./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e21c738f45b1a3d63c5b3dc7b524b0d900e7fe49b8a44619e9174a85389f0e7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:29:07,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:07,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:07,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:07,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:07,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:07,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:07,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:07,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:07,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:07,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:07,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:07,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:07,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:07,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:07,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:07,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:07,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:07,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:07,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:07,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:07,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:07,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:07,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:07,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:07,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:07,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:07,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:07,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:07,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:07,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:07,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:07,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:07,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:07,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:07,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:07,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:07,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:07,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:07,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:07,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:07,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:29:07,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:07,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:07,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:07,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:07,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:07,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:07,786 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:07,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:07,787 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:07,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:07,788 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:07,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:07,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:07,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:07,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:07,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:07,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:07,789 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:07,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:07,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:07,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:07,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:07,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:07,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:07,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:07,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:07,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:07,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:07,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:07,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:07,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:07,793 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:07,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:07,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:07,794 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:07,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:07,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:07,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:07,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e21c738f45b1a3d63c5b3dc7b524b0d900e7fe49b8a44619e9174a85389f0e7f [2022-11-03 03:29:08,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:08,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:08,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:08,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:08,105 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:08,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:29:08,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/5b68ef25d/6cf9294a6d25425da1c9a06a8f39ea4d/FLAG21e65c48d [2022-11-03 03:29:08,730 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:08,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:29:08,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/5b68ef25d/6cf9294a6d25425da1c9a06a8f39ea4d/FLAG21e65c48d [2022-11-03 03:29:09,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/5b68ef25d/6cf9294a6d25425da1c9a06a8f39ea4d [2022-11-03 03:29:09,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:09,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:09,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:09,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:09,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:09,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:09" (1/1) ... [2022-11-03 03:29:09,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5786cdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:09, skipping insertion in model container [2022-11-03 03:29:09,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:09" (1/1) ... [2022-11-03 03:29:09,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:09,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:09,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c[1116,1129] [2022-11-03 03:29:09,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:09,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:09,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c[1116,1129] [2022-11-03 03:29:10,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:10,023 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:10,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10 WrapperNode [2022-11-03 03:29:10,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:10,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:10,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:10,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:10,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,259 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 03:29:10,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:10,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:10,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:10,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:10,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:10,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:10,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:10,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:10,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (1/1) ... [2022-11-03 03:29:10,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:10,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:10,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:10,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:29:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:29:10,994 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:10,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:13,800 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:17,055 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:17,055 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:29:17,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:17 BoogieIcfgContainer [2022-11-03 03:29:17,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:17,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:17,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:17,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:17,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:09" (1/3) ... [2022-11-03 03:29:17,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408eec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:17, skipping insertion in model container [2022-11-03 03:29:17,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:10" (2/3) ... [2022-11-03 03:29:17,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408eec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:17, skipping insertion in model container [2022-11-03 03:29:17,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:17" (3/3) ... [2022-11-03 03:29:17,067 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:29:17,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:17,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:29:17,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:17,144 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45fa08db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:17,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:29:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:29:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:29:17,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:17,156 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:17,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:17,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:17,162 INFO L85 PathProgramCache]: Analyzing trace with hash -145835133, now seen corresponding path program 1 times [2022-11-03 03:29:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:17,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527412724] [2022-11-03 03:29:17,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:17,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:29:27,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:27,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527412724] [2022-11-03 03:29:27,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527412724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:27,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:27,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:27,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287562196] [2022-11-03 03:29:27,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:27,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:27,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:27,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:27,374 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:29:28,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:30,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:32,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:33,022 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-03 03:29:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:29:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-03 03:29:33,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:33,043 INFO L225 Difference]: With dead ends: 37 [2022-11-03 03:29:33,043 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 03:29:33,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:33,048 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:33,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 03:29:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 03:29:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-03 03:29:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:29:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 03:29:33,092 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2022-11-03 03:29:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:33,094 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 03:29:33,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:29:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 03:29:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-03 03:29:33,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:33,097 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 03:29:33,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:33,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:33,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:33,098 INFO L85 PathProgramCache]: Analyzing trace with hash 224043513, now seen corresponding path program 1 times [2022-11-03 03:29:33,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:33,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328694111] [2022-11-03 03:29:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:31:55,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:34:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:34:02,478 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:34:02,479 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:34:02,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:34:02,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:34:02,490 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:34:02,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:34:02,698 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:34:02,699 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:34:02,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:34:02 BoogieIcfgContainer [2022-11-03 03:34:02,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:34:02,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:34:02,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:34:02,770 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:34:02,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:17" (3/4) ... [2022-11-03 03:34:02,774 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:34:02,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:34:02,776 INFO L158 Benchmark]: Toolchain (without parser) took 293610.23ms. Allocated memory was 111.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 68.6MB in the beginning and 1.0GB in the end (delta: -968.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-03 03:34:02,777 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:34:02,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.93ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 47.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 03:34:02,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.71ms. Allocated memory is still 111.1MB. Free memory was 47.7MB in the beginning and 63.5MB in the end (delta: -15.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-03 03:34:02,778 INFO L158 Benchmark]: Boogie Preprocessor took 159.04ms. Allocated memory is still 111.1MB. Free memory was 62.8MB in the beginning and 50.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:34:02,779 INFO L158 Benchmark]: RCFGBuilder took 6638.35ms. Allocated memory was 111.1MB in the beginning and 545.3MB in the end (delta: 434.1MB). Free memory was 50.9MB in the beginning and 220.8MB in the end (delta: -169.9MB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. [2022-11-03 03:34:02,779 INFO L158 Benchmark]: TraceAbstraction took 285708.85ms. Allocated memory was 545.3MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 219.7MB in the beginning and 1.0GB in the end (delta: -817.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-03 03:34:02,780 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 2.3GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:34:02,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.93ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 47.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.71ms. Allocated memory is still 111.1MB. Free memory was 47.7MB in the beginning and 63.5MB in the end (delta: -15.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.04ms. Allocated memory is still 111.1MB. Free memory was 62.8MB in the beginning and 50.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6638.35ms. Allocated memory was 111.1MB in the beginning and 545.3MB in the end (delta: 434.1MB). Free memory was 50.9MB in the beginning and 220.8MB in the end (delta: -169.9MB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. * TraceAbstraction took 285708.85ms. Allocated memory was 545.3MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 219.7MB in the beginning and 1.0GB in the end (delta: -817.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 2.3GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 583, overapproximation of bitwiseComplement at line 208, overapproximation of bitwiseAnd at line 211. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 7); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (7 - 1); [L34] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 6); [L35] const SORT_13 msb_SORT_13 = (SORT_13)1 << (6 - 1); [L37] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 5); [L38] const SORT_19 msb_SORT_19 = (SORT_19)1 << (5 - 1); [L40] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 4); [L41] const SORT_100 msb_SORT_100 = (SORT_100)1 << (4 - 1); [L43] const SORT_141 mask_SORT_141 = (SORT_141)-1 >> (sizeof(SORT_141) * 8 - 3); [L44] const SORT_141 msb_SORT_141 = (SORT_141)1 << (3 - 1); [L46] const SORT_162 mask_SORT_162 = (SORT_162)-1 >> (sizeof(SORT_162) * 8 - 2); [L47] const SORT_162 msb_SORT_162 = (SORT_162)1 << (2 - 1); [L49] const SORT_13 var_15 = 32; [L50] const SORT_19 var_20 = 31; [L51] const SORT_19 var_25 = 30; [L52] const SORT_19 var_30 = 29; [L53] const SORT_19 var_35 = 28; [L54] const SORT_19 var_40 = 27; [L55] const SORT_19 var_45 = 26; [L56] const SORT_19 var_50 = 25; [L57] const SORT_19 var_55 = 24; [L58] const SORT_19 var_60 = 23; [L59] const SORT_19 var_65 = 22; [L60] const SORT_19 var_70 = 21; [L61] const SORT_19 var_75 = 20; [L62] const SORT_19 var_80 = 19; [L63] const SORT_19 var_85 = 18; [L64] const SORT_19 var_90 = 17; [L65] const SORT_19 var_95 = 16; [L66] const SORT_100 var_101 = 15; [L67] const SORT_100 var_106 = 14; [L68] const SORT_100 var_111 = 13; [L69] const SORT_100 var_116 = 12; [L70] const SORT_100 var_121 = 11; [L71] const SORT_100 var_126 = 10; [L72] const SORT_100 var_131 = 9; [L73] const SORT_100 var_136 = 8; [L74] const SORT_141 var_142 = 7; [L75] const SORT_141 var_147 = 6; [L76] const SORT_141 var_152 = 5; [L77] const SORT_141 var_157 = 4; [L78] const SORT_162 var_163 = 3; [L79] const SORT_162 var_168 = 2; [L80] const SORT_1 var_173 = 1; [L81] const SORT_13 var_186 = 33; [L82] const SORT_11 var_203 = 0; [L83] const SORT_1 var_233 = 0; [L84] const SORT_3 var_582 = 0; [L86] SORT_1 input_2; [L87] SORT_3 input_4; [L88] SORT_1 input_5; [L89] SORT_1 input_6; [L90] SORT_1 input_7; [L91] SORT_1 input_8; [L92] SORT_3 input_9; [L93] SORT_1 input_231; [L95] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L96] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L97] SORT_3 state_18 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L98] SORT_3 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L99] SORT_3 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L100] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L101] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L102] SORT_3 state_44 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L103] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L104] SORT_3 state_54 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L105] SORT_3 state_59 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L106] SORT_3 state_64 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L107] SORT_3 state_69 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L108] SORT_3 state_74 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L109] SORT_3 state_79 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L110] SORT_3 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L111] SORT_3 state_89 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L112] SORT_3 state_94 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L113] SORT_3 state_99 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L114] SORT_3 state_105 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L115] SORT_3 state_110 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L116] SORT_3 state_115 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L117] SORT_3 state_120 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L118] SORT_3 state_125 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] SORT_3 state_130 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L120] SORT_3 state_135 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] SORT_3 state_140 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] SORT_3 state_146 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] SORT_3 state_151 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L124] SORT_3 state_156 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] SORT_3 state_161 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L126] SORT_3 state_167 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L127] SORT_3 state_172 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] SORT_3 state_177 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] SORT_11 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L130] SORT_1 state_190 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_11 state_194 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L133] SORT_3 state_209 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L134] SORT_1 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_11 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L137] SORT_1 init_214_arg_1 = var_173; [L138] state_213 = init_214_arg_1 VAL [init_214_arg_1=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_ushort() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_ushort() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=59, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=59, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=59, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=0, state_167=65533, state_172=0, state_177=65532, state_18=1, state_182=255, state_190=0, state_191=1, state_194=0, state_209=69, state_213=1, state_24=118, state_282=255, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=65525, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=59, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L595] RET __VERIFIER_assert(!(bad_237_arg_0)) [L597] SORT_11 var_283_arg_0 = state_282; [L598] SORT_13 var_283 = var_283_arg_0 >> 0; [L599] var_283 = var_283 & mask_SORT_13 [L600] SORT_13 var_459_arg_0 = var_283; [L601] SORT_13 var_459_arg_1 = var_15; [L602] SORT_1 var_459 = var_459_arg_0 == var_459_arg_1; [L603] SORT_1 var_460_arg_0 = input_6; [L604] SORT_1 var_460_arg_1 = var_459; [L605] SORT_1 var_460 = var_460_arg_0 & var_460_arg_1; [L606] var_460 = var_460 & mask_SORT_1 [L607] SORT_1 var_581_arg_0 = var_460; [L608] SORT_3 var_581_arg_1 = input_4; [L609] SORT_3 var_581_arg_2 = state_10; [L610] EXPR var_581_arg_0 ? var_581_arg_1 : var_581_arg_2 [L610] SORT_3 var_581 = var_581_arg_0 ? var_581_arg_1 : var_581_arg_2; [L611] SORT_1 var_583_arg_0 = input_7; [L612] SORT_3 var_583_arg_1 = var_582; [L613] SORT_3 var_583_arg_2 = var_581; [L614] EXPR var_583_arg_0 ? var_583_arg_1 : var_583_arg_2 [L614] SORT_3 var_583 = var_583_arg_0 ? var_583_arg_1 : var_583_arg_2; [L615] SORT_3 next_584_arg_1 = var_583; [L616] SORT_1 var_241_arg_0 = input_6; [L617] SORT_1 var_241_arg_1 = input_5; [L618] SORT_1 var_241 = var_241_arg_0 | var_241_arg_1; [L619] SORT_1 var_242_arg_0 = var_241; [L620] SORT_1 var_242_arg_1 = input_7; [L621] SORT_1 var_242 = var_242_arg_0 | var_242_arg_1; [L622] var_242 = var_242 & mask_SORT_1 [L623] SORT_1 var_512_arg_0 = input_5; [L624] var_512_arg_0 = var_512_arg_0 & mask_SORT_1 [L625] SORT_11 var_512 = var_512_arg_0; [L626] SORT_11 var_513_arg_0 = state_12; [L627] SORT_11 var_513_arg_1 = var_512; [L628] SORT_11 var_513 = var_513_arg_0 + var_513_arg_1; [L629] SORT_1 var_585_arg_0 = var_242; [L630] SORT_11 var_585_arg_1 = var_513; [L631] SORT_11 var_585_arg_2 = state_12; [L632] EXPR var_585_arg_0 ? var_585_arg_1 : var_585_arg_2 [L632] SORT_11 var_585 = var_585_arg_0 ? var_585_arg_1 : var_585_arg_2; [L633] SORT_1 var_586_arg_0 = input_7; [L634] SORT_11 var_586_arg_1 = var_203; [L635] SORT_11 var_586_arg_2 = var_585; [L636] EXPR var_586_arg_0 ? var_586_arg_1 : var_586_arg_2 [L636] SORT_11 var_586 = var_586_arg_0 ? var_586_arg_1 : var_586_arg_2; [L637] SORT_11 next_587_arg_1 = var_586; [L638] SORT_19 var_452_arg_0 = var_20; [L639] var_452_arg_0 = var_452_arg_0 & mask_SORT_19 [L640] SORT_13 var_452 = var_452_arg_0; [L641] SORT_13 var_453_arg_0 = var_283; [L642] SORT_13 var_453_arg_1 = var_452; [L643] SORT_1 var_453 = var_453_arg_0 == var_453_arg_1; [L644] SORT_1 var_454_arg_0 = input_6; [L645] SORT_1 var_454_arg_1 = var_453; [L646] SORT_1 var_454 = var_454_arg_0 & var_454_arg_1; [L647] var_454 = var_454 & mask_SORT_1 [L648] SORT_1 var_588_arg_0 = var_454; [L649] SORT_3 var_588_arg_1 = input_4; [L650] SORT_3 var_588_arg_2 = state_18; [L651] EXPR var_588_arg_0 ? var_588_arg_1 : var_588_arg_2 [L651] SORT_3 var_588 = var_588_arg_0 ? var_588_arg_1 : var_588_arg_2; [L652] SORT_1 var_589_arg_0 = input_7; [L653] SORT_3 var_589_arg_1 = var_582; [L654] SORT_3 var_589_arg_2 = var_588; [L655] EXPR var_589_arg_0 ? var_589_arg_1 : var_589_arg_2 [L655] SORT_3 var_589 = var_589_arg_0 ? var_589_arg_1 : var_589_arg_2; [L656] SORT_3 next_590_arg_1 = var_589; [L657] SORT_19 var_445_arg_0 = var_25; [L658] var_445_arg_0 = var_445_arg_0 & mask_SORT_19 [L659] SORT_13 var_445 = var_445_arg_0; [L660] SORT_13 var_446_arg_0 = var_283; [L661] SORT_13 var_446_arg_1 = var_445; [L662] SORT_1 var_446 = var_446_arg_0 == var_446_arg_1; [L663] SORT_1 var_447_arg_0 = input_6; [L664] SORT_1 var_447_arg_1 = var_446; [L665] SORT_1 var_447 = var_447_arg_0 & var_447_arg_1; [L666] var_447 = var_447 & mask_SORT_1 [L667] SORT_1 var_591_arg_0 = var_447; [L668] SORT_3 var_591_arg_1 = input_4; [L669] SORT_3 var_591_arg_2 = state_24; [L670] EXPR var_591_arg_0 ? var_591_arg_1 : var_591_arg_2 [L670] SORT_3 var_591 = var_591_arg_0 ? var_591_arg_1 : var_591_arg_2; [L671] SORT_1 var_592_arg_0 = input_7; [L672] SORT_3 var_592_arg_1 = var_582; [L673] SORT_3 var_592_arg_2 = var_591; [L674] EXPR var_592_arg_0 ? var_592_arg_1 : var_592_arg_2 [L674] SORT_3 var_592 = var_592_arg_0 ? var_592_arg_1 : var_592_arg_2; [L675] SORT_3 next_593_arg_1 = var_592; [L676] SORT_19 var_431_arg_0 = var_30; [L677] var_431_arg_0 = var_431_arg_0 & mask_SORT_19 [L678] SORT_13 var_431 = var_431_arg_0; [L679] SORT_13 var_432_arg_0 = var_283; [L680] SORT_13 var_432_arg_1 = var_431; [L681] SORT_1 var_432 = var_432_arg_0 == var_432_arg_1; [L682] SORT_1 var_433_arg_0 = input_6; [L683] SORT_1 var_433_arg_1 = var_432; [L684] SORT_1 var_433 = var_433_arg_0 & var_433_arg_1; [L685] var_433 = var_433 & mask_SORT_1 [L686] SORT_1 var_594_arg_0 = var_433; [L687] SORT_3 var_594_arg_1 = input_4; [L688] SORT_3 var_594_arg_2 = state_29; [L689] EXPR var_594_arg_0 ? var_594_arg_1 : var_594_arg_2 [L689] SORT_3 var_594 = var_594_arg_0 ? var_594_arg_1 : var_594_arg_2; [L690] SORT_1 var_595_arg_0 = input_7; [L691] SORT_3 var_595_arg_1 = var_582; [L692] SORT_3 var_595_arg_2 = var_594; [L693] EXPR var_595_arg_0 ? var_595_arg_1 : var_595_arg_2 [L693] SORT_3 var_595 = var_595_arg_0 ? var_595_arg_1 : var_595_arg_2; [L694] SORT_3 next_596_arg_1 = var_595; [L695] SORT_19 var_424_arg_0 = var_35; [L696] var_424_arg_0 = var_424_arg_0 & mask_SORT_19 [L697] SORT_13 var_424 = var_424_arg_0; [L698] SORT_13 var_425_arg_0 = var_283; [L699] SORT_13 var_425_arg_1 = var_424; [L700] SORT_1 var_425 = var_425_arg_0 == var_425_arg_1; [L701] SORT_1 var_426_arg_0 = input_6; [L702] SORT_1 var_426_arg_1 = var_425; [L703] SORT_1 var_426 = var_426_arg_0 & var_426_arg_1; [L704] var_426 = var_426 & mask_SORT_1 [L705] SORT_1 var_597_arg_0 = var_426; [L706] SORT_3 var_597_arg_1 = input_4; [L707] SORT_3 var_597_arg_2 = state_34; [L708] EXPR var_597_arg_0 ? var_597_arg_1 : var_597_arg_2 [L708] SORT_3 var_597 = var_597_arg_0 ? var_597_arg_1 : var_597_arg_2; [L709] SORT_1 var_598_arg_0 = input_7; [L710] SORT_3 var_598_arg_1 = var_582; [L711] SORT_3 var_598_arg_2 = var_597; [L712] EXPR var_598_arg_0 ? var_598_arg_1 : var_598_arg_2 [L712] SORT_3 var_598 = var_598_arg_0 ? var_598_arg_1 : var_598_arg_2; [L713] SORT_3 next_599_arg_1 = var_598; [L714] SORT_19 var_417_arg_0 = var_40; [L715] var_417_arg_0 = var_417_arg_0 & mask_SORT_19 [L716] SORT_13 var_417 = var_417_arg_0; [L717] SORT_13 var_418_arg_0 = var_283; [L718] SORT_13 var_418_arg_1 = var_417; [L719] SORT_1 var_418 = var_418_arg_0 == var_418_arg_1; [L720] SORT_1 var_419_arg_0 = input_6; [L721] SORT_1 var_419_arg_1 = var_418; [L722] SORT_1 var_419 = var_419_arg_0 & var_419_arg_1; [L723] var_419 = var_419 & mask_SORT_1 [L724] SORT_1 var_600_arg_0 = var_419; [L725] SORT_3 var_600_arg_1 = input_4; [L726] SORT_3 var_600_arg_2 = state_39; [L727] EXPR var_600_arg_0 ? var_600_arg_1 : var_600_arg_2 [L727] SORT_3 var_600 = var_600_arg_0 ? var_600_arg_1 : var_600_arg_2; [L728] SORT_1 var_601_arg_0 = input_7; [L729] SORT_3 var_601_arg_1 = var_582; [L730] SORT_3 var_601_arg_2 = var_600; [L731] EXPR var_601_arg_0 ? var_601_arg_1 : var_601_arg_2 [L731] SORT_3 var_601 = var_601_arg_0 ? var_601_arg_1 : var_601_arg_2; [L732] SORT_3 next_602_arg_1 = var_601; [L733] SORT_19 var_410_arg_0 = var_45; [L734] var_410_arg_0 = var_410_arg_0 & mask_SORT_19 [L735] SORT_13 var_410 = var_410_arg_0; [L736] SORT_13 var_411_arg_0 = var_283; [L737] SORT_13 var_411_arg_1 = var_410; [L738] SORT_1 var_411 = var_411_arg_0 == var_411_arg_1; [L739] SORT_1 var_412_arg_0 = input_6; [L740] SORT_1 var_412_arg_1 = var_411; [L741] SORT_1 var_412 = var_412_arg_0 & var_412_arg_1; [L742] var_412 = var_412 & mask_SORT_1 [L743] SORT_1 var_603_arg_0 = var_412; [L744] SORT_3 var_603_arg_1 = input_4; [L745] SORT_3 var_603_arg_2 = state_44; [L746] EXPR var_603_arg_0 ? var_603_arg_1 : var_603_arg_2 [L746] SORT_3 var_603 = var_603_arg_0 ? var_603_arg_1 : var_603_arg_2; [L747] SORT_1 var_604_arg_0 = input_7; [L748] SORT_3 var_604_arg_1 = var_582; [L749] SORT_3 var_604_arg_2 = var_603; [L750] EXPR var_604_arg_0 ? var_604_arg_1 : var_604_arg_2 [L750] SORT_3 var_604 = var_604_arg_0 ? var_604_arg_1 : var_604_arg_2; [L751] SORT_3 next_605_arg_1 = var_604; [L752] SORT_19 var_403_arg_0 = var_50; [L753] var_403_arg_0 = var_403_arg_0 & mask_SORT_19 [L754] SORT_13 var_403 = var_403_arg_0; [L755] SORT_13 var_404_arg_0 = var_283; [L756] SORT_13 var_404_arg_1 = var_403; [L757] SORT_1 var_404 = var_404_arg_0 == var_404_arg_1; [L758] SORT_1 var_405_arg_0 = input_6; [L759] SORT_1 var_405_arg_1 = var_404; [L760] SORT_1 var_405 = var_405_arg_0 & var_405_arg_1; [L761] var_405 = var_405 & mask_SORT_1 [L762] SORT_1 var_606_arg_0 = var_405; [L763] SORT_3 var_606_arg_1 = input_4; [L764] SORT_3 var_606_arg_2 = state_49; [L765] EXPR var_606_arg_0 ? var_606_arg_1 : var_606_arg_2 [L765] SORT_3 var_606 = var_606_arg_0 ? var_606_arg_1 : var_606_arg_2; [L766] SORT_1 var_607_arg_0 = input_7; [L767] SORT_3 var_607_arg_1 = var_582; [L768] SORT_3 var_607_arg_2 = var_606; [L769] EXPR var_607_arg_0 ? var_607_arg_1 : var_607_arg_2 [L769] SORT_3 var_607 = var_607_arg_0 ? var_607_arg_1 : var_607_arg_2; [L770] SORT_3 next_608_arg_1 = var_607; [L771] SORT_19 var_396_arg_0 = var_55; [L772] var_396_arg_0 = var_396_arg_0 & mask_SORT_19 [L773] SORT_13 var_396 = var_396_arg_0; [L774] SORT_13 var_397_arg_0 = var_283; [L775] SORT_13 var_397_arg_1 = var_396; [L776] SORT_1 var_397 = var_397_arg_0 == var_397_arg_1; [L777] SORT_1 var_398_arg_0 = input_6; [L778] SORT_1 var_398_arg_1 = var_397; [L779] SORT_1 var_398 = var_398_arg_0 & var_398_arg_1; [L780] var_398 = var_398 & mask_SORT_1 [L781] SORT_1 var_609_arg_0 = var_398; [L782] SORT_3 var_609_arg_1 = input_4; [L783] SORT_3 var_609_arg_2 = state_54; [L784] EXPR var_609_arg_0 ? var_609_arg_1 : var_609_arg_2 [L784] SORT_3 var_609 = var_609_arg_0 ? var_609_arg_1 : var_609_arg_2; [L785] SORT_1 var_610_arg_0 = input_7; [L786] SORT_3 var_610_arg_1 = var_582; [L787] SORT_3 var_610_arg_2 = var_609; [L788] EXPR var_610_arg_0 ? var_610_arg_1 : var_610_arg_2 [L788] SORT_3 var_610 = var_610_arg_0 ? var_610_arg_1 : var_610_arg_2; [L789] SORT_3 next_611_arg_1 = var_610; [L790] SORT_19 var_389_arg_0 = var_60; [L791] var_389_arg_0 = var_389_arg_0 & mask_SORT_19 [L792] SORT_13 var_389 = var_389_arg_0; [L793] SORT_13 var_390_arg_0 = var_283; [L794] SORT_13 var_390_arg_1 = var_389; [L795] SORT_1 var_390 = var_390_arg_0 == var_390_arg_1; [L796] SORT_1 var_391_arg_0 = input_6; [L797] SORT_1 var_391_arg_1 = var_390; [L798] SORT_1 var_391 = var_391_arg_0 & var_391_arg_1; [L799] var_391 = var_391 & mask_SORT_1 [L800] SORT_1 var_612_arg_0 = var_391; [L801] SORT_3 var_612_arg_1 = input_4; [L802] SORT_3 var_612_arg_2 = state_59; [L803] EXPR var_612_arg_0 ? var_612_arg_1 : var_612_arg_2 [L803] SORT_3 var_612 = var_612_arg_0 ? var_612_arg_1 : var_612_arg_2; [L804] SORT_1 var_613_arg_0 = input_7; [L805] SORT_3 var_613_arg_1 = var_582; [L806] SORT_3 var_613_arg_2 = var_612; [L807] EXPR var_613_arg_0 ? var_613_arg_1 : var_613_arg_2 [L807] SORT_3 var_613 = var_613_arg_0 ? var_613_arg_1 : var_613_arg_2; [L808] SORT_3 next_614_arg_1 = var_613; [L809] SORT_19 var_382_arg_0 = var_65; [L810] var_382_arg_0 = var_382_arg_0 & mask_SORT_19 [L811] SORT_13 var_382 = var_382_arg_0; [L812] SORT_13 var_383_arg_0 = var_283; [L813] SORT_13 var_383_arg_1 = var_382; [L814] SORT_1 var_383 = var_383_arg_0 == var_383_arg_1; [L815] SORT_1 var_384_arg_0 = input_6; [L816] SORT_1 var_384_arg_1 = var_383; [L817] SORT_1 var_384 = var_384_arg_0 & var_384_arg_1; [L818] var_384 = var_384 & mask_SORT_1 [L819] SORT_1 var_615_arg_0 = var_384; [L820] SORT_3 var_615_arg_1 = input_4; [L821] SORT_3 var_615_arg_2 = state_64; [L822] EXPR var_615_arg_0 ? var_615_arg_1 : var_615_arg_2 [L822] SORT_3 var_615 = var_615_arg_0 ? var_615_arg_1 : var_615_arg_2; [L823] SORT_1 var_616_arg_0 = input_7; [L824] SORT_3 var_616_arg_1 = var_582; [L825] SORT_3 var_616_arg_2 = var_615; [L826] EXPR var_616_arg_0 ? var_616_arg_1 : var_616_arg_2 [L826] SORT_3 var_616 = var_616_arg_0 ? var_616_arg_1 : var_616_arg_2; [L827] SORT_3 next_617_arg_1 = var_616; [L828] SORT_19 var_375_arg_0 = var_70; [L829] var_375_arg_0 = var_375_arg_0 & mask_SORT_19 [L830] SORT_13 var_375 = var_375_arg_0; [L831] SORT_13 var_376_arg_0 = var_283; [L832] SORT_13 var_376_arg_1 = var_375; [L833] SORT_1 var_376 = var_376_arg_0 == var_376_arg_1; [L834] SORT_1 var_377_arg_0 = input_6; [L835] SORT_1 var_377_arg_1 = var_376; [L836] SORT_1 var_377 = var_377_arg_0 & var_377_arg_1; [L837] var_377 = var_377 & mask_SORT_1 [L838] SORT_1 var_618_arg_0 = var_377; [L839] SORT_3 var_618_arg_1 = input_4; [L840] SORT_3 var_618_arg_2 = state_69; [L841] EXPR var_618_arg_0 ? var_618_arg_1 : var_618_arg_2 [L841] SORT_3 var_618 = var_618_arg_0 ? var_618_arg_1 : var_618_arg_2; [L842] SORT_1 var_619_arg_0 = input_7; [L843] SORT_3 var_619_arg_1 = var_582; [L844] SORT_3 var_619_arg_2 = var_618; [L845] EXPR var_619_arg_0 ? var_619_arg_1 : var_619_arg_2 [L845] SORT_3 var_619 = var_619_arg_0 ? var_619_arg_1 : var_619_arg_2; [L846] SORT_3 next_620_arg_1 = var_619; [L847] SORT_19 var_368_arg_0 = var_75; [L848] var_368_arg_0 = var_368_arg_0 & mask_SORT_19 [L849] SORT_13 var_368 = var_368_arg_0; [L850] SORT_13 var_369_arg_0 = var_283; [L851] SORT_13 var_369_arg_1 = var_368; [L852] SORT_1 var_369 = var_369_arg_0 == var_369_arg_1; [L853] SORT_1 var_370_arg_0 = input_6; [L854] SORT_1 var_370_arg_1 = var_369; [L855] SORT_1 var_370 = var_370_arg_0 & var_370_arg_1; [L856] var_370 = var_370 & mask_SORT_1 [L857] SORT_1 var_621_arg_0 = var_370; [L858] SORT_3 var_621_arg_1 = input_4; [L859] SORT_3 var_621_arg_2 = state_74; [L860] EXPR var_621_arg_0 ? var_621_arg_1 : var_621_arg_2 [L860] SORT_3 var_621 = var_621_arg_0 ? var_621_arg_1 : var_621_arg_2; [L861] SORT_1 var_622_arg_0 = input_7; [L862] SORT_3 var_622_arg_1 = var_582; [L863] SORT_3 var_622_arg_2 = var_621; [L864] EXPR var_622_arg_0 ? var_622_arg_1 : var_622_arg_2 [L864] SORT_3 var_622 = var_622_arg_0 ? var_622_arg_1 : var_622_arg_2; [L865] SORT_3 next_623_arg_1 = var_622; [L866] SORT_19 var_354_arg_0 = var_80; [L867] var_354_arg_0 = var_354_arg_0 & mask_SORT_19 [L868] SORT_13 var_354 = var_354_arg_0; [L869] SORT_13 var_355_arg_0 = var_283; [L870] SORT_13 var_355_arg_1 = var_354; [L871] SORT_1 var_355 = var_355_arg_0 == var_355_arg_1; [L872] SORT_1 var_356_arg_0 = input_6; [L873] SORT_1 var_356_arg_1 = var_355; [L874] SORT_1 var_356 = var_356_arg_0 & var_356_arg_1; [L875] var_356 = var_356 & mask_SORT_1 [L876] SORT_1 var_624_arg_0 = var_356; [L877] SORT_3 var_624_arg_1 = input_4; [L878] SORT_3 var_624_arg_2 = state_79; [L879] EXPR var_624_arg_0 ? var_624_arg_1 : var_624_arg_2 [L879] SORT_3 var_624 = var_624_arg_0 ? var_624_arg_1 : var_624_arg_2; [L880] SORT_1 var_625_arg_0 = input_7; [L881] SORT_3 var_625_arg_1 = var_582; [L882] SORT_3 var_625_arg_2 = var_624; [L883] EXPR var_625_arg_0 ? var_625_arg_1 : var_625_arg_2 [L883] SORT_3 var_625 = var_625_arg_0 ? var_625_arg_1 : var_625_arg_2; [L884] SORT_3 next_626_arg_1 = var_625; [L885] SORT_19 var_347_arg_0 = var_85; [L886] var_347_arg_0 = var_347_arg_0 & mask_SORT_19 [L887] SORT_13 var_347 = var_347_arg_0; [L888] SORT_13 var_348_arg_0 = var_283; [L889] SORT_13 var_348_arg_1 = var_347; [L890] SORT_1 var_348 = var_348_arg_0 == var_348_arg_1; [L891] SORT_1 var_349_arg_0 = input_6; [L892] SORT_1 var_349_arg_1 = var_348; [L893] SORT_1 var_349 = var_349_arg_0 & var_349_arg_1; [L894] var_349 = var_349 & mask_SORT_1 [L895] SORT_1 var_627_arg_0 = var_349; [L896] SORT_3 var_627_arg_1 = input_4; [L897] SORT_3 var_627_arg_2 = state_84; [L898] EXPR var_627_arg_0 ? var_627_arg_1 : var_627_arg_2 [L898] SORT_3 var_627 = var_627_arg_0 ? var_627_arg_1 : var_627_arg_2; [L899] SORT_1 var_628_arg_0 = input_7; [L900] SORT_3 var_628_arg_1 = var_582; [L901] SORT_3 var_628_arg_2 = var_627; [L902] EXPR var_628_arg_0 ? var_628_arg_1 : var_628_arg_2 [L902] SORT_3 var_628 = var_628_arg_0 ? var_628_arg_1 : var_628_arg_2; [L903] SORT_3 next_629_arg_1 = var_628; [L904] SORT_19 var_340_arg_0 = var_90; [L905] var_340_arg_0 = var_340_arg_0 & mask_SORT_19 [L906] SORT_13 var_340 = var_340_arg_0; [L907] SORT_13 var_341_arg_0 = var_283; [L908] SORT_13 var_341_arg_1 = var_340; [L909] SORT_1 var_341 = var_341_arg_0 == var_341_arg_1; [L910] SORT_1 var_342_arg_0 = input_6; [L911] SORT_1 var_342_arg_1 = var_341; [L912] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L913] var_342 = var_342 & mask_SORT_1 [L914] SORT_1 var_630_arg_0 = var_342; [L915] SORT_3 var_630_arg_1 = input_4; [L916] SORT_3 var_630_arg_2 = state_89; [L917] EXPR var_630_arg_0 ? var_630_arg_1 : var_630_arg_2 [L917] SORT_3 var_630 = var_630_arg_0 ? var_630_arg_1 : var_630_arg_2; [L918] SORT_1 var_631_arg_0 = input_7; [L919] SORT_3 var_631_arg_1 = var_582; [L920] SORT_3 var_631_arg_2 = var_630; [L921] EXPR var_631_arg_0 ? var_631_arg_1 : var_631_arg_2 [L921] SORT_3 var_631 = var_631_arg_0 ? var_631_arg_1 : var_631_arg_2; [L922] SORT_3 next_632_arg_1 = var_631; [L923] SORT_19 var_333_arg_0 = var_95; [L924] var_333_arg_0 = var_333_arg_0 & mask_SORT_19 [L925] SORT_13 var_333 = var_333_arg_0; [L926] SORT_13 var_334_arg_0 = var_283; [L927] SORT_13 var_334_arg_1 = var_333; [L928] SORT_1 var_334 = var_334_arg_0 == var_334_arg_1; [L929] SORT_1 var_335_arg_0 = input_6; [L930] SORT_1 var_335_arg_1 = var_334; [L931] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L932] var_335 = var_335 & mask_SORT_1 [L933] SORT_1 var_633_arg_0 = var_335; [L934] SORT_3 var_633_arg_1 = input_4; [L935] SORT_3 var_633_arg_2 = state_94; [L936] EXPR var_633_arg_0 ? var_633_arg_1 : var_633_arg_2 [L936] SORT_3 var_633 = var_633_arg_0 ? var_633_arg_1 : var_633_arg_2; [L937] SORT_1 var_634_arg_0 = input_7; [L938] SORT_3 var_634_arg_1 = var_582; [L939] SORT_3 var_634_arg_2 = var_633; [L940] EXPR var_634_arg_0 ? var_634_arg_1 : var_634_arg_2 [L940] SORT_3 var_634 = var_634_arg_0 ? var_634_arg_1 : var_634_arg_2; [L941] SORT_3 next_635_arg_1 = var_634; [L942] SORT_100 var_326_arg_0 = var_101; [L943] var_326_arg_0 = var_326_arg_0 & mask_SORT_100 [L944] SORT_13 var_326 = var_326_arg_0; [L945] SORT_13 var_327_arg_0 = var_283; [L946] SORT_13 var_327_arg_1 = var_326; [L947] SORT_1 var_327 = var_327_arg_0 == var_327_arg_1; [L948] SORT_1 var_328_arg_0 = input_6; [L949] SORT_1 var_328_arg_1 = var_327; [L950] SORT_1 var_328 = var_328_arg_0 & var_328_arg_1; [L951] var_328 = var_328 & mask_SORT_1 [L952] SORT_1 var_636_arg_0 = var_328; [L953] SORT_3 var_636_arg_1 = input_4; [L954] SORT_3 var_636_arg_2 = state_99; [L955] EXPR var_636_arg_0 ? var_636_arg_1 : var_636_arg_2 [L955] SORT_3 var_636 = var_636_arg_0 ? var_636_arg_1 : var_636_arg_2; [L956] SORT_1 var_637_arg_0 = input_7; [L957] SORT_3 var_637_arg_1 = var_582; [L958] SORT_3 var_637_arg_2 = var_636; [L959] EXPR var_637_arg_0 ? var_637_arg_1 : var_637_arg_2 [L959] SORT_3 var_637 = var_637_arg_0 ? var_637_arg_1 : var_637_arg_2; [L960] SORT_3 next_638_arg_1 = var_637; [L961] SORT_100 var_319_arg_0 = var_106; [L962] var_319_arg_0 = var_319_arg_0 & mask_SORT_100 [L963] SORT_13 var_319 = var_319_arg_0; [L964] SORT_13 var_320_arg_0 = var_283; [L965] SORT_13 var_320_arg_1 = var_319; [L966] SORT_1 var_320 = var_320_arg_0 == var_320_arg_1; [L967] SORT_1 var_321_arg_0 = input_6; [L968] SORT_1 var_321_arg_1 = var_320; [L969] SORT_1 var_321 = var_321_arg_0 & var_321_arg_1; [L970] var_321 = var_321 & mask_SORT_1 [L971] SORT_1 var_639_arg_0 = var_321; [L972] SORT_3 var_639_arg_1 = input_4; [L973] SORT_3 var_639_arg_2 = state_105; [L974] EXPR var_639_arg_0 ? var_639_arg_1 : var_639_arg_2 [L974] SORT_3 var_639 = var_639_arg_0 ? var_639_arg_1 : var_639_arg_2; [L975] SORT_1 var_640_arg_0 = input_7; [L976] SORT_3 var_640_arg_1 = var_582; [L977] SORT_3 var_640_arg_2 = var_639; [L978] EXPR var_640_arg_0 ? var_640_arg_1 : var_640_arg_2 [L978] SORT_3 var_640 = var_640_arg_0 ? var_640_arg_1 : var_640_arg_2; [L979] SORT_3 next_641_arg_1 = var_640; [L980] SORT_100 var_312_arg_0 = var_111; [L981] var_312_arg_0 = var_312_arg_0 & mask_SORT_100 [L982] SORT_13 var_312 = var_312_arg_0; [L983] SORT_13 var_313_arg_0 = var_283; [L984] SORT_13 var_313_arg_1 = var_312; [L985] SORT_1 var_313 = var_313_arg_0 == var_313_arg_1; [L986] SORT_1 var_314_arg_0 = input_6; [L987] SORT_1 var_314_arg_1 = var_313; [L988] SORT_1 var_314 = var_314_arg_0 & var_314_arg_1; [L989] var_314 = var_314 & mask_SORT_1 [L990] SORT_1 var_642_arg_0 = var_314; [L991] SORT_3 var_642_arg_1 = input_4; [L992] SORT_3 var_642_arg_2 = state_110; [L993] EXPR var_642_arg_0 ? var_642_arg_1 : var_642_arg_2 [L993] SORT_3 var_642 = var_642_arg_0 ? var_642_arg_1 : var_642_arg_2; [L994] SORT_1 var_643_arg_0 = input_7; [L995] SORT_3 var_643_arg_1 = var_582; [L996] SORT_3 var_643_arg_2 = var_642; [L997] EXPR var_643_arg_0 ? var_643_arg_1 : var_643_arg_2 [L997] SORT_3 var_643 = var_643_arg_0 ? var_643_arg_1 : var_643_arg_2; [L998] SORT_3 next_644_arg_1 = var_643; [L999] SORT_100 var_305_arg_0 = var_116; [L1000] var_305_arg_0 = var_305_arg_0 & mask_SORT_100 [L1001] SORT_13 var_305 = var_305_arg_0; [L1002] SORT_13 var_306_arg_0 = var_283; [L1003] SORT_13 var_306_arg_1 = var_305; [L1004] SORT_1 var_306 = var_306_arg_0 == var_306_arg_1; [L1005] SORT_1 var_307_arg_0 = input_6; [L1006] SORT_1 var_307_arg_1 = var_306; [L1007] SORT_1 var_307 = var_307_arg_0 & var_307_arg_1; [L1008] var_307 = var_307 & mask_SORT_1 [L1009] SORT_1 var_645_arg_0 = var_307; [L1010] SORT_3 var_645_arg_1 = input_4; [L1011] SORT_3 var_645_arg_2 = state_115; [L1012] EXPR var_645_arg_0 ? var_645_arg_1 : var_645_arg_2 [L1012] SORT_3 var_645 = var_645_arg_0 ? var_645_arg_1 : var_645_arg_2; [L1013] SORT_1 var_646_arg_0 = input_7; [L1014] SORT_3 var_646_arg_1 = var_582; [L1015] SORT_3 var_646_arg_2 = var_645; [L1016] EXPR var_646_arg_0 ? var_646_arg_1 : var_646_arg_2 [L1016] SORT_3 var_646 = var_646_arg_0 ? var_646_arg_1 : var_646_arg_2; [L1017] SORT_3 next_647_arg_1 = var_646; [L1018] SORT_100 var_298_arg_0 = var_121; [L1019] var_298_arg_0 = var_298_arg_0 & mask_SORT_100 [L1020] SORT_13 var_298 = var_298_arg_0; [L1021] SORT_13 var_299_arg_0 = var_283; [L1022] SORT_13 var_299_arg_1 = var_298; [L1023] SORT_1 var_299 = var_299_arg_0 == var_299_arg_1; [L1024] SORT_1 var_300_arg_0 = input_6; [L1025] SORT_1 var_300_arg_1 = var_299; [L1026] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L1027] var_300 = var_300 & mask_SORT_1 [L1028] SORT_1 var_648_arg_0 = var_300; [L1029] SORT_3 var_648_arg_1 = input_4; [L1030] SORT_3 var_648_arg_2 = state_120; [L1031] EXPR var_648_arg_0 ? var_648_arg_1 : var_648_arg_2 [L1031] SORT_3 var_648 = var_648_arg_0 ? var_648_arg_1 : var_648_arg_2; [L1032] SORT_1 var_649_arg_0 = input_7; [L1033] SORT_3 var_649_arg_1 = var_582; [L1034] SORT_3 var_649_arg_2 = var_648; [L1035] EXPR var_649_arg_0 ? var_649_arg_1 : var_649_arg_2 [L1035] SORT_3 var_649 = var_649_arg_0 ? var_649_arg_1 : var_649_arg_2; [L1036] SORT_3 next_650_arg_1 = var_649; [L1037] SORT_100 var_291_arg_0 = var_126; [L1038] var_291_arg_0 = var_291_arg_0 & mask_SORT_100 [L1039] SORT_13 var_291 = var_291_arg_0; [L1040] SORT_13 var_292_arg_0 = var_283; [L1041] SORT_13 var_292_arg_1 = var_291; [L1042] SORT_1 var_292 = var_292_arg_0 == var_292_arg_1; [L1043] SORT_1 var_293_arg_0 = input_6; [L1044] SORT_1 var_293_arg_1 = var_292; [L1045] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L1046] var_293 = var_293 & mask_SORT_1 [L1047] SORT_1 var_651_arg_0 = var_293; [L1048] SORT_3 var_651_arg_1 = input_4; [L1049] SORT_3 var_651_arg_2 = state_125; [L1050] EXPR var_651_arg_0 ? var_651_arg_1 : var_651_arg_2 [L1050] SORT_3 var_651 = var_651_arg_0 ? var_651_arg_1 : var_651_arg_2; [L1051] SORT_1 var_652_arg_0 = input_7; [L1052] SORT_3 var_652_arg_1 = var_582; [L1053] SORT_3 var_652_arg_2 = var_651; [L1054] EXPR var_652_arg_0 ? var_652_arg_1 : var_652_arg_2 [L1054] SORT_3 var_652 = var_652_arg_0 ? var_652_arg_1 : var_652_arg_2; [L1055] SORT_3 next_653_arg_1 = var_652; [L1056] SORT_100 var_507_arg_0 = var_131; [L1057] var_507_arg_0 = var_507_arg_0 & mask_SORT_100 [L1058] SORT_13 var_507 = var_507_arg_0; [L1059] SORT_13 var_508_arg_0 = var_283; [L1060] SORT_13 var_508_arg_1 = var_507; [L1061] SORT_1 var_508 = var_508_arg_0 == var_508_arg_1; [L1062] SORT_1 var_509_arg_0 = input_6; [L1063] SORT_1 var_509_arg_1 = var_508; [L1064] SORT_1 var_509 = var_509_arg_0 & var_509_arg_1; [L1065] var_509 = var_509 & mask_SORT_1 [L1066] SORT_1 var_654_arg_0 = var_509; [L1067] SORT_3 var_654_arg_1 = input_4; [L1068] SORT_3 var_654_arg_2 = state_130; [L1069] EXPR var_654_arg_0 ? var_654_arg_1 : var_654_arg_2 [L1069] SORT_3 var_654 = var_654_arg_0 ? var_654_arg_1 : var_654_arg_2; [L1070] SORT_1 var_655_arg_0 = input_7; [L1071] SORT_3 var_655_arg_1 = var_582; [L1072] SORT_3 var_655_arg_2 = var_654; [L1073] EXPR var_655_arg_0 ? var_655_arg_1 : var_655_arg_2 [L1073] SORT_3 var_655 = var_655_arg_0 ? var_655_arg_1 : var_655_arg_2; [L1074] SORT_3 next_656_arg_1 = var_655; [L1075] SORT_100 var_500_arg_0 = var_136; [L1076] var_500_arg_0 = var_500_arg_0 & mask_SORT_100 [L1077] SORT_13 var_500 = var_500_arg_0; [L1078] SORT_13 var_501_arg_0 = var_283; [L1079] SORT_13 var_501_arg_1 = var_500; [L1080] SORT_1 var_501 = var_501_arg_0 == var_501_arg_1; [L1081] SORT_1 var_502_arg_0 = input_6; [L1082] SORT_1 var_502_arg_1 = var_501; [L1083] SORT_1 var_502 = var_502_arg_0 & var_502_arg_1; [L1084] var_502 = var_502 & mask_SORT_1 [L1085] SORT_1 var_657_arg_0 = var_502; [L1086] SORT_3 var_657_arg_1 = input_4; [L1087] SORT_3 var_657_arg_2 = state_135; [L1088] EXPR var_657_arg_0 ? var_657_arg_1 : var_657_arg_2 [L1088] SORT_3 var_657 = var_657_arg_0 ? var_657_arg_1 : var_657_arg_2; [L1089] SORT_1 var_658_arg_0 = input_7; [L1090] SORT_3 var_658_arg_1 = var_582; [L1091] SORT_3 var_658_arg_2 = var_657; [L1092] EXPR var_658_arg_0 ? var_658_arg_1 : var_658_arg_2 [L1092] SORT_3 var_658 = var_658_arg_0 ? var_658_arg_1 : var_658_arg_2; [L1093] SORT_3 next_659_arg_1 = var_658; [L1094] SORT_141 var_493_arg_0 = var_142; [L1095] var_493_arg_0 = var_493_arg_0 & mask_SORT_141 [L1096] SORT_13 var_493 = var_493_arg_0; [L1097] SORT_13 var_494_arg_0 = var_283; [L1098] SORT_13 var_494_arg_1 = var_493; [L1099] SORT_1 var_494 = var_494_arg_0 == var_494_arg_1; [L1100] SORT_1 var_495_arg_0 = input_6; [L1101] SORT_1 var_495_arg_1 = var_494; [L1102] SORT_1 var_495 = var_495_arg_0 & var_495_arg_1; [L1103] var_495 = var_495 & mask_SORT_1 [L1104] SORT_1 var_660_arg_0 = var_495; [L1105] SORT_3 var_660_arg_1 = input_4; [L1106] SORT_3 var_660_arg_2 = state_140; [L1107] EXPR var_660_arg_0 ? var_660_arg_1 : var_660_arg_2 [L1107] SORT_3 var_660 = var_660_arg_0 ? var_660_arg_1 : var_660_arg_2; [L1108] SORT_1 var_661_arg_0 = input_7; [L1109] SORT_3 var_661_arg_1 = var_582; [L1110] SORT_3 var_661_arg_2 = var_660; [L1111] EXPR var_661_arg_0 ? var_661_arg_1 : var_661_arg_2 [L1111] SORT_3 var_661 = var_661_arg_0 ? var_661_arg_1 : var_661_arg_2; [L1112] SORT_3 next_662_arg_1 = var_661; [L1113] SORT_141 var_486_arg_0 = var_147; [L1114] var_486_arg_0 = var_486_arg_0 & mask_SORT_141 [L1115] SORT_13 var_486 = var_486_arg_0; [L1116] SORT_13 var_487_arg_0 = var_283; [L1117] SORT_13 var_487_arg_1 = var_486; [L1118] SORT_1 var_487 = var_487_arg_0 == var_487_arg_1; [L1119] SORT_1 var_488_arg_0 = input_6; [L1120] SORT_1 var_488_arg_1 = var_487; [L1121] SORT_1 var_488 = var_488_arg_0 & var_488_arg_1; [L1122] var_488 = var_488 & mask_SORT_1 [L1123] SORT_1 var_663_arg_0 = var_488; [L1124] SORT_3 var_663_arg_1 = input_4; [L1125] SORT_3 var_663_arg_2 = state_146; [L1126] EXPR var_663_arg_0 ? var_663_arg_1 : var_663_arg_2 [L1126] SORT_3 var_663 = var_663_arg_0 ? var_663_arg_1 : var_663_arg_2; [L1127] SORT_1 var_664_arg_0 = input_7; [L1128] SORT_3 var_664_arg_1 = var_582; [L1129] SORT_3 var_664_arg_2 = var_663; [L1130] EXPR var_664_arg_0 ? var_664_arg_1 : var_664_arg_2 [L1130] SORT_3 var_664 = var_664_arg_0 ? var_664_arg_1 : var_664_arg_2; [L1131] SORT_3 next_665_arg_1 = var_664; [L1132] SORT_141 var_479_arg_0 = var_152; [L1133] var_479_arg_0 = var_479_arg_0 & mask_SORT_141 [L1134] SORT_13 var_479 = var_479_arg_0; [L1135] SORT_13 var_480_arg_0 = var_283; [L1136] SORT_13 var_480_arg_1 = var_479; [L1137] SORT_1 var_480 = var_480_arg_0 == var_480_arg_1; [L1138] SORT_1 var_481_arg_0 = input_6; [L1139] SORT_1 var_481_arg_1 = var_480; [L1140] SORT_1 var_481 = var_481_arg_0 & var_481_arg_1; [L1141] var_481 = var_481 & mask_SORT_1 [L1142] SORT_1 var_666_arg_0 = var_481; [L1143] SORT_3 var_666_arg_1 = input_4; [L1144] SORT_3 var_666_arg_2 = state_151; [L1145] EXPR var_666_arg_0 ? var_666_arg_1 : var_666_arg_2 [L1145] SORT_3 var_666 = var_666_arg_0 ? var_666_arg_1 : var_666_arg_2; [L1146] SORT_1 var_667_arg_0 = input_7; [L1147] SORT_3 var_667_arg_1 = var_582; [L1148] SORT_3 var_667_arg_2 = var_666; [L1149] EXPR var_667_arg_0 ? var_667_arg_1 : var_667_arg_2 [L1149] SORT_3 var_667 = var_667_arg_0 ? var_667_arg_1 : var_667_arg_2; [L1150] SORT_3 next_668_arg_1 = var_667; [L1151] SORT_141 var_472_arg_0 = var_157; [L1152] var_472_arg_0 = var_472_arg_0 & mask_SORT_141 [L1153] SORT_13 var_472 = var_472_arg_0; [L1154] SORT_13 var_473_arg_0 = var_283; [L1155] SORT_13 var_473_arg_1 = var_472; [L1156] SORT_1 var_473 = var_473_arg_0 == var_473_arg_1; [L1157] SORT_1 var_474_arg_0 = input_6; [L1158] SORT_1 var_474_arg_1 = var_473; [L1159] SORT_1 var_474 = var_474_arg_0 & var_474_arg_1; [L1160] var_474 = var_474 & mask_SORT_1 [L1161] SORT_1 var_669_arg_0 = var_474; [L1162] SORT_3 var_669_arg_1 = input_4; [L1163] SORT_3 var_669_arg_2 = state_156; [L1164] EXPR var_669_arg_0 ? var_669_arg_1 : var_669_arg_2 [L1164] SORT_3 var_669 = var_669_arg_0 ? var_669_arg_1 : var_669_arg_2; [L1165] SORT_1 var_670_arg_0 = input_7; [L1166] SORT_3 var_670_arg_1 = var_582; [L1167] SORT_3 var_670_arg_2 = var_669; [L1168] EXPR var_670_arg_0 ? var_670_arg_1 : var_670_arg_2 [L1168] SORT_3 var_670 = var_670_arg_0 ? var_670_arg_1 : var_670_arg_2; [L1169] SORT_3 next_671_arg_1 = var_670; [L1170] SORT_162 var_465_arg_0 = var_163; [L1171] var_465_arg_0 = var_465_arg_0 & mask_SORT_162 [L1172] SORT_13 var_465 = var_465_arg_0; [L1173] SORT_13 var_466_arg_0 = var_283; [L1174] SORT_13 var_466_arg_1 = var_465; [L1175] SORT_1 var_466 = var_466_arg_0 == var_466_arg_1; [L1176] SORT_1 var_467_arg_0 = input_6; [L1177] SORT_1 var_467_arg_1 = var_466; [L1178] SORT_1 var_467 = var_467_arg_0 & var_467_arg_1; [L1179] var_467 = var_467 & mask_SORT_1 [L1180] SORT_1 var_672_arg_0 = var_467; [L1181] SORT_3 var_672_arg_1 = input_4; [L1182] SORT_3 var_672_arg_2 = state_161; [L1183] EXPR var_672_arg_0 ? var_672_arg_1 : var_672_arg_2 [L1183] SORT_3 var_672 = var_672_arg_0 ? var_672_arg_1 : var_672_arg_2; [L1184] SORT_1 var_673_arg_0 = input_7; [L1185] SORT_3 var_673_arg_1 = var_582; [L1186] SORT_3 var_673_arg_2 = var_672; [L1187] EXPR var_673_arg_0 ? var_673_arg_1 : var_673_arg_2 [L1187] SORT_3 var_673 = var_673_arg_0 ? var_673_arg_1 : var_673_arg_2; [L1188] SORT_3 next_674_arg_1 = var_673; [L1189] SORT_162 var_438_arg_0 = var_168; [L1190] var_438_arg_0 = var_438_arg_0 & mask_SORT_162 [L1191] SORT_13 var_438 = var_438_arg_0; [L1192] SORT_13 var_439_arg_0 = var_283; [L1193] SORT_13 var_439_arg_1 = var_438; [L1194] SORT_1 var_439 = var_439_arg_0 == var_439_arg_1; [L1195] SORT_1 var_440_arg_0 = input_6; [L1196] SORT_1 var_440_arg_1 = var_439; [L1197] SORT_1 var_440 = var_440_arg_0 & var_440_arg_1; [L1198] var_440 = var_440 & mask_SORT_1 [L1199] SORT_1 var_675_arg_0 = var_440; [L1200] SORT_3 var_675_arg_1 = input_4; [L1201] SORT_3 var_675_arg_2 = state_167; [L1202] EXPR var_675_arg_0 ? var_675_arg_1 : var_675_arg_2 [L1202] SORT_3 var_675 = var_675_arg_0 ? var_675_arg_1 : var_675_arg_2; [L1203] SORT_1 var_676_arg_0 = input_7; [L1204] SORT_3 var_676_arg_1 = var_582; [L1205] SORT_3 var_676_arg_2 = var_675; [L1206] EXPR var_676_arg_0 ? var_676_arg_1 : var_676_arg_2 [L1206] SORT_3 var_676 = var_676_arg_0 ? var_676_arg_1 : var_676_arg_2; [L1207] SORT_3 next_677_arg_1 = var_676; [L1208] SORT_1 var_361_arg_0 = var_173; [L1209] var_361_arg_0 = var_361_arg_0 & mask_SORT_1 [L1210] SORT_13 var_361 = var_361_arg_0; [L1211] SORT_13 var_362_arg_0 = var_283; [L1212] SORT_13 var_362_arg_1 = var_361; [L1213] SORT_1 var_362 = var_362_arg_0 == var_362_arg_1; [L1214] SORT_1 var_363_arg_0 = input_6; [L1215] SORT_1 var_363_arg_1 = var_362; [L1216] SORT_1 var_363 = var_363_arg_0 & var_363_arg_1; [L1217] var_363 = var_363 & mask_SORT_1 [L1218] SORT_1 var_678_arg_0 = var_363; [L1219] SORT_3 var_678_arg_1 = input_4; [L1220] SORT_3 var_678_arg_2 = state_172; [L1221] EXPR var_678_arg_0 ? var_678_arg_1 : var_678_arg_2 [L1221] SORT_3 var_678 = var_678_arg_0 ? var_678_arg_1 : var_678_arg_2; [L1222] SORT_1 var_679_arg_0 = input_7; [L1223] SORT_3 var_679_arg_1 = var_582; [L1224] SORT_3 var_679_arg_2 = var_678; [L1225] EXPR var_679_arg_0 ? var_679_arg_1 : var_679_arg_2 [L1225] SORT_3 var_679 = var_679_arg_0 ? var_679_arg_1 : var_679_arg_2; [L1226] SORT_3 next_680_arg_1 = var_679; [L1227] SORT_13 var_284_arg_0 = var_283; [L1228] SORT_1 var_284 = var_284_arg_0 != 0; [L1229] SORT_1 var_285_arg_0 = var_284; [L1230] SORT_1 var_285 = ~var_285_arg_0; [L1231] SORT_1 var_286_arg_0 = input_6; [L1232] SORT_1 var_286_arg_1 = var_285; [L1233] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L1234] var_286 = var_286 & mask_SORT_1 [L1235] SORT_1 var_681_arg_0 = var_286; [L1236] SORT_3 var_681_arg_1 = input_4; [L1237] SORT_3 var_681_arg_2 = state_177; [L1238] EXPR var_681_arg_0 ? var_681_arg_1 : var_681_arg_2 [L1238] SORT_3 var_681 = var_681_arg_0 ? var_681_arg_1 : var_681_arg_2; [L1239] SORT_1 var_682_arg_0 = input_7; [L1240] SORT_3 var_682_arg_1 = var_582; [L1241] SORT_3 var_682_arg_2 = var_681; [L1242] EXPR var_682_arg_0 ? var_682_arg_1 : var_682_arg_2 [L1242] SORT_3 var_682 = var_682_arg_0 ? var_682_arg_1 : var_682_arg_2; [L1243] SORT_3 next_683_arg_1 = var_682; [L1244] SORT_1 var_684_arg_0 = input_6; [L1245] var_684_arg_0 = var_684_arg_0 & mask_SORT_1 [L1246] SORT_11 var_684 = var_684_arg_0; [L1247] SORT_11 var_685_arg_0 = state_182; [L1248] SORT_11 var_685_arg_1 = var_684; [L1249] SORT_11 var_685 = var_685_arg_0 + var_685_arg_1; [L1250] SORT_1 var_686_arg_0 = input_5; [L1251] var_686_arg_0 = var_686_arg_0 & mask_SORT_1 [L1252] SORT_11 var_686 = var_686_arg_0; [L1253] SORT_11 var_687_arg_0 = var_685; [L1254] SORT_11 var_687_arg_1 = var_686; [L1255] SORT_11 var_687 = var_687_arg_0 - var_687_arg_1; [L1256] SORT_1 var_688_arg_0 = input_7; [L1257] SORT_11 var_688_arg_1 = var_203; [L1258] SORT_11 var_688_arg_2 = var_687; [L1259] EXPR var_688_arg_0 ? var_688_arg_1 : var_688_arg_2 [L1259] SORT_11 var_688 = var_688_arg_0 ? var_688_arg_1 : var_688_arg_2; [L1260] var_688 = var_688 & mask_SORT_11 [L1261] SORT_11 next_689_arg_1 = var_688; [L1262] SORT_1 var_542_arg_0 = state_190; [L1263] SORT_1 var_542 = ~var_542_arg_0; [L1264] var_542 = var_542 & mask_SORT_1 [L1265] SORT_1 var_538_arg_0 = input_8; [L1266] SORT_1 var_538_arg_1 = input_6; [L1267] SORT_1 var_538 = var_538_arg_0 & var_538_arg_1; [L1268] SORT_1 var_539_arg_0 = state_190; [L1269] SORT_1 var_539_arg_1 = var_538; [L1270] SORT_1 var_539 = var_539_arg_0 | var_539_arg_1; [L1271] SORT_1 var_690_arg_0 = var_542; [L1272] SORT_1 var_690_arg_1 = var_539; [L1273] SORT_1 var_690_arg_2 = state_190; [L1274] EXPR var_690_arg_0 ? var_690_arg_1 : var_690_arg_2 [L1274] SORT_1 var_690 = var_690_arg_0 ? var_690_arg_1 : var_690_arg_2; [L1275] SORT_1 var_691_arg_0 = input_7; [L1276] SORT_1 var_691_arg_1 = var_233; [L1277] SORT_1 var_691_arg_2 = var_690; [L1278] EXPR var_691_arg_0 ? var_691_arg_1 : var_691_arg_2 [L1278] SORT_1 var_691 = var_691_arg_0 ? var_691_arg_1 : var_691_arg_2; [L1279] SORT_1 next_692_arg_1 = var_691; [L1280] SORT_1 var_550_arg_0 = var_207; [L1281] SORT_1 var_550_arg_1 = state_191; [L1282] SORT_1 var_550 = var_550_arg_0 | var_550_arg_1; [L1283] SORT_1 var_693_arg_0 = var_173; [L1284] SORT_1 var_693_arg_1 = var_550; [L1285] SORT_1 var_693_arg_2 = state_191; [L1286] EXPR var_693_arg_0 ? var_693_arg_1 : var_693_arg_2 [L1286] SORT_1 var_693 = var_693_arg_0 ? var_693_arg_1 : var_693_arg_2; [L1287] SORT_1 var_694_arg_0 = input_7; [L1288] SORT_1 var_694_arg_1 = var_233; [L1289] SORT_1 var_694_arg_2 = var_693; [L1290] EXPR var_694_arg_0 ? var_694_arg_1 : var_694_arg_2 [L1290] SORT_1 var_694 = var_694_arg_0 ? var_694_arg_1 : var_694_arg_2; [L1291] SORT_1 next_695_arg_1 = var_694; [L1292] SORT_1 var_562_arg_0 = input_6; [L1293] SORT_1 var_562_arg_1 = input_5; [L1294] SORT_1 var_562 = var_562_arg_0 | var_562_arg_1; [L1295] SORT_1 var_563_arg_0 = var_562; [L1296] SORT_1 var_563_arg_1 = input_7; [L1297] SORT_1 var_563 = var_563_arg_0 | var_563_arg_1; [L1298] SORT_1 var_564_arg_0 = var_563; [L1299] SORT_1 var_564_arg_1 = state_190; [L1300] SORT_1 var_564 = var_564_arg_0 | var_564_arg_1; [L1301] var_564 = var_564 & mask_SORT_1 [L1302] SORT_1 var_696_arg_0 = var_564; [L1303] SORT_11 var_696_arg_1 = var_204; [L1304] SORT_11 var_696_arg_2 = state_194; [L1305] EXPR var_696_arg_0 ? var_696_arg_1 : var_696_arg_2 [L1305] SORT_11 var_696 = var_696_arg_0 ? var_696_arg_1 : var_696_arg_2; [L1306] SORT_1 var_697_arg_0 = input_7; [L1307] SORT_11 var_697_arg_1 = var_203; [L1308] SORT_11 var_697_arg_2 = var_696; [L1309] EXPR var_697_arg_0 ? var_697_arg_1 : var_697_arg_2 [L1309] SORT_11 var_697 = var_697_arg_0 ? var_697_arg_1 : var_697_arg_2; [L1310] var_697 = var_697 & mask_SORT_11 [L1311] SORT_11 next_698_arg_1 = var_697; [L1312] SORT_1 var_547_arg_0 = var_538; [L1313] SORT_1 var_547_arg_1 = var_542; [L1314] SORT_1 var_547 = var_547_arg_0 & var_547_arg_1; [L1315] var_547 = var_547 & mask_SORT_1 [L1316] SORT_1 var_699_arg_0 = var_547; [L1317] SORT_3 var_699_arg_1 = input_4; [L1318] SORT_3 var_699_arg_2 = state_209; [L1319] EXPR var_699_arg_0 ? var_699_arg_1 : var_699_arg_2 [L1319] SORT_3 var_699 = var_699_arg_0 ? var_699_arg_1 : var_699_arg_2; [L1320] SORT_1 var_700_arg_0 = input_7; [L1321] SORT_3 var_700_arg_1 = var_582; [L1322] SORT_3 var_700_arg_2 = var_699; [L1323] EXPR var_700_arg_0 ? var_700_arg_1 : var_700_arg_2 [L1323] SORT_3 var_700 = var_700_arg_0 ? var_700_arg_1 : var_700_arg_2; [L1324] var_700 = var_700 & mask_SORT_3 [L1325] SORT_3 next_701_arg_1 = var_700; [L1326] SORT_1 next_702_arg_1 = var_233; [L1327] SORT_1 var_518_arg_0 = input_6; [L1328] var_518_arg_0 = var_518_arg_0 & mask_SORT_1 [L1329] SORT_11 var_518 = var_518_arg_0; [L1330] SORT_11 var_519_arg_0 = state_282; [L1331] SORT_11 var_519_arg_1 = var_518; [L1332] SORT_11 var_519 = var_519_arg_0 + var_519_arg_1; [L1333] SORT_1 var_703_arg_0 = var_242; [L1334] SORT_11 var_703_arg_1 = var_519; [L1335] SORT_11 var_703_arg_2 = state_282; [L1336] EXPR var_703_arg_0 ? var_703_arg_1 : var_703_arg_2 [L1336] SORT_11 var_703 = var_703_arg_0 ? var_703_arg_1 : var_703_arg_2; [L1337] SORT_1 var_704_arg_0 = input_7; [L1338] SORT_11 var_704_arg_1 = var_203; [L1339] SORT_11 var_704_arg_2 = var_703; [L1340] EXPR var_704_arg_0 ? var_704_arg_1 : var_704_arg_2 [L1340] SORT_11 var_704 = var_704_arg_0 ? var_704_arg_1 : var_704_arg_2; [L1341] SORT_11 next_705_arg_1 = var_704; [L1343] state_10 = next_584_arg_1 [L1344] state_12 = next_587_arg_1 [L1345] state_18 = next_590_arg_1 [L1346] state_24 = next_593_arg_1 [L1347] state_29 = next_596_arg_1 [L1348] state_34 = next_599_arg_1 [L1349] state_39 = next_602_arg_1 [L1350] state_44 = next_605_arg_1 [L1351] state_49 = next_608_arg_1 [L1352] state_54 = next_611_arg_1 [L1353] state_59 = next_614_arg_1 [L1354] state_64 = next_617_arg_1 [L1355] state_69 = next_620_arg_1 [L1356] state_74 = next_623_arg_1 [L1357] state_79 = next_626_arg_1 [L1358] state_84 = next_629_arg_1 [L1359] state_89 = next_632_arg_1 [L1360] state_94 = next_635_arg_1 [L1361] state_99 = next_638_arg_1 [L1362] state_105 = next_641_arg_1 [L1363] state_110 = next_644_arg_1 [L1364] state_115 = next_647_arg_1 [L1365] state_120 = next_650_arg_1 [L1366] state_125 = next_653_arg_1 [L1367] state_130 = next_656_arg_1 [L1368] state_135 = next_659_arg_1 [L1369] state_140 = next_662_arg_1 [L1370] state_146 = next_665_arg_1 [L1371] state_151 = next_668_arg_1 [L1372] state_156 = next_671_arg_1 [L1373] state_161 = next_674_arg_1 [L1374] state_167 = next_677_arg_1 [L1375] state_172 = next_680_arg_1 [L1376] state_177 = next_683_arg_1 [L1377] state_182 = next_689_arg_1 [L1378] state_190 = next_692_arg_1 [L1379] state_191 = next_695_arg_1 [L1380] state_194 = next_698_arg_1 [L1381] state_209 = next_701_arg_1 [L1382] state_213 = next_702_arg_1 [L1383] state_282 = next_705_arg_1 VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=3, input_231=0, input_4=1, input_5=2, input_6=1, input_7=0, input_8=0, input_9=117, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=59, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_ushort() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_ushort() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=59, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=194, var_187_arg_0=194, var_188=0, var_188_arg_0=255, var_188_arg_1=194, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=59, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=59, var_221_arg_1=1, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=0, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=0, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=71, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=71, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=1, var_183_arg_0=255, var_184=5, var_184_arg_0=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=0, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=0, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=71, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=71, var_225=1, var_225_arg_0=5, var_226=35, var_226_arg_0=2, var_227=0, var_227_arg_0=1, var_227_arg_1=35, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=0, var_183_arg_0=0, var_184=4, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=0, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=0, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=71, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=71, var_225=252, var_225_arg_0=4, var_226=1, var_226_arg_0=1, var_227=0, var_227_arg_0=252, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=0, input_4=7, input_5=1, input_6=3, input_7=0, input_8=2, input_9=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=65535, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=32768, next_584_arg_1=117, next_587_arg_1=0, next_590_arg_1=1, next_593_arg_1=1, next_596_arg_1=0, next_599_arg_1=50, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=1, next_614_arg_1=1, next_617_arg_1=0, next_620_arg_1=65534, next_623_arg_1=1, next_626_arg_1=0, next_629_arg_1=1, next_632_arg_1=1, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=1, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=58, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=1, next_674_arg_1=1, next_677_arg_1=65533, next_680_arg_1=0, next_683_arg_1=1, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=69, next_702_arg_1=0, next_705_arg_1=0, state_10=117, state_105=1, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=58, state_146=0, state_151=0, state_156=1, state_161=1, state_167=65533, state_172=0, state_177=1, state_18=1, state_182=0, state_190=0, state_191=1, state_194=0, state_209=69, state_213=0, state_24=1, state_282=0, state_29=0, state_34=50, state_39=0, state_44=0, state_49=0, state_54=1, state_59=1, state_64=0, state_69=65534, state_74=1, state_79=0, state_84=1, state_89=1, state_94=0, state_99=0, var_101=15, var_102=0, var_102_arg_0=0, var_103=1, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=1, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=12, var_107_arg_0=12, var_108=0, var_108_arg_0=0, var_108_arg_1=12, var_109=0, var_109_arg_0=0, var_109_arg_1=1, var_109_arg_2=0, var_111=13, var_112=0, var_112_arg_0=0, var_113=1, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=5, var_117_arg_0=5, var_118=0, var_118_arg_0=0, var_118_arg_1=5, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=2, var_122_arg_0=2, var_123=0, var_123_arg_0=0, var_123_arg_1=2, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=0, var_127_arg_0=0, var_128=1, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=11, var_132_arg_0=11, var_133=0, var_133_arg_0=0, var_133_arg_1=11, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=248, var_137_arg_0=248, var_138=0, var_138_arg_0=0, var_138_arg_1=248, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=56, var_143_arg_0=56, var_144=0, var_144_arg_0=0, var_144_arg_1=56, var_145=0, var_145_arg_0=0, var_145_arg_1=58, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=4, var_158_arg_0=4, var_159=0, var_159_arg_0=0, var_159_arg_1=4, var_16=0, var_160=0, var_160_arg_0=0, var_160_arg_1=1, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=0, var_16_arg_1=32, var_17=117, var_170=1, var_170_arg_0=0, var_170_arg_1=0, var_171=65533, var_171_arg_0=1, var_171_arg_1=65533, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=65533, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=65533, var_178=0, var_178_arg_0=0, var_179=1, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=117, var_17_arg_2=117, var_180=0, var_180_arg_0=1, var_180_arg_1=65532, var_180_arg_2=65533, var_183=0, var_183_arg_0=0, var_184=4, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=0, var_195_arg_0=0, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=37, var_210=0, var_210_arg_0=69, var_210_arg_1=0, var_211=0, var_211_arg_0=0, var_211_arg_1=0, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=3, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=3, var_219=0, var_219_arg_0=0, var_21_arg_0=37, var_22=0, var_220=0, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=71, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=71, var_225=252, var_225_arg_0=4, var_226=1, var_226_arg_0=1, var_227=0, var_227_arg_0=252, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=37, var_23=117, var_232=0, var_232_arg_0=1, var_232_arg_1=0, var_232_arg_2=0, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=0, var_235_arg_0=0, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_23_arg_0=0, var_23_arg_1=1, var_23_arg_2=117, var_241=1, var_241_arg_0=1, var_241_arg_1=2, var_242=1, var_242_arg_0=1, var_242_arg_1=0, var_25=30, var_26=1, var_26_arg_0=1, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=117, var_283=0, var_283_arg_0=255, var_284=0, var_284_arg_0=0, var_285=3, var_285_arg_0=0, var_286=1, var_286_arg_0=1, var_286_arg_1=3, var_28_arg_0=0, var_28_arg_1=118, var_28_arg_2=117, var_291=253, var_291_arg_0=253, var_292=0, var_292_arg_0=0, var_292_arg_1=253, var_293=0, var_293_arg_0=1, var_293_arg_1=0, var_298=19, var_298_arg_0=19, var_299=0, var_299_arg_0=0, var_299_arg_1=19, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=16, var_305_arg_0=16, var_306=0, var_306_arg_0=0, var_306_arg_1=16, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=1, var_312=251, var_312_arg_0=251, var_313=0, var_313_arg_0=0, var_313_arg_1=251, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_319=1, var_319_arg_0=1, var_31_arg_0=1, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=1, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=1, var_33=117, var_333=8, var_333_arg_0=8, var_334=0, var_334_arg_0=0, var_334_arg_1=8, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=117, var_340=14, var_340_arg_0=14, var_341=0, var_341_arg_0=0, var_341_arg_1=14, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=247, var_347_arg_0=247, var_348=0, var_348_arg_0=0, var_348_arg_1=247, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=250, var_354_arg_0=250, var_355=0, var_355_arg_0=0, var_355_arg_1=250, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=10, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=254, var_368_arg_0=254, var_369=0, var_369_arg_0=0, var_369_arg_1=254, var_36_arg_0=10, var_37=0, var_370=0, var_370_arg_0=1, var_370_arg_1=0, var_375=1, var_375_arg_0=1, var_376=0, var_376_arg_0=0, var_376_arg_1=1, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=10, var_38=117, var_382=15, var_382_arg_0=15, var_383=0, var_383_arg_0=0, var_383_arg_1=15, var_384=0, var_384_arg_0=1, var_384_arg_1=0, var_389=0, var_389_arg_0=0, var_38_arg_0=0, var_38_arg_1=50, var_38_arg_2=117, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=248, var_403_arg_0=248, var_404=0, var_404_arg_0=0, var_404_arg_1=248, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=0, var_410=6, var_410_arg_0=6, var_411=0, var_411_arg_0=0, var_411_arg_1=6, var_412=0, var_412_arg_0=1, var_412_arg_1=0, var_417=249, var_417_arg_0=249, var_418=0, var_418_arg_0=0, var_418_arg_1=249, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=0, var_42=1, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=0, var_43=0, var_431=17, var_431_arg_0=17, var_432=0, var_432_arg_0=0, var_432_arg_1=17, var_433=0, var_433_arg_0=1, var_433_arg_1=0, var_438=18, var_438_arg_0=18, var_439=0, var_439_arg_0=0, var_439_arg_1=18, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=117, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=21, var_452_arg_0=21, var_453=0, var_453_arg_0=0, var_453_arg_1=21, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=254, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=254, var_47=0, var_472=255, var_472_arg_0=255, var_473=0, var_473_arg_0=0, var_473_arg_1=255, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=20, var_479_arg_0=20, var_47_arg_0=0, var_47_arg_1=254, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=20, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=7, var_486_arg_0=7, var_487=0, var_487_arg_0=0, var_487_arg_1=7, var_488=0, var_488_arg_0=1, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=8, var_493_arg_0=8, var_494=0, var_494_arg_0=0, var_494_arg_1=8, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=252, var_500_arg_0=252, var_501=0, var_501_arg_0=0, var_501_arg_1=252, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=4, var_507_arg_0=4, var_508=0, var_508_arg_0=0, var_508_arg_1=4, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=2, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=0, var_519_arg_0=255, var_519_arg_1=1, var_51_arg_0=2, var_52=0, var_52_arg_0=0, var_52_arg_1=2, var_53=0, var_538=0, var_538_arg_0=0, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=6, var_562=2, var_562_arg_0=1, var_562_arg_1=2, var_563=0, var_563_arg_0=2, var_563_arg_1=0, var_564=0, var_564_arg_0=0, var_564_arg_1=0, var_56_arg_0=6, var_57=0, var_57_arg_0=0, var_57_arg_1=6, var_58=0, var_581=117, var_581_arg_0=0, var_581_arg_1=1, var_581_arg_2=117, var_582=0, var_583=117, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=117, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=1, var_588_arg_0=0, var_588_arg_1=1, var_588_arg_2=1, var_589=1, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=1, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_591=1, var_591_arg_0=1, var_591_arg_1=1, var_591_arg_2=118, var_592=1, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=1, var_594=0, var_594_arg_0=0, var_594_arg_1=1, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=50, var_597_arg_0=0, var_597_arg_1=1, var_597_arg_2=50, var_598=50, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=50, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=1, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=0, var_603_arg_1=1, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=1, var_606_arg_2=0, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=1, var_609_arg_0=1, var_609_arg_1=1, var_609_arg_2=1, var_61=5, var_610=1, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=1, var_612=1, var_612_arg_0=1, var_612_arg_1=1, var_612_arg_2=65525, var_613=1, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=1, var_615=0, var_615_arg_0=0, var_615_arg_1=1, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=65534, var_618_arg_0=0, var_618_arg_1=1, var_618_arg_2=65534, var_619=65534, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=65534, var_61_arg_0=5, var_62=0, var_621=1, var_621_arg_0=0, var_621_arg_1=1, var_621_arg_2=1, var_622=1, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=1, var_624=0, var_624_arg_0=0, var_624_arg_1=1, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=1, var_627_arg_0=0, var_627_arg_1=1, var_627_arg_2=1, var_628=1, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=1, var_62_arg_0=0, var_62_arg_1=5, var_63=0, var_630=1, var_630_arg_0=0, var_630_arg_1=1, var_630_arg_2=1, var_631=1, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=1, var_633=0, var_633_arg_0=0, var_633_arg_1=1, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=1, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=1, var_639_arg_0=0, var_639_arg_1=1, var_639_arg_2=1, var_63_arg_0=0, var_63_arg_1=65525, var_63_arg_2=0, var_640=1, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=1, var_642=0, var_642_arg_0=0, var_642_arg_1=1, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=1, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=1, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=1, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=1, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=1, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=58, var_660_arg_0=0, var_660_arg_1=1, var_660_arg_2=58, var_661=58, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=58, var_663=0, var_663_arg_0=0, var_663_arg_1=1, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=1, var_666_arg_2=0, var_667=0, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=0, var_669=1, var_669_arg_0=0, var_669_arg_1=1, var_669_arg_2=1, var_66_arg_0=0, var_67=1, var_670=1, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=1, var_672=1, var_672_arg_0=1, var_672_arg_1=1, var_672_arg_2=0, var_673=1, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=1, var_675=65533, var_675_arg_0=0, var_675_arg_1=1, var_675_arg_2=65533, var_676=65533, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=65533, var_678=0, var_678_arg_0=0, var_678_arg_1=1, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=1, var_681_arg_0=1, var_681_arg_1=1, var_681_arg_2=65532, var_682=1, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=1, var_684=1, var_684_arg_0=1, var_685=0, var_685_arg_0=255, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=0, var_687_arg_0=0, var_687_arg_1=0, var_688=0, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=0, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=0, var_699=69, var_699_arg_0=0, var_699_arg_1=1, var_699_arg_2=69, var_70=21, var_700=69, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=69, var_703=0, var_703_arg_0=1, var_703_arg_1=0, var_703_arg_2=255, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=3, var_71_arg_0=3, var_72=0, var_72_arg_0=0, var_72_arg_1=3, var_73=0, var_73_arg_0=0, var_73_arg_1=65534, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_78_arg_1=1, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_83=1, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=1, var_85=18, var_86=249, var_86_arg_0=249, var_87=0, var_87_arg_0=0, var_87_arg_1=249, var_88=1, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=1, var_90=17, var_91=7, var_91_arg_0=7, var_92=0, var_92_arg_0=0, var_92_arg_1=7, var_93=1, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=1, var_95=16, var_96=0, var_96_arg_0=0, var_97=1, var_97_arg_0=0, var_97_arg_1=0, var_98=0, var_98_arg_0=1, var_98_arg_1=0, var_98_arg_2=1] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 285.4s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 147.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:34:02,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e21c738f45b1a3d63c5b3dc7b524b0d900e7fe49b8a44619e9174a85389f0e7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:34:05,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:34:05,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:34:05,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:34:05,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:34:05,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:34:05,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:34:05,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:34:05,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:34:05,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:34:05,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:34:05,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:34:05,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:34:05,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:34:05,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:34:05,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:34:05,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:34:05,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:34:05,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:34:05,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:34:05,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:34:05,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:34:05,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:34:05,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:34:05,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:34:05,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:34:05,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:34:05,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:34:05,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:34:05,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:34:05,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:34:05,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:34:05,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:34:05,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:34:05,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:34:05,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:34:05,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:34:05,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:34:05,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:34:05,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:34:05,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:34:05,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:34:05,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:34:05,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:34:05,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:34:05,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:34:05,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:34:05,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:34:05,324 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:34:05,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:34:05,325 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:34:05,325 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:34:05,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:34:05,326 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:34:05,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:34:05,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:34:05,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:34:05,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:34:05,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:34:05,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:34:05,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:34:05,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:34:05,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:34:05,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:34:05,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:34:05,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:34:05,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:34:05,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:34:05,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:05,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:34:05,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:34:05,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:34:05,332 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:34:05,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:34:05,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:34:05,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:34:05,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:34:05,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e21c738f45b1a3d63c5b3dc7b524b0d900e7fe49b8a44619e9174a85389f0e7f [2022-11-03 03:34:05,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:34:05,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:34:05,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:34:05,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:34:05,699 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:34:05,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:34:05,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/8a590d7b2/53310eb6a2164bd789081c1801b07f15/FLAG3a1782881 [2022-11-03 03:34:06,511 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:34:06,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:34:06,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/8a590d7b2/53310eb6a2164bd789081c1801b07f15/FLAG3a1782881 [2022-11-03 03:34:06,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/data/8a590d7b2/53310eb6a2164bd789081c1801b07f15 [2022-11-03 03:34:06,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:34:06,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:34:06,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:06,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:34:06,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:34:06,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:06" (1/1) ... [2022-11-03 03:34:06,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b88cf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:06, skipping insertion in model container [2022-11-03 03:34:06,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:06" (1/1) ... [2022-11-03 03:34:06,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:34:06,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:34:06,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c[1116,1129] [2022-11-03 03:34:07,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:07,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:34:07,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c[1116,1129] [2022-11-03 03:34:07,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:07,461 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:34:07,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07 WrapperNode [2022-11-03 03:34:07,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:07,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:07,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:34:07,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:34:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,616 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 03:34:07,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:07,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:34:07,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:34:07,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:34:07,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:34:07,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:34:07,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:34:07,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:34:07,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (1/1) ... [2022-11-03 03:34:07,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:07,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:07,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:34:07,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:34:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:34:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:34:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:34:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:34:08,233 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:34:08,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:34:09,694 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:34:09,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:34:09,705 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:34:09,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:09 BoogieIcfgContainer [2022-11-03 03:34:09,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:34:09,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:34:09,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:34:09,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:34:09,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:34:06" (1/3) ... [2022-11-03 03:34:09,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa8ff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:09, skipping insertion in model container [2022-11-03 03:34:09,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:07" (2/3) ... [2022-11-03 03:34:09,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa8ff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:09, skipping insertion in model container [2022-11-03 03:34:09,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:09" (3/3) ... [2022-11-03 03:34:09,716 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d32_e0.c [2022-11-03 03:34:09,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:34:09,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:34:09,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:34:09,800 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7db6f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:34:09,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:34:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:09,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:09,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:09,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:09,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1491409808, now seen corresponding path program 1 times [2022-11-03 03:34:09,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:09,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509454752] [2022-11-03 03:34:09,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:09,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:09,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:09,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:34:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:10,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 03:34:10,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 03:34:10,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:10,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:10,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509454752] [2022-11-03 03:34:10,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509454752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:10,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:10,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:34:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186911953] [2022-11-03 03:34:10,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:10,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:34:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:10,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:34:10,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:34:10,507 INFO L87 Difference]: Start difference. First operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:34:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:10,547 INFO L93 Difference]: Finished difference Result 496 states and 740 transitions. [2022-11-03 03:34:10,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:34:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2022-11-03 03:34:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:10,558 INFO L225 Difference]: With dead ends: 496 [2022-11-03 03:34:10,561 INFO L226 Difference]: Without dead ends: 247 [2022-11-03 03:34:10,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:34:10,568 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:10,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:34:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-03 03:34:10,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-03 03:34:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.4793388429752066) internal successors, (358), 242 states have internal predecessors, (358), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 364 transitions. [2022-11-03 03:34:10,619 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 364 transitions. Word has length 95 [2022-11-03 03:34:10,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:10,619 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 364 transitions. [2022-11-03 03:34:10,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:34:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 364 transitions. [2022-11-03 03:34:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:10,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:10,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:10,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:10,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:10,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:10,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash -654443862, now seen corresponding path program 1 times [2022-11-03 03:34:10,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:10,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639795053] [2022-11-03 03:34:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:10,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:10,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:34:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:11,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:11,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:11,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:11,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:11,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639795053] [2022-11-03 03:34:11,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639795053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:11,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:11,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:11,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536170572] [2022-11-03 03:34:11,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:11,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:11,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:11,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:11,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:11,784 INFO L87 Difference]: Start difference. First operand 247 states and 364 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:12,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:12,286 INFO L93 Difference]: Finished difference Result 984 states and 1457 transitions. [2022-11-03 03:34:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:12,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:12,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:12,291 INFO L225 Difference]: With dead ends: 984 [2022-11-03 03:34:12,291 INFO L226 Difference]: Without dead ends: 739 [2022-11-03 03:34:12,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:12,294 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2418 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:12,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 1463 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-03 03:34:12,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 249. [2022-11-03 03:34:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4754098360655739) internal successors, (360), 244 states have internal predecessors, (360), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2022-11-03 03:34:12,321 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 95 [2022-11-03 03:34:12,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:12,321 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2022-11-03 03:34:12,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2022-11-03 03:34:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:12,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:12,325 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:12,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:12,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:12,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash 299496296, now seen corresponding path program 1 times [2022-11-03 03:34:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:12,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100400612] [2022-11-03 03:34:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:12,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:12,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:34:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:13,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:13,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:13,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:13,229 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:13,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100400612] [2022-11-03 03:34:13,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100400612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:13,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:13,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:13,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027802] [2022-11-03 03:34:13,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:13,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:13,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:13,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:13,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:13,233 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:13,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:13,663 INFO L93 Difference]: Finished difference Result 990 states and 1463 transitions. [2022-11-03 03:34:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:13,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:13,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:13,667 INFO L225 Difference]: With dead ends: 990 [2022-11-03 03:34:13,667 INFO L226 Difference]: Without dead ends: 743 [2022-11-03 03:34:13,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:13,669 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2416 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:13,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-11-03 03:34:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 253. [2022-11-03 03:34:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 248 states have (on average 1.471774193548387) internal successors, (365), 248 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 371 transitions. [2022-11-03 03:34:13,686 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 371 transitions. Word has length 95 [2022-11-03 03:34:13,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:13,687 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 371 transitions. [2022-11-03 03:34:13,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 371 transitions. [2022-11-03 03:34:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:13,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:13,689 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:13,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:13,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:13,905 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:13,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:13,905 INFO L85 PathProgramCache]: Analyzing trace with hash 245103398, now seen corresponding path program 1 times [2022-11-03 03:34:13,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:13,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969763477] [2022-11-03 03:34:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:13,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:13,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:13,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:13,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 03:34:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:14,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:14,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:14,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:14,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:14,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969763477] [2022-11-03 03:34:14,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969763477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:14,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:14,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:14,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630236602] [2022-11-03 03:34:14,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:14,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:14,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:14,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:14,633 INFO L87 Difference]: Start difference. First operand 253 states and 371 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:15,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:15,052 INFO L93 Difference]: Finished difference Result 996 states and 1469 transitions. [2022-11-03 03:34:15,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:15,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:15,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:15,056 INFO L225 Difference]: With dead ends: 996 [2022-11-03 03:34:15,056 INFO L226 Difference]: Without dead ends: 745 [2022-11-03 03:34:15,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:15,058 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2417 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:15,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1453 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-03 03:34:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 255. [2022-11-03 03:34:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.468) internal successors, (367), 250 states have internal predecessors, (367), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 373 transitions. [2022-11-03 03:34:15,075 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 373 transitions. Word has length 95 [2022-11-03 03:34:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:15,075 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 373 transitions. [2022-11-03 03:34:15,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 373 transitions. [2022-11-03 03:34:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:15,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:15,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:15,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:15,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:15,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:15,298 INFO L85 PathProgramCache]: Analyzing trace with hash 924375652, now seen corresponding path program 1 times [2022-11-03 03:34:15,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:15,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940793422] [2022-11-03 03:34:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:15,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:15,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:15,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:34:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:15,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:15,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:15,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:15,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:15,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940793422] [2022-11-03 03:34:15,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940793422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:15,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:15,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:15,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174735708] [2022-11-03 03:34:15,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:15,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:15,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:15,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:15,948 INFO L87 Difference]: Start difference. First operand 255 states and 373 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:16,382 INFO L93 Difference]: Finished difference Result 1000 states and 1472 transitions. [2022-11-03 03:34:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:16,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:16,385 INFO L225 Difference]: With dead ends: 1000 [2022-11-03 03:34:16,385 INFO L226 Difference]: Without dead ends: 747 [2022-11-03 03:34:16,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:16,387 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2405 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:16,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-03 03:34:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 257. [2022-11-03 03:34:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4642857142857142) internal successors, (369), 252 states have internal predecessors, (369), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 375 transitions. [2022-11-03 03:34:16,425 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 375 transitions. Word has length 95 [2022-11-03 03:34:16,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:16,427 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 375 transitions. [2022-11-03 03:34:16,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 375 transitions. [2022-11-03 03:34:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:16,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:16,434 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:16,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:16,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:16,650 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:16,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1126199586, now seen corresponding path program 1 times [2022-11-03 03:34:16,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:16,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489430921] [2022-11-03 03:34:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:16,653 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:34:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:17,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:17,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:17,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:17,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:17,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489430921] [2022-11-03 03:34:17,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489430921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:17,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:17,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:17,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330538964] [2022-11-03 03:34:17,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:17,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:17,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:17,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:17,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:17,297 INFO L87 Difference]: Start difference. First operand 257 states and 375 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:17,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:17,629 INFO L93 Difference]: Finished difference Result 1004 states and 1475 transitions. [2022-11-03 03:34:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:17,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:17,638 INFO L225 Difference]: With dead ends: 1004 [2022-11-03 03:34:17,638 INFO L226 Difference]: Without dead ends: 749 [2022-11-03 03:34:17,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:17,641 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2405 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:17,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1520 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-11-03 03:34:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 259. [2022-11-03 03:34:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.4606299212598426) internal successors, (371), 254 states have internal predecessors, (371), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 377 transitions. [2022-11-03 03:34:17,660 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 377 transitions. Word has length 95 [2022-11-03 03:34:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:17,660 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 377 transitions. [2022-11-03 03:34:17,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 377 transitions. [2022-11-03 03:34:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:17,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:17,662 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:17,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:17,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:17,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:17,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:17,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1559928672, now seen corresponding path program 1 times [2022-11-03 03:34:17,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:17,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923335744] [2022-11-03 03:34:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:17,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 03:34:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:18,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:18,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:18,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:18,527 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:18,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923335744] [2022-11-03 03:34:18,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923335744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:18,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:18,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:18,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753526907] [2022-11-03 03:34:18,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:18,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:18,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:18,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:18,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:18,531 INFO L87 Difference]: Start difference. First operand 259 states and 377 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:18,948 INFO L93 Difference]: Finished difference Result 1008 states and 1478 transitions. [2022-11-03 03:34:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:18,951 INFO L225 Difference]: With dead ends: 1008 [2022-11-03 03:34:18,951 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 03:34:18,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:18,952 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2406 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:18,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 1451 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 03:34:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 261. [2022-11-03 03:34:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.45703125) internal successors, (373), 256 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 379 transitions. [2022-11-03 03:34:18,967 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 379 transitions. Word has length 95 [2022-11-03 03:34:18,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:18,968 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 379 transitions. [2022-11-03 03:34:18,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 379 transitions. [2022-11-03 03:34:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:18,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:18,970 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:18,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:19,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:19,188 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1600603422, now seen corresponding path program 1 times [2022-11-03 03:34:19,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:19,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080183968] [2022-11-03 03:34:19,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:19,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:19,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:19,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:19,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 03:34:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:19,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:19,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:19,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:19,810 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:19,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080183968] [2022-11-03 03:34:19,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080183968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:19,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:19,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669018524] [2022-11-03 03:34:19,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:19,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:19,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:19,811 INFO L87 Difference]: Start difference. First operand 261 states and 379 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:20,207 INFO L93 Difference]: Finished difference Result 1012 states and 1481 transitions. [2022-11-03 03:34:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:20,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:20,210 INFO L225 Difference]: With dead ends: 1012 [2022-11-03 03:34:20,210 INFO L226 Difference]: Without dead ends: 753 [2022-11-03 03:34:20,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:20,212 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 2400 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:20,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 1455 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-11-03 03:34:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 263. [2022-11-03 03:34:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.4534883720930232) internal successors, (375), 258 states have internal predecessors, (375), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 381 transitions. [2022-11-03 03:34:20,227 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 381 transitions. Word has length 95 [2022-11-03 03:34:20,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:20,227 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 381 transitions. [2022-11-03 03:34:20,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 381 transitions. [2022-11-03 03:34:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:20,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:20,229 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:20,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:20,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:20,444 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:20,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:20,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1818344868, now seen corresponding path program 1 times [2022-11-03 03:34:20,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:20,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89220488] [2022-11-03 03:34:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:20,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:20,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:20,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 03:34:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:20,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:20,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:21,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:21,037 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:21,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89220488] [2022-11-03 03:34:21,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89220488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:21,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:21,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:21,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217293657] [2022-11-03 03:34:21,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:21,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:21,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:21,039 INFO L87 Difference]: Start difference. First operand 263 states and 381 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:21,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:21,338 INFO L93 Difference]: Finished difference Result 1016 states and 1484 transitions. [2022-11-03 03:34:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:21,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:21,342 INFO L225 Difference]: With dead ends: 1016 [2022-11-03 03:34:21,342 INFO L226 Difference]: Without dead ends: 755 [2022-11-03 03:34:21,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:21,344 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 2387 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:21,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 1530 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:21,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-11-03 03:34:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 265. [2022-11-03 03:34:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 260 states have (on average 1.45) internal successors, (377), 260 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 383 transitions. [2022-11-03 03:34:21,361 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 383 transitions. Word has length 95 [2022-11-03 03:34:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:21,361 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 383 transitions. [2022-11-03 03:34:21,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 383 transitions. [2022-11-03 03:34:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:21,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:21,363 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:21,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:21,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:21,578 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:21,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:21,578 INFO L85 PathProgramCache]: Analyzing trace with hash -280004838, now seen corresponding path program 1 times [2022-11-03 03:34:21,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:21,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548892025] [2022-11-03 03:34:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:21,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:21,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:21,580 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:21,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 03:34:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:21,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:21,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:22,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:22,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:22,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548892025] [2022-11-03 03:34:22,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548892025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:22,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:22,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536468232] [2022-11-03 03:34:22,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:22,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:22,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:22,166 INFO L87 Difference]: Start difference. First operand 265 states and 383 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:22,586 INFO L93 Difference]: Finished difference Result 1020 states and 1487 transitions. [2022-11-03 03:34:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:22,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:22,589 INFO L225 Difference]: With dead ends: 1020 [2022-11-03 03:34:22,589 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 03:34:22,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:22,590 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2370 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:22,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 1478 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:22,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 03:34:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 267. [2022-11-03 03:34:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 262 states have internal predecessors, (379), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2022-11-03 03:34:22,607 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 95 [2022-11-03 03:34:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:22,607 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2022-11-03 03:34:22,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2022-11-03 03:34:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:22,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:22,609 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:22,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:22,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:22,823 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:22,824 INFO L85 PathProgramCache]: Analyzing trace with hash -761085096, now seen corresponding path program 1 times [2022-11-03 03:34:22,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:22,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939033420] [2022-11-03 03:34:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:22,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:22,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:22,826 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:22,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 03:34:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:23,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:23,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:23,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:23,459 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:23,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939033420] [2022-11-03 03:34:23,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939033420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:23,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:23,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444784191] [2022-11-03 03:34:23,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:23,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:23,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:23,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:23,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:23,462 INFO L87 Difference]: Start difference. First operand 267 states and 385 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:23,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:23,843 INFO L93 Difference]: Finished difference Result 1026 states and 1493 transitions. [2022-11-03 03:34:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:23,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:23,846 INFO L225 Difference]: With dead ends: 1026 [2022-11-03 03:34:23,846 INFO L226 Difference]: Without dead ends: 761 [2022-11-03 03:34:23,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:23,848 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2369 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:23,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 1477 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:23,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-03 03:34:23,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 271. [2022-11-03 03:34:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.443609022556391) internal successors, (384), 266 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 390 transitions. [2022-11-03 03:34:23,864 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 390 transitions. Word has length 95 [2022-11-03 03:34:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:23,865 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 390 transitions. [2022-11-03 03:34:23,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2022-11-03 03:34:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:23,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:23,866 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:23,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-03 03:34:24,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:24,081 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1167187606, now seen corresponding path program 1 times [2022-11-03 03:34:24,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:24,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907741911] [2022-11-03 03:34:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:24,083 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:24,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 03:34:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:24,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:24,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:24,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:24,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:24,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907741911] [2022-11-03 03:34:24,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907741911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:24,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:24,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:24,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161608276] [2022-11-03 03:34:24,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:24,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:24,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:24,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:24,694 INFO L87 Difference]: Start difference. First operand 271 states and 390 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:25,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:25,072 INFO L93 Difference]: Finished difference Result 1032 states and 1499 transitions. [2022-11-03 03:34:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:25,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:25,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:25,075 INFO L225 Difference]: With dead ends: 1032 [2022-11-03 03:34:25,075 INFO L226 Difference]: Without dead ends: 763 [2022-11-03 03:34:25,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:25,077 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2362 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:25,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 1476 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:25,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-11-03 03:34:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 273. [2022-11-03 03:34:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.4402985074626866) internal successors, (386), 268 states have internal predecessors, (386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 392 transitions. [2022-11-03 03:34:25,098 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 392 transitions. Word has length 95 [2022-11-03 03:34:25,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:25,098 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 392 transitions. [2022-11-03 03:34:25,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 392 transitions. [2022-11-03 03:34:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:25,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:25,100 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:25,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:25,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:25,314 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:25,315 INFO L85 PathProgramCache]: Analyzing trace with hash -882200236, now seen corresponding path program 1 times [2022-11-03 03:34:25,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:25,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361020216] [2022-11-03 03:34:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:25,317 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:25,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 03:34:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:25,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:25,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:25,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:25,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:25,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361020216] [2022-11-03 03:34:25,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361020216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:25,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:25,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:25,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492650321] [2022-11-03 03:34:25,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:25,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:25,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:25,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:25,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:25,916 INFO L87 Difference]: Start difference. First operand 273 states and 392 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:26,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:26,308 INFO L93 Difference]: Finished difference Result 1036 states and 1502 transitions. [2022-11-03 03:34:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:26,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:26,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:26,312 INFO L225 Difference]: With dead ends: 1036 [2022-11-03 03:34:26,312 INFO L226 Difference]: Without dead ends: 765 [2022-11-03 03:34:26,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:26,314 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 2355 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:26,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 1484 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-03 03:34:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 275. [2022-11-03 03:34:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4370370370370371) internal successors, (388), 270 states have internal predecessors, (388), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-11-03 03:34:26,333 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 95 [2022-11-03 03:34:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:26,333 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-11-03 03:34:26,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-11-03 03:34:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:26,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:26,335 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:26,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:26,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:26,548 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash -634053742, now seen corresponding path program 1 times [2022-11-03 03:34:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:26,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081111130] [2022-11-03 03:34:26,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:26,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:26,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:26,550 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:26,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 03:34:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:26,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:26,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:27,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:27,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:27,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081111130] [2022-11-03 03:34:27,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081111130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:27,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:27,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:27,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625644399] [2022-11-03 03:34:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:27,145 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:27,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:27,534 INFO L93 Difference]: Finished difference Result 1040 states and 1505 transitions. [2022-11-03 03:34:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:27,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:27,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:27,543 INFO L225 Difference]: With dead ends: 1040 [2022-11-03 03:34:27,543 INFO L226 Difference]: Without dead ends: 767 [2022-11-03 03:34:27,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:27,544 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 2347 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:27,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1506 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:27,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-11-03 03:34:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 277. [2022-11-03 03:34:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 272 states have (on average 1.4338235294117647) internal successors, (390), 272 states have internal predecessors, (390), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 396 transitions. [2022-11-03 03:34:27,563 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 396 transitions. Word has length 95 [2022-11-03 03:34:27,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:27,563 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 396 transitions. [2022-11-03 03:34:27,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2022-11-03 03:34:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:27,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:27,565 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:27,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-11-03 03:34:27,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:27,779 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:27,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:27,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2005861040, now seen corresponding path program 1 times [2022-11-03 03:34:27,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:27,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130517782] [2022-11-03 03:34:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:27,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:27,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:27,781 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:27,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 03:34:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:28,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:28,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:28,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:28,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:28,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130517782] [2022-11-03 03:34:28,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130517782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:28,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:28,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:28,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473604020] [2022-11-03 03:34:28,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:28,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:28,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:28,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:28,366 INFO L87 Difference]: Start difference. First operand 277 states and 396 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:28,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:28,763 INFO L93 Difference]: Finished difference Result 1044 states and 1508 transitions. [2022-11-03 03:34:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:28,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:28,766 INFO L225 Difference]: With dead ends: 1044 [2022-11-03 03:34:28,766 INFO L226 Difference]: Without dead ends: 769 [2022-11-03 03:34:28,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:28,767 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2344 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:28,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1490 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-11-03 03:34:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 279. [2022-11-03 03:34:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.4306569343065694) internal successors, (392), 274 states have internal predecessors, (392), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-03 03:34:28,787 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 95 [2022-11-03 03:34:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:28,788 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-03 03:34:28,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-03 03:34:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:28,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:28,789 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:28,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:29,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:29,004 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1259746958, now seen corresponding path program 1 times [2022-11-03 03:34:29,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:29,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709216338] [2022-11-03 03:34:29,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:29,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:29,007 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:29,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 03:34:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:29,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:29,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:29,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:29,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:29,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709216338] [2022-11-03 03:34:29,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709216338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:29,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:29,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852728261] [2022-11-03 03:34:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:29,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:29,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:29,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:29,596 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:29,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:29,866 INFO L93 Difference]: Finished difference Result 1048 states and 1511 transitions. [2022-11-03 03:34:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:29,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:29,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:29,870 INFO L225 Difference]: With dead ends: 1048 [2022-11-03 03:34:29,870 INFO L226 Difference]: Without dead ends: 771 [2022-11-03 03:34:29,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:29,872 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2346 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:29,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 1541 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:29,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-11-03 03:34:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 281. [2022-11-03 03:34:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 276 states have (on average 1.4275362318840579) internal successors, (394), 276 states have internal predecessors, (394), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 400 transitions. [2022-11-03 03:34:29,892 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 400 transitions. Word has length 95 [2022-11-03 03:34:29,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:29,893 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 400 transitions. [2022-11-03 03:34:29,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 400 transitions. [2022-11-03 03:34:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:29,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:29,894 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:29,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:30,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:30,109 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 865380172, now seen corresponding path program 1 times [2022-11-03 03:34:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141928576] [2022-11-03 03:34:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:30,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:30,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:30,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 03:34:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:30,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:30,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:30,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:30,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:30,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141928576] [2022-11-03 03:34:30,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141928576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:30,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:30,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:30,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806984356] [2022-11-03 03:34:30,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:30,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:30,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:30,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:30,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:30,739 INFO L87 Difference]: Start difference. First operand 281 states and 400 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:31,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:31,065 INFO L93 Difference]: Finished difference Result 1054 states and 1517 transitions. [2022-11-03 03:34:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:31,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:31,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:31,069 INFO L225 Difference]: With dead ends: 1054 [2022-11-03 03:34:31,069 INFO L226 Difference]: Without dead ends: 775 [2022-11-03 03:34:31,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:31,071 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2332 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:31,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 1519 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:31,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-03 03:34:31,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 285. [2022-11-03 03:34:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 280 states have (on average 1.425) internal successors, (399), 280 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2022-11-03 03:34:31,092 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 95 [2022-11-03 03:34:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:31,092 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2022-11-03 03:34:31,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2022-11-03 03:34:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:31,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:31,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:31,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:31,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:31,309 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:31,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1140139786, now seen corresponding path program 1 times [2022-11-03 03:34:31,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:31,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484011043] [2022-11-03 03:34:31,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:31,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:31,311 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:31,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 03:34:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:31,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:31,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:31,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:31,919 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:31,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484011043] [2022-11-03 03:34:31,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484011043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:31,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:31,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557369551] [2022-11-03 03:34:31,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:31,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:31,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:31,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:31,921 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:32,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:32,191 INFO L93 Difference]: Finished difference Result 1060 states and 1523 transitions. [2022-11-03 03:34:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:32,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:32,195 INFO L225 Difference]: With dead ends: 1060 [2022-11-03 03:34:32,195 INFO L226 Difference]: Without dead ends: 777 [2022-11-03 03:34:32,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:32,197 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2322 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:32,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1568 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-11-03 03:34:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 287. [2022-11-03 03:34:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.4219858156028369) internal successors, (401), 282 states have internal predecessors, (401), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 407 transitions. [2022-11-03 03:34:32,230 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 407 transitions. Word has length 95 [2022-11-03 03:34:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:32,230 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 407 transitions. [2022-11-03 03:34:32,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-11-03 03:34:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:32,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:32,232 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:32,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:32,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:32,443 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1162772040, now seen corresponding path program 1 times [2022-11-03 03:34:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:32,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432477241] [2022-11-03 03:34:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:32,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:32,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:32,445 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:32,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 03:34:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:32,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:32,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:33,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:33,023 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:33,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432477241] [2022-11-03 03:34:33,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432477241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:33,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:33,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:33,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983189618] [2022-11-03 03:34:33,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:33,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:33,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:33,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:33,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:33,025 INFO L87 Difference]: Start difference. First operand 287 states and 407 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:33,293 INFO L93 Difference]: Finished difference Result 1064 states and 1526 transitions. [2022-11-03 03:34:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:33,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:33,296 INFO L225 Difference]: With dead ends: 1064 [2022-11-03 03:34:33,297 INFO L226 Difference]: Without dead ends: 779 [2022-11-03 03:34:33,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:33,298 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2322 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:33,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1572 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:33,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2022-11-03 03:34:33,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 289. [2022-11-03 03:34:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 284 states have (on average 1.4190140845070423) internal successors, (403), 284 states have internal predecessors, (403), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 409 transitions. [2022-11-03 03:34:33,320 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 409 transitions. Word has length 95 [2022-11-03 03:34:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:33,320 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 409 transitions. [2022-11-03 03:34:33,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 409 transitions. [2022-11-03 03:34:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:33,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:33,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:33,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:33,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:33,536 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:33,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:33,537 INFO L85 PathProgramCache]: Analyzing trace with hash 653298950, now seen corresponding path program 1 times [2022-11-03 03:34:33,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:33,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822645895] [2022-11-03 03:34:33,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:33,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:33,539 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:33,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 03:34:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:33,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:33,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:34,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:34,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:34,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822645895] [2022-11-03 03:34:34,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822645895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:34,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:34,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716605942] [2022-11-03 03:34:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:34,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:34,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:34,173 INFO L87 Difference]: Start difference. First operand 289 states and 409 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:34,496 INFO L93 Difference]: Finished difference Result 1068 states and 1529 transitions. [2022-11-03 03:34:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:34,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:34,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:34,500 INFO L225 Difference]: With dead ends: 1068 [2022-11-03 03:34:34,500 INFO L226 Difference]: Without dead ends: 781 [2022-11-03 03:34:34,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:34,501 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2307 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:34,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 1546 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-11-03 03:34:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 291. [2022-11-03 03:34:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 286 states have (on average 1.416083916083916) internal successors, (405), 286 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2022-11-03 03:34:34,522 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 95 [2022-11-03 03:34:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:34,522 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2022-11-03 03:34:34,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:34,523 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2022-11-03 03:34:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:34,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:34,524 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:34,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:34,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:34,744 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:34,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:34,744 INFO L85 PathProgramCache]: Analyzing trace with hash 715338564, now seen corresponding path program 1 times [2022-11-03 03:34:34,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:34,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910661972] [2022-11-03 03:34:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:34,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:34,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:34,746 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:34,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 03:34:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:35,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:35,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:35,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:35,368 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:35,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910661972] [2022-11-03 03:34:35,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910661972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:35,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:35,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:35,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320637843] [2022-11-03 03:34:35,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:35,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:35,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:35,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:35,370 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:35,680 INFO L93 Difference]: Finished difference Result 1072 states and 1532 transitions. [2022-11-03 03:34:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:35,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:35,683 INFO L225 Difference]: With dead ends: 1072 [2022-11-03 03:34:35,683 INFO L226 Difference]: Without dead ends: 783 [2022-11-03 03:34:35,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:35,685 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 2319 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:35,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 1558 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:35,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-11-03 03:34:35,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 293. [2022-11-03 03:34:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 288 states have (on average 1.4131944444444444) internal successors, (407), 288 states have internal predecessors, (407), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 413 transitions. [2022-11-03 03:34:35,727 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 413 transitions. Word has length 95 [2022-11-03 03:34:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:35,728 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 413 transitions. [2022-11-03 03:34:35,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 413 transitions. [2022-11-03 03:34:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:35,732 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:35,733 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:35,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:35,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:35,947 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:35,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:35,948 INFO L85 PathProgramCache]: Analyzing trace with hash 581325058, now seen corresponding path program 1 times [2022-11-03 03:34:35,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:35,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846344870] [2022-11-03 03:34:35,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:35,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:35,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:35,949 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:35,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 03:34:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:36,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:36,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:36,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:36,564 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:36,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846344870] [2022-11-03 03:34:36,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846344870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:36,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:36,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:36,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577703285] [2022-11-03 03:34:36,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:36,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:36,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:36,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:36,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:36,566 INFO L87 Difference]: Start difference. First operand 293 states and 413 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:36,909 INFO L93 Difference]: Finished difference Result 1076 states and 1535 transitions. [2022-11-03 03:34:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:36,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:36,913 INFO L225 Difference]: With dead ends: 1076 [2022-11-03 03:34:36,913 INFO L226 Difference]: Without dead ends: 785 [2022-11-03 03:34:36,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:36,915 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2291 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:36,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1571 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-11-03 03:34:36,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 295. [2022-11-03 03:34:36,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 415 transitions. [2022-11-03 03:34:36,936 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 415 transitions. Word has length 95 [2022-11-03 03:34:36,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:36,936 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 415 transitions. [2022-11-03 03:34:36,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 415 transitions. [2022-11-03 03:34:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:36,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:36,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:36,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-11-03 03:34:37,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:37,138 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:37,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:37,138 INFO L85 PathProgramCache]: Analyzing trace with hash 800179776, now seen corresponding path program 1 times [2022-11-03 03:34:37,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:37,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435575416] [2022-11-03 03:34:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:37,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:37,140 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:37,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 03:34:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:37,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:37,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:37,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:37,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:37,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435575416] [2022-11-03 03:34:37,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435575416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:37,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:37,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:37,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952111088] [2022-11-03 03:34:37,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:37,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:37,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:37,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:37,747 INFO L87 Difference]: Start difference. First operand 295 states and 415 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:38,017 INFO L93 Difference]: Finished difference Result 1080 states and 1538 transitions. [2022-11-03 03:34:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:38,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:38,020 INFO L225 Difference]: With dead ends: 1080 [2022-11-03 03:34:38,021 INFO L226 Difference]: Without dead ends: 787 [2022-11-03 03:34:38,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:38,022 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 2297 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:38,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-03 03:34:38,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 297. [2022-11-03 03:34:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2022-11-03 03:34:38,047 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 95 [2022-11-03 03:34:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:38,047 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2022-11-03 03:34:38,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2022-11-03 03:34:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:38,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:38,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:38,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:38,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:38,263 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:38,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:38,263 INFO L85 PathProgramCache]: Analyzing trace with hash -17468674, now seen corresponding path program 1 times [2022-11-03 03:34:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:38,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556075786] [2022-11-03 03:34:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:38,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:38,265 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:38,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 03:34:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:38,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:38,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:38,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:38,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556075786] [2022-11-03 03:34:38,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556075786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:38,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:38,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155311180] [2022-11-03 03:34:38,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:38,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:38,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:38,856 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:39,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:39,177 INFO L93 Difference]: Finished difference Result 1084 states and 1541 transitions. [2022-11-03 03:34:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:39,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:39,181 INFO L225 Difference]: With dead ends: 1084 [2022-11-03 03:34:39,181 INFO L226 Difference]: Without dead ends: 789 [2022-11-03 03:34:39,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:39,183 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 2295 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:39,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 1561 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-03 03:34:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 299. [2022-11-03 03:34:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.4047619047619047) internal successors, (413), 294 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 419 transitions. [2022-11-03 03:34:39,208 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 419 transitions. Word has length 95 [2022-11-03 03:34:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:39,208 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 419 transitions. [2022-11-03 03:34:39,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 419 transitions. [2022-11-03 03:34:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:39,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:39,210 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:39,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:39,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:39,424 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:39,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2011613380, now seen corresponding path program 1 times [2022-11-03 03:34:39,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:39,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232711917] [2022-11-03 03:34:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:39,426 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 03:34:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:39,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:39,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:40,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:40,048 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232711917] [2022-11-03 03:34:40,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232711917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:40,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:40,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191309006] [2022-11-03 03:34:40,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:40,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:40,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:40,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:40,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:40,050 INFO L87 Difference]: Start difference. First operand 299 states and 419 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:40,310 INFO L93 Difference]: Finished difference Result 1090 states and 1547 transitions. [2022-11-03 03:34:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:40,313 INFO L225 Difference]: With dead ends: 1090 [2022-11-03 03:34:40,313 INFO L226 Difference]: Without dead ends: 793 [2022-11-03 03:34:40,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:40,315 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 2287 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:40,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 1579 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-11-03 03:34:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 303. [2022-11-03 03:34:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 298 states have (on average 1.4026845637583893) internal successors, (418), 298 states have internal predecessors, (418), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 424 transitions. [2022-11-03 03:34:40,341 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 424 transitions. Word has length 95 [2022-11-03 03:34:40,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:40,341 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 424 transitions. [2022-11-03 03:34:40,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 424 transitions. [2022-11-03 03:34:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:40,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:40,343 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:40,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:40,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:40,557 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:40,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1272236666, now seen corresponding path program 1 times [2022-11-03 03:34:40,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:40,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823091582] [2022-11-03 03:34:40,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:40,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:40,559 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:40,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 03:34:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:40,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:40,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:41,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:41,152 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:41,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823091582] [2022-11-03 03:34:41,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823091582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:41,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:41,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:41,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308023197] [2022-11-03 03:34:41,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:41,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:41,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:41,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:41,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:41,155 INFO L87 Difference]: Start difference. First operand 303 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:41,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:41,427 INFO L93 Difference]: Finished difference Result 1096 states and 1553 transitions. [2022-11-03 03:34:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:41,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:41,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:41,432 INFO L225 Difference]: With dead ends: 1096 [2022-11-03 03:34:41,432 INFO L226 Difference]: Without dead ends: 795 [2022-11-03 03:34:41,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:41,433 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2284 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:41,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 1585 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-11-03 03:34:41,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 305. [2022-11-03 03:34:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 300 states have (on average 1.4) internal successors, (420), 300 states have internal predecessors, (420), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 426 transitions. [2022-11-03 03:34:41,459 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 426 transitions. Word has length 95 [2022-11-03 03:34:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:41,459 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 426 transitions. [2022-11-03 03:34:41,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2022-11-03 03:34:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:41,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:41,461 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:41,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:41,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:41,675 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1530402104, now seen corresponding path program 1 times [2022-11-03 03:34:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:41,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410957744] [2022-11-03 03:34:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:41,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:41,677 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:41,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 03:34:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:42,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:42,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:42,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:42,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:42,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410957744] [2022-11-03 03:34:42,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410957744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:42,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:42,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:42,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245921778] [2022-11-03 03:34:42,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:42,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:42,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:42,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:42,266 INFO L87 Difference]: Start difference. First operand 305 states and 426 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:42,550 INFO L93 Difference]: Finished difference Result 1100 states and 1556 transitions. [2022-11-03 03:34:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:42,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:42,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:42,553 INFO L225 Difference]: With dead ends: 1100 [2022-11-03 03:34:42,553 INFO L226 Difference]: Without dead ends: 797 [2022-11-03 03:34:42,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:42,554 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2267 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:42,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1587 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:42,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-03 03:34:42,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 307. [2022-11-03 03:34:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 302 states have internal predecessors, (422), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2022-11-03 03:34:42,580 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 95 [2022-11-03 03:34:42,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:42,581 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2022-11-03 03:34:42,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2022-11-03 03:34:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:42,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:42,582 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:42,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-03 03:34:42,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:42,797 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1137375094, now seen corresponding path program 1 times [2022-11-03 03:34:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236827020] [2022-11-03 03:34:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:42,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:42,800 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:42,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 03:34:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:43,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:43,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:43,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:43,400 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:43,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236827020] [2022-11-03 03:34:43,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236827020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:43,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:43,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:43,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412762537] [2022-11-03 03:34:43,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:43,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:43,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:43,401 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:43,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:43,954 INFO L93 Difference]: Finished difference Result 1104 states and 1559 transitions. [2022-11-03 03:34:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:43,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:43,956 INFO L225 Difference]: With dead ends: 1104 [2022-11-03 03:34:43,956 INFO L226 Difference]: Without dead ends: 799 [2022-11-03 03:34:43,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:43,957 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 2263 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:43,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 1400 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:34:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-11-03 03:34:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 309. [2022-11-03 03:34:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 304 states have (on average 1.394736842105263) internal successors, (424), 304 states have internal predecessors, (424), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 430 transitions. [2022-11-03 03:34:43,983 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 430 transitions. Word has length 95 [2022-11-03 03:34:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:43,983 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 430 transitions. [2022-11-03 03:34:43,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 430 transitions. [2022-11-03 03:34:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:43,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:43,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:44,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:44,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:44,200 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash 328028468, now seen corresponding path program 1 times [2022-11-03 03:34:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:44,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405866150] [2022-11-03 03:34:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:44,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:44,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:44,202 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:44,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 03:34:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:44,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 03:34:44,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:44,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:44,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:44,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405866150] [2022-11-03 03:34:44,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405866150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:44,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:44,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:44,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150492113] [2022-11-03 03:34:44,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:44,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:44,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:44,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:44,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:44,826 INFO L87 Difference]: Start difference. First operand 309 states and 430 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:45,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:45,401 INFO L93 Difference]: Finished difference Result 1108 states and 1562 transitions. [2022-11-03 03:34:45,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:45,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:45,404 INFO L225 Difference]: With dead ends: 1108 [2022-11-03 03:34:45,404 INFO L226 Difference]: Without dead ends: 801 [2022-11-03 03:34:45,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:45,405 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2248 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:45,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 1428 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:34:45,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-03 03:34:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 311. [2022-11-03 03:34:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.392156862745098) internal successors, (426), 306 states have internal predecessors, (426), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 432 transitions. [2022-11-03 03:34:45,425 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 432 transitions. Word has length 95 [2022-11-03 03:34:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:45,426 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 432 transitions. [2022-11-03 03:34:45,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2022-11-03 03:34:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:45,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:45,427 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:45,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:45,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:45,642 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 385286770, now seen corresponding path program 1 times [2022-11-03 03:34:45,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:45,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155739627] [2022-11-03 03:34:45,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:45,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:45,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:45,644 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:45,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 03:34:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:46,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 03:34:46,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:46,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:46,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:46,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155739627] [2022-11-03 03:34:46,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155739627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:46,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:46,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:34:46,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425137506] [2022-11-03 03:34:46,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:46,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:34:46,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:46,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:34:46,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:34:46,471 INFO L87 Difference]: Start difference. First operand 311 states and 432 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:46,984 INFO L93 Difference]: Finished difference Result 893 states and 1217 transitions. [2022-11-03 03:34:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:34:46,985 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:46,989 INFO L225 Difference]: With dead ends: 893 [2022-11-03 03:34:46,989 INFO L226 Difference]: Without dead ends: 891 [2022-11-03 03:34:46,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:34:46,991 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2124 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:46,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 1604 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:34:46,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-03 03:34:47,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 447. [2022-11-03 03:34:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 442 states have internal predecessors, (601), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 607 transitions. [2022-11-03 03:34:47,030 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 607 transitions. Word has length 95 [2022-11-03 03:34:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:47,030 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 607 transitions. [2022-11-03 03:34:47,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 607 transitions. [2022-11-03 03:34:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:47,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:47,032 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:47,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:47,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:47,246 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:47,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:47,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1272509616, now seen corresponding path program 1 times [2022-11-03 03:34:47,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:47,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714449646] [2022-11-03 03:34:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:47,248 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:47,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 03:34:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:47,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:34:47,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:47,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:47,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:47,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714449646] [2022-11-03 03:34:47,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714449646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:47,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:47,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:34:47,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676579406] [2022-11-03 03:34:47,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:47,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:34:47,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:47,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:34:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:34:47,729 INFO L87 Difference]: Start difference. First operand 447 states and 607 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:47,835 INFO L93 Difference]: Finished difference Result 1202 states and 1647 transitions. [2022-11-03 03:34:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:34:47,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:47,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:47,838 INFO L225 Difference]: With dead ends: 1202 [2022-11-03 03:34:47,839 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 03:34:47,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:34:47,840 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 695 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:47,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1103 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:34:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 03:34:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 455. [2022-11-03 03:34:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 447 states have (on average 1.3557046979865772) internal successors, (606), 447 states have internal predecessors, (606), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:34:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 618 transitions. [2022-11-03 03:34:47,898 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 618 transitions. Word has length 95 [2022-11-03 03:34:47,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:47,898 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 618 transitions. [2022-11-03 03:34:47,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 618 transitions. [2022-11-03 03:34:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:34:47,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:47,902 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:47,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:48,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:48,116 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1116451161, now seen corresponding path program 1 times [2022-11-03 03:34:48,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:48,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786750050] [2022-11-03 03:34:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:48,120 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:48,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 03:34:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:48,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:34:48,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:34:49,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:34:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:34:49,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:49,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786750050] [2022-11-03 03:34:49,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786750050] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:34:49,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1030432406] [2022-11-03 03:34:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:49,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:34:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:34:49,527 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:34:49,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-03 03:34:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:50,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:34:50,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:34:50,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:50,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1030432406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:50,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:34:50,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:34:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267671003] [2022-11-03 03:34:50,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:34:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:34:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:34:50,996 INFO L87 Difference]: Start difference. First operand 455 states and 618 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:51,381 INFO L93 Difference]: Finished difference Result 2047 states and 2764 transitions. [2022-11-03 03:34:51,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:51,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:34:51,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:51,398 INFO L225 Difference]: With dead ends: 2047 [2022-11-03 03:34:51,398 INFO L226 Difference]: Without dead ends: 1602 [2022-11-03 03:34:51,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:34:51,400 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1649 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:51,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1420 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:51,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2022-11-03 03:34:51,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 731. [2022-11-03 03:34:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 723 states have (on average 1.330567081604426) internal successors, (962), 723 states have internal predecessors, (962), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:34:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 974 transitions. [2022-11-03 03:34:51,461 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 974 transitions. Word has length 346 [2022-11-03 03:34:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:51,461 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 974 transitions. [2022-11-03 03:34:51,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 974 transitions. [2022-11-03 03:34:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:34:51,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:51,465 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:51,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:51,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:51,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:51,875 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:51,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:51,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1176404393, now seen corresponding path program 1 times [2022-11-03 03:34:51,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:51,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238770269] [2022-11-03 03:34:51,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:51,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:51,877 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:51,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 03:34:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:52,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:34:52,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:34:53,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:53,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:53,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238770269] [2022-11-03 03:34:53,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238770269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:53,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:53,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:53,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257158598] [2022-11-03 03:34:53,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:53,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:53,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:53,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:53,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:53,292 INFO L87 Difference]: Start difference. First operand 731 states and 974 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:53,820 INFO L93 Difference]: Finished difference Result 3144 states and 4180 transitions. [2022-11-03 03:34:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:53,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:34:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:53,827 INFO L225 Difference]: With dead ends: 3144 [2022-11-03 03:34:53,827 INFO L226 Difference]: Without dead ends: 2423 [2022-11-03 03:34:53,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:34:53,829 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 943 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:53,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 2614 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 68 Unchecked, 0.4s Time] [2022-11-03 03:34:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-11-03 03:34:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1019. [2022-11-03 03:34:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1011 states have (on average 1.3194856577645895) internal successors, (1334), 1011 states have internal predecessors, (1334), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:34:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1346 transitions. [2022-11-03 03:34:53,894 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1346 transitions. Word has length 346 [2022-11-03 03:34:53,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:53,895 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1346 transitions. [2022-11-03 03:34:53,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1346 transitions. [2022-11-03 03:34:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:34:53,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:53,898 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:53,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:54,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:54,112 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:54,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:54,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1444973017, now seen corresponding path program 1 times [2022-11-03 03:34:54,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:54,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659050291] [2022-11-03 03:34:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:54,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:54,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:54,116 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:54,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 03:34:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:54,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:34:54,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:34:55,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:55,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:55,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659050291] [2022-11-03 03:34:55,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659050291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:55,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:55,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:55,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324697466] [2022-11-03 03:34:55,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:55,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:55,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:55,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:55,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:55,545 INFO L87 Difference]: Start difference. First operand 1019 states and 1346 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:56,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:56,079 INFO L93 Difference]: Finished difference Result 3140 states and 4173 transitions. [2022-11-03 03:34:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:56,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:34:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:56,085 INFO L225 Difference]: With dead ends: 3140 [2022-11-03 03:34:56,085 INFO L226 Difference]: Without dead ends: 2419 [2022-11-03 03:34:56,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:34:56,087 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1040 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:56,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2265 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 209 Invalid, 0 Unknown, 68 Unchecked, 0.4s Time] [2022-11-03 03:34:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-11-03 03:34:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 1023. [2022-11-03 03:34:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1015 states have (on average 1.3192118226600986) internal successors, (1339), 1015 states have internal predecessors, (1339), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:34:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1351 transitions. [2022-11-03 03:34:56,153 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1351 transitions. Word has length 346 [2022-11-03 03:34:56,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:56,153 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1351 transitions. [2022-11-03 03:34:56,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1351 transitions. [2022-11-03 03:34:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:34:56,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:56,157 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:56,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:56,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:56,380 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:56,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:56,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1797629531, now seen corresponding path program 1 times [2022-11-03 03:34:56,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:56,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334526306] [2022-11-03 03:34:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:56,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:56,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:56,383 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:56,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 03:34:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:57,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:34:57,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:34:57,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:57,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:57,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334526306] [2022-11-03 03:34:57,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334526306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:57,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:57,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534440968] [2022-11-03 03:34:57,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:57,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:57,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:57,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:57,826 INFO L87 Difference]: Start difference. First operand 1023 states and 1351 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:58,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:58,316 INFO L93 Difference]: Finished difference Result 3136 states and 4166 transitions. [2022-11-03 03:34:58,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:58,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:34:58,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:58,322 INFO L225 Difference]: With dead ends: 3136 [2022-11-03 03:34:58,322 INFO L226 Difference]: Without dead ends: 2415 [2022-11-03 03:34:58,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:34:58,324 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 910 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:58,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2596 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 70 Unchecked, 0.4s Time] [2022-11-03 03:34:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-11-03 03:34:58,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1027. [2022-11-03 03:34:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1019 states have (on average 1.3189401373895977) internal successors, (1344), 1019 states have internal predecessors, (1344), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:34:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1356 transitions. [2022-11-03 03:34:58,415 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1356 transitions. Word has length 346 [2022-11-03 03:34:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:58,415 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1356 transitions. [2022-11-03 03:34:58,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:34:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1356 transitions. [2022-11-03 03:34:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:34:58,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:58,421 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:58,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:58,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:58,635 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:58,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:58,636 INFO L85 PathProgramCache]: Analyzing trace with hash 681661405, now seen corresponding path program 1 times [2022-11-03 03:34:58,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:58,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517723754] [2022-11-03 03:34:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:58,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:58,640 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:58,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-03 03:34:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:59,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:34:59,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:00,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:00,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:00,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517723754] [2022-11-03 03:35:00,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517723754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:00,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:00,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:00,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934044455] [2022-11-03 03:35:00,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:00,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:00,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:00,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:00,198 INFO L87 Difference]: Start difference. First operand 1027 states and 1356 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:00,711 INFO L93 Difference]: Finished difference Result 3128 states and 4153 transitions. [2022-11-03 03:35:00,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:00,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:00,716 INFO L225 Difference]: With dead ends: 3128 [2022-11-03 03:35:00,716 INFO L226 Difference]: Without dead ends: 2407 [2022-11-03 03:35:00,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:00,718 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 877 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:00,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2584 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 104 Unchecked, 0.4s Time] [2022-11-03 03:35:00,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-11-03 03:35:00,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1035. [2022-11-03 03:35:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1027 states have (on average 1.3193768257059397) internal successors, (1355), 1027 states have internal predecessors, (1355), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1367 transitions. [2022-11-03 03:35:00,783 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1367 transitions. Word has length 346 [2022-11-03 03:35:00,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:00,784 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1367 transitions. [2022-11-03 03:35:00,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1367 transitions. [2022-11-03 03:35:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:00,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:00,788 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:00,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:01,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:01,012 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1759796385, now seen corresponding path program 1 times [2022-11-03 03:35:01,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:01,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389053546] [2022-11-03 03:35:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:01,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:01,015 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:01,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 03:35:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:01,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:01,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:02,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:02,530 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:02,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389053546] [2022-11-03 03:35:02,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389053546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:02,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:02,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:02,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216029828] [2022-11-03 03:35:02,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:02,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:02,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:02,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:02,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:02,536 INFO L87 Difference]: Start difference. First operand 1035 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:03,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:03,030 INFO L93 Difference]: Finished difference Result 3157 states and 4194 transitions. [2022-11-03 03:35:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:03,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:03,035 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:03,035 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:03,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:03,037 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 900 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:03,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 2613 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 76 Unchecked, 0.4s Time] [2022-11-03 03:35:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:03,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1039. [2022-11-03 03:35:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1031 states have (on average 1.3191076624636275) internal successors, (1360), 1031 states have internal predecessors, (1360), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1372 transitions. [2022-11-03 03:35:03,103 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1372 transitions. Word has length 346 [2022-11-03 03:35:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:03,104 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1372 transitions. [2022-11-03 03:35:03,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1372 transitions. [2022-11-03 03:35:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:03,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:03,108 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:03,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:03,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:03,331 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1184760801, now seen corresponding path program 1 times [2022-11-03 03:35:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:03,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954953121] [2022-11-03 03:35:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:03,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:03,334 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:03,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-03 03:35:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:04,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:04,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:04,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:04,904 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:04,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954953121] [2022-11-03 03:35:04,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954953121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:04,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:04,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:04,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748447683] [2022-11-03 03:35:04,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:04,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:04,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:04,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:04,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:04,909 INFO L87 Difference]: Start difference. First operand 1039 states and 1372 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:05,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:05,388 INFO L93 Difference]: Finished difference Result 3157 states and 4193 transitions. [2022-11-03 03:35:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:05,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:05,392 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:05,392 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:05,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:05,393 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 890 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:05,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2622 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 77 Unchecked, 0.4s Time] [2022-11-03 03:35:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:05,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1043. [2022-11-03 03:35:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1035 states have (on average 1.318840579710145) internal successors, (1365), 1035 states have internal predecessors, (1365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1377 transitions. [2022-11-03 03:35:05,463 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1377 transitions. Word has length 346 [2022-11-03 03:35:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:05,464 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1377 transitions. [2022-11-03 03:35:05,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1377 transitions. [2022-11-03 03:35:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:05,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:05,468 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:05,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:05,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:05,692 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash -673647261, now seen corresponding path program 1 times [2022-11-03 03:35:05,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:05,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088030394] [2022-11-03 03:35:05,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:05,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:05,696 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:05,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-03 03:35:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:06,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:06,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:07,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:07,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:07,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088030394] [2022-11-03 03:35:07,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088030394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:07,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:07,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:07,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810335913] [2022-11-03 03:35:07,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:07,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:07,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:07,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:07,254 INFO L87 Difference]: Start difference. First operand 1043 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:07,762 INFO L93 Difference]: Finished difference Result 3157 states and 4192 transitions. [2022-11-03 03:35:07,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:07,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:07,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:07,772 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:07,772 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:07,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:07,775 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 991 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:07,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2305 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 137 Unchecked, 0.4s Time] [2022-11-03 03:35:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1047. [2022-11-03 03:35:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1039 states have (on average 1.318575553416747) internal successors, (1370), 1039 states have internal predecessors, (1370), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1382 transitions. [2022-11-03 03:35:07,854 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1382 transitions. Word has length 346 [2022-11-03 03:35:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:07,855 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1382 transitions. [2022-11-03 03:35:07,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1382 transitions. [2022-11-03 03:35:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:07,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:07,859 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:07,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:08,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:08,075 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:08,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash -675481627, now seen corresponding path program 1 times [2022-11-03 03:35:08,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:08,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17249459] [2022-11-03 03:35:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:08,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:08,078 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:08,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 03:35:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:08,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:08,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:09,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:09,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:09,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17249459] [2022-11-03 03:35:09,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17249459] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:09,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1301424257] [2022-11-03 03:35:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:09,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:09,475 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:09,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-03 03:35:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:10,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:10,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:10,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:10,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1301424257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:10,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:10,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173718116] [2022-11-03 03:35:10,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:10,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:10,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:10,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:10,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:10,937 INFO L87 Difference]: Start difference. First operand 1047 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:11,315 INFO L93 Difference]: Finished difference Result 2701 states and 3612 transitions. [2022-11-03 03:35:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:11,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:11,319 INFO L225 Difference]: With dead ends: 2701 [2022-11-03 03:35:11,320 INFO L226 Difference]: Without dead ends: 1980 [2022-11-03 03:35:11,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:11,321 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 1614 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:11,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 1460 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:11,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-03 03:35:11,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1109. [2022-11-03 03:35:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1101 states have (on average 1.3215258855585832) internal successors, (1455), 1101 states have internal predecessors, (1455), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1467 transitions. [2022-11-03 03:35:11,382 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1467 transitions. Word has length 346 [2022-11-03 03:35:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:11,383 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1467 transitions. [2022-11-03 03:35:11,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1467 transitions. [2022-11-03 03:35:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:11,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:11,387 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:11,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:11,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2022-11-03 03:35:11,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:11,806 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:11,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash -921289501, now seen corresponding path program 1 times [2022-11-03 03:35:11,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:11,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772626783] [2022-11-03 03:35:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:11,809 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:11,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-03 03:35:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:12,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:12,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:13,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:13,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:13,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772626783] [2022-11-03 03:35:13,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772626783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:13,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:13,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188484789] [2022-11-03 03:35:13,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:13,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:13,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:13,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:13,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:13,384 INFO L87 Difference]: Start difference. First operand 1109 states and 1467 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:13,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:13,891 INFO L93 Difference]: Finished difference Result 3208 states and 4259 transitions. [2022-11-03 03:35:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:13,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:13,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:13,895 INFO L225 Difference]: With dead ends: 3208 [2022-11-03 03:35:13,895 INFO L226 Difference]: Without dead ends: 2455 [2022-11-03 03:35:13,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:13,897 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 921 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:13,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2230 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 135 Unchecked, 0.4s Time] [2022-11-03 03:35:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-11-03 03:35:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1115. [2022-11-03 03:35:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1107 states have (on average 1.3206865401987353) internal successors, (1462), 1107 states have internal predecessors, (1462), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1474 transitions. [2022-11-03 03:35:13,959 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1474 transitions. Word has length 346 [2022-11-03 03:35:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:13,959 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1474 transitions. [2022-11-03 03:35:13,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1474 transitions. [2022-11-03 03:35:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:13,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:13,963 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:13,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:14,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:14,188 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:14,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:14,188 INFO L85 PathProgramCache]: Analyzing trace with hash -791424923, now seen corresponding path program 1 times [2022-11-03 03:35:14,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:14,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998576653] [2022-11-03 03:35:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:14,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:14,192 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:14,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 03:35:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:15,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:15,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:15,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:15,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:15,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998576653] [2022-11-03 03:35:15,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998576653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:15,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:15,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:15,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237275397] [2022-11-03 03:35:15,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:15,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:15,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:15,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:15,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:15,753 INFO L87 Difference]: Start difference. First operand 1115 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:16,255 INFO L93 Difference]: Finished difference Result 3285 states and 4371 transitions. [2022-11-03 03:35:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:16,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:16,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:16,259 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:16,259 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:16,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:16,261 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 857 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:16,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2668 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 108 Unchecked, 0.4s Time] [2022-11-03 03:35:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:16,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1119. [2022-11-03 03:35:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1111 states have (on average 1.3204320432043204) internal successors, (1467), 1111 states have internal predecessors, (1467), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1479 transitions. [2022-11-03 03:35:16,321 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1479 transitions. Word has length 346 [2022-11-03 03:35:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:16,322 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1479 transitions. [2022-11-03 03:35:16,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1479 transitions. [2022-11-03 03:35:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:16,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:16,326 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:16,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:16,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:16,547 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1512344345, now seen corresponding path program 1 times [2022-11-03 03:35:16,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:16,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363312097] [2022-11-03 03:35:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:16,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:16,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:16,552 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-03 03:35:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:17,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:18,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:18,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:18,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363312097] [2022-11-03 03:35:18,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363312097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:18,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:18,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:18,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460581803] [2022-11-03 03:35:18,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:18,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:18,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:18,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:18,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:18,202 INFO L87 Difference]: Start difference. First operand 1119 states and 1479 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:18,722 INFO L93 Difference]: Finished difference Result 3200 states and 4245 transitions. [2022-11-03 03:35:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:18,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:18,727 INFO L225 Difference]: With dead ends: 3200 [2022-11-03 03:35:18,727 INFO L226 Difference]: Without dead ends: 2447 [2022-11-03 03:35:18,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:18,729 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 888 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:18,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2211 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 67 Unchecked, 0.4s Time] [2022-11-03 03:35:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-11-03 03:35:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1123. [2022-11-03 03:35:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1115 states have (on average 1.3201793721973094) internal successors, (1472), 1115 states have internal predecessors, (1472), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1484 transitions. [2022-11-03 03:35:18,798 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1484 transitions. Word has length 346 [2022-11-03 03:35:18,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:18,798 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1484 transitions. [2022-11-03 03:35:18,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:18,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1484 transitions. [2022-11-03 03:35:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:18,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:18,802 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:18,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:19,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:19,024 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1507699305, now seen corresponding path program 1 times [2022-11-03 03:35:19,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:19,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205844637] [2022-11-03 03:35:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:19,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:19,028 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:19,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 03:35:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:19,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:19,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:20,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:20,731 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:20,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205844637] [2022-11-03 03:35:20,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205844637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:20,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:20,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:20,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361367832] [2022-11-03 03:35:20,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:20,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:20,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:20,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:20,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:20,733 INFO L87 Difference]: Start difference. First operand 1123 states and 1484 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:21,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:21,234 INFO L93 Difference]: Finished difference Result 3285 states and 4369 transitions. [2022-11-03 03:35:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:21,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:21,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:21,237 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:21,237 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:21,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:21,241 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 824 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:21,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2718 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 122 Unchecked, 0.4s Time] [2022-11-03 03:35:21,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:21,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1131. [2022-11-03 03:35:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1123 states have (on average 1.3205699020480854) internal successors, (1483), 1123 states have internal predecessors, (1483), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1495 transitions. [2022-11-03 03:35:21,318 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1495 transitions. Word has length 346 [2022-11-03 03:35:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:21,319 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1495 transitions. [2022-11-03 03:35:21,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1495 transitions. [2022-11-03 03:35:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:21,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:21,323 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:21,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:21,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:21,546 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash -773422613, now seen corresponding path program 1 times [2022-11-03 03:35:21,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:21,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410807197] [2022-11-03 03:35:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:21,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:21,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:21,551 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:21,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-03 03:35:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:22,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:22,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:23,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:23,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:23,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410807197] [2022-11-03 03:35:23,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410807197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:23,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:23,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:23,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113803158] [2022-11-03 03:35:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:23,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:23,238 INFO L87 Difference]: Start difference. First operand 1131 states and 1495 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:23,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:23,778 INFO L93 Difference]: Finished difference Result 3285 states and 4368 transitions. [2022-11-03 03:35:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:23,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:23,780 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:23,780 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:23,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:23,782 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 814 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:23,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2725 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 99 Unchecked, 0.4s Time] [2022-11-03 03:35:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1135. [2022-11-03 03:35:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1127 states have (on average 1.3203194321206744) internal successors, (1488), 1127 states have internal predecessors, (1488), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1500 transitions. [2022-11-03 03:35:23,829 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1500 transitions. Word has length 346 [2022-11-03 03:35:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:23,830 INFO L495 AbstractCegarLoop]: Abstraction has 1135 states and 1500 transitions. [2022-11-03 03:35:23,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1500 transitions. [2022-11-03 03:35:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:23,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:23,834 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:23,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Ended with exit code 0 [2022-11-03 03:35:24,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:24,056 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:24,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:24,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1736141421, now seen corresponding path program 1 times [2022-11-03 03:35:24,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:24,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729848373] [2022-11-03 03:35:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:24,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:24,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:24,060 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 03:35:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:24,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:24,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:25,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:25,759 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:25,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729848373] [2022-11-03 03:35:25,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729848373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:25,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:25,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:25,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086250250] [2022-11-03 03:35:25,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:25,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:25,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:25,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:25,761 INFO L87 Difference]: Start difference. First operand 1135 states and 1500 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:26,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:26,207 INFO L93 Difference]: Finished difference Result 3184 states and 4218 transitions. [2022-11-03 03:35:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:26,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:26,210 INFO L225 Difference]: With dead ends: 3184 [2022-11-03 03:35:26,211 INFO L226 Difference]: Without dead ends: 2431 [2022-11-03 03:35:26,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:26,213 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 820 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:26,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2193 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 91 Unchecked, 0.3s Time] [2022-11-03 03:35:26,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2022-11-03 03:35:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1139. [2022-11-03 03:35:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1131 states have internal predecessors, (1493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1505 transitions. [2022-11-03 03:35:26,274 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1505 transitions. Word has length 346 [2022-11-03 03:35:26,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:26,275 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1505 transitions. [2022-11-03 03:35:26,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1505 transitions. [2022-11-03 03:35:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:26,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:26,278 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:26,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Ended with exit code 0 [2022-11-03 03:35:26,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:26,499 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:26,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1655905297, now seen corresponding path program 1 times [2022-11-03 03:35:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:26,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204280198] [2022-11-03 03:35:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:26,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:26,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:26,503 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:26,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-11-03 03:35:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:27,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:27,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:28,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:28,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:28,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204280198] [2022-11-03 03:35:28,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204280198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:28,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:28,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:28,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527091339] [2022-11-03 03:35:28,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:28,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:28,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:28,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:28,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:28,509 INFO L87 Difference]: Start difference. First operand 1139 states and 1505 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:29,082 INFO L93 Difference]: Finished difference Result 3285 states and 4366 transitions. [2022-11-03 03:35:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:29,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:29,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:29,084 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:29,084 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:29,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:29,086 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 793 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:29,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2751 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 69 Unchecked, 0.4s Time] [2022-11-03 03:35:29,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1143. [2022-11-03 03:35:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1135 states have (on average 1.3198237885462556) internal successors, (1498), 1135 states have internal predecessors, (1498), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1510 transitions. [2022-11-03 03:35:29,131 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1510 transitions. Word has length 346 [2022-11-03 03:35:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:29,131 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1510 transitions. [2022-11-03 03:35:29,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1510 transitions. [2022-11-03 03:35:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:29,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:29,134 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:29,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-11-03 03:35:29,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:29,347 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:29,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:29,348 INFO L85 PathProgramCache]: Analyzing trace with hash -498373007, now seen corresponding path program 1 times [2022-11-03 03:35:29,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:29,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149827878] [2022-11-03 03:35:29,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:29,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:29,350 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-11-03 03:35:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:30,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:30,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:30,876 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:30,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149827878] [2022-11-03 03:35:30,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149827878] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:30,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [525294030] [2022-11-03 03:35:30,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:30,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:30,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:30,878 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:30,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2022-11-03 03:35:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:32,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:32,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:32,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:32,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [525294030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:32,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:32,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:32,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531725956] [2022-11-03 03:35:32,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:32,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:32,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:32,391 INFO L87 Difference]: Start difference. First operand 1143 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:32,719 INFO L93 Difference]: Finished difference Result 2829 states and 3786 transitions. [2022-11-03 03:35:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:32,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:32,721 INFO L225 Difference]: With dead ends: 2829 [2022-11-03 03:35:32,722 INFO L226 Difference]: Without dead ends: 2076 [2022-11-03 03:35:32,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:32,723 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1585 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:32,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1493 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-11-03 03:35:32,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1205. [2022-11-03 03:35:32,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.3224728487886384) internal successors, (1583), 1197 states have internal predecessors, (1583), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1595 transitions. [2022-11-03 03:35:32,764 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1595 transitions. Word has length 346 [2022-11-03 03:35:32,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:32,765 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1595 transitions. [2022-11-03 03:35:32,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1595 transitions. [2022-11-03 03:35:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:32,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:32,769 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:32,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:32,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:33,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:33,183 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2038967151, now seen corresponding path program 1 times [2022-11-03 03:35:33,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:33,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401235358] [2022-11-03 03:35:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:33,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:33,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:33,187 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:33,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2022-11-03 03:35:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:34,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:34,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:34,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:34,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:34,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401235358] [2022-11-03 03:35:34,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401235358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:34,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:34,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605133187] [2022-11-03 03:35:34,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:34,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:34,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:34,947 INFO L87 Difference]: Start difference. First operand 1205 states and 1595 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:35,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:35,505 INFO L93 Difference]: Finished difference Result 3413 states and 4546 transitions. [2022-11-03 03:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:35,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:35,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:35,508 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:35:35,508 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:35:35,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:35,509 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 893 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:35,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2442 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 244 Invalid, 0 Unknown, 135 Unchecked, 0.4s Time] [2022-11-03 03:35:35,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:35:35,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1211. [2022-11-03 03:35:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1203 states have (on average 1.3216957605985038) internal successors, (1590), 1203 states have internal predecessors, (1590), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1602 transitions. [2022-11-03 03:35:35,547 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1602 transitions. Word has length 346 [2022-11-03 03:35:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:35,547 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1602 transitions. [2022-11-03 03:35:35,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1602 transitions. [2022-11-03 03:35:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:35,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:35,550 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:35,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:35,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:35,765 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:35,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1222919921, now seen corresponding path program 1 times [2022-11-03 03:35:35,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:35,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116943083] [2022-11-03 03:35:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:35,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:35,769 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:35,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2022-11-03 03:35:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:36,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:36,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:37,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:37,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:37,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116943083] [2022-11-03 03:35:37,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116943083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:37,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:37,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:37,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904762497] [2022-11-03 03:35:37,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:37,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:37,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:37,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:37,534 INFO L87 Difference]: Start difference. First operand 1211 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:38,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:38,065 INFO L93 Difference]: Finished difference Result 3413 states and 4545 transitions. [2022-11-03 03:35:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:38,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:38,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:38,067 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:35:38,067 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:35:38,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:38,069 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 882 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:38,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 2460 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 153 Unchecked, 0.4s Time] [2022-11-03 03:35:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:35:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1215. [2022-11-03 03:35:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1207 states have (on average 1.3214581607290803) internal successors, (1595), 1207 states have internal predecessors, (1595), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1607 transitions. [2022-11-03 03:35:38,156 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1607 transitions. Word has length 346 [2022-11-03 03:35:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:38,156 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1607 transitions. [2022-11-03 03:35:38,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1607 transitions. [2022-11-03 03:35:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:38,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:38,160 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:38,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:38,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:38,369 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1242461043, now seen corresponding path program 1 times [2022-11-03 03:35:38,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:38,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095367974] [2022-11-03 03:35:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:38,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:38,374 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:38,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2022-11-03 03:35:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:39,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:39,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:40,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:40,177 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:40,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095367974] [2022-11-03 03:35:40,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095367974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:40,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:40,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:40,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540141511] [2022-11-03 03:35:40,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:40,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:40,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:40,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:40,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:40,179 INFO L87 Difference]: Start difference. First operand 1215 states and 1607 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:40,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:40,691 INFO L93 Difference]: Finished difference Result 3413 states and 4544 transitions. [2022-11-03 03:35:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:40,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:40,695 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:35:40,695 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:35:40,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:40,697 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 871 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:40,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2471 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 86 Unchecked, 0.4s Time] [2022-11-03 03:35:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:35:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1219. [2022-11-03 03:35:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1211 states have (on average 1.3212221304706855) internal successors, (1600), 1211 states have internal predecessors, (1600), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1612 transitions. [2022-11-03 03:35:40,738 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1612 transitions. Word has length 346 [2022-11-03 03:35:40,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:40,738 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1612 transitions. [2022-11-03 03:35:40,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1612 transitions. [2022-11-03 03:35:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:40,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:40,741 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:40,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:40,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:40,942 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:40,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1891053813, now seen corresponding path program 1 times [2022-11-03 03:35:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:40,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401814941] [2022-11-03 03:35:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:40,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:40,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:40,944 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:40,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2022-11-03 03:35:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:41,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:41,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:42,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:42,785 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:42,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401814941] [2022-11-03 03:35:42,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401814941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:42,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:42,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:42,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116527203] [2022-11-03 03:35:42,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:42,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:42,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:42,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:42,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:42,789 INFO L87 Difference]: Start difference. First operand 1219 states and 1612 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:43,321 INFO L93 Difference]: Finished difference Result 3413 states and 4543 transitions. [2022-11-03 03:35:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:43,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:43,323 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:35:43,323 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:35:43,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:43,325 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 850 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:43,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 2505 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 133 Unchecked, 0.4s Time] [2022-11-03 03:35:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:35:43,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1227. [2022-11-03 03:35:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1219 states have (on average 1.3215750615258408) internal successors, (1611), 1219 states have internal predecessors, (1611), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1623 transitions. [2022-11-03 03:35:43,402 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1623 transitions. Word has length 346 [2022-11-03 03:35:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:43,402 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1623 transitions. [2022-11-03 03:35:43,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1623 transitions. [2022-11-03 03:35:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:43,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:43,406 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:43,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:43,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:43,628 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1905356681, now seen corresponding path program 1 times [2022-11-03 03:35:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:43,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706365429] [2022-11-03 03:35:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:43,631 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:43,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2022-11-03 03:35:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:44,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:44,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:45,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:45,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:45,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706365429] [2022-11-03 03:35:45,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706365429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:45,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:45,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:45,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864928580] [2022-11-03 03:35:45,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:45,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:45,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:45,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:45,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:45,557 INFO L87 Difference]: Start difference. First operand 1227 states and 1623 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:46,027 INFO L93 Difference]: Finished difference Result 3252 states and 4304 transitions. [2022-11-03 03:35:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:46,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:46,030 INFO L225 Difference]: With dead ends: 3252 [2022-11-03 03:35:46,030 INFO L226 Difference]: Without dead ends: 2467 [2022-11-03 03:35:46,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:46,031 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 591 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:46,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 2477 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 87 Unchecked, 0.4s Time] [2022-11-03 03:35:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2022-11-03 03:35:46,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1231. [2022-11-03 03:35:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1223 states have (on average 1.321340964840556) internal successors, (1616), 1223 states have internal predecessors, (1616), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1628 transitions. [2022-11-03 03:35:46,072 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1628 transitions. Word has length 346 [2022-11-03 03:35:46,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:46,072 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1628 transitions. [2022-11-03 03:35:46,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1628 transitions. [2022-11-03 03:35:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:46,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:46,075 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:46,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Ended with exit code 0 [2022-11-03 03:35:46,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:46,275 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1237974791, now seen corresponding path program 1 times [2022-11-03 03:35:46,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:46,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654602899] [2022-11-03 03:35:46,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:46,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:46,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:46,278 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2022-11-03 03:35:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:47,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:47,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:48,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:48,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:48,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654602899] [2022-11-03 03:35:48,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654602899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:48,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:48,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:48,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337357155] [2022-11-03 03:35:48,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:48,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:48,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:48,142 INFO L87 Difference]: Start difference. First operand 1231 states and 1628 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:48,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:48,688 INFO L93 Difference]: Finished difference Result 3413 states and 4541 transitions. [2022-11-03 03:35:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:48,690 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:35:48,690 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:35:48,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:48,692 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 828 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 107 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:48,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 2531 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 255 Invalid, 0 Unknown, 107 Unchecked, 0.4s Time] [2022-11-03 03:35:48,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:35:48,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1235. [2022-11-03 03:35:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1227 states have (on average 1.3211083944580277) internal successors, (1621), 1227 states have internal predecessors, (1621), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1633 transitions. [2022-11-03 03:35:48,735 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1633 transitions. Word has length 346 [2022-11-03 03:35:48,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:48,735 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1633 transitions. [2022-11-03 03:35:48,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1633 transitions. [2022-11-03 03:35:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:48,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:48,739 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:48,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:48,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:48,940 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:48,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:48,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1287520891, now seen corresponding path program 1 times [2022-11-03 03:35:48,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:48,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368372557] [2022-11-03 03:35:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:48,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:48,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:48,942 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:48,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2022-11-03 03:35:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:49,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:49,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:50,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:50,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:50,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368372557] [2022-11-03 03:35:50,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368372557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:50,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:50,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:50,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645848053] [2022-11-03 03:35:50,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:50,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:50,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:50,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:50,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:50,805 INFO L87 Difference]: Start difference. First operand 1235 states and 1633 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:51,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:51,260 INFO L93 Difference]: Finished difference Result 3244 states and 4290 transitions. [2022-11-03 03:35:51,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:51,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:51,262 INFO L225 Difference]: With dead ends: 3244 [2022-11-03 03:35:51,262 INFO L226 Difference]: Without dead ends: 2459 [2022-11-03 03:35:51,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:51,263 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 556 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:51,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2470 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 67 Unchecked, 0.3s Time] [2022-11-03 03:35:51,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-11-03 03:35:51,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 1239. [2022-11-03 03:35:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1231 states have (on average 1.3208773354995937) internal successors, (1626), 1231 states have internal predecessors, (1626), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1638 transitions. [2022-11-03 03:35:51,306 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1638 transitions. Word has length 346 [2022-11-03 03:35:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:51,306 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1638 transitions. [2022-11-03 03:35:51,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1638 transitions. [2022-11-03 03:35:51,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:51,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:51,308 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:51,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:51,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:51,509 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:51,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:51,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1560865539, now seen corresponding path program 1 times [2022-11-03 03:35:51,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:51,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217209916] [2022-11-03 03:35:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:51,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:51,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:51,512 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:51,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2022-11-03 03:35:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:52,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:52,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:52,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:53,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:53,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217209916] [2022-11-03 03:35:53,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217209916] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:53,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1543483613] [2022-11-03 03:35:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:53,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:53,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:53,069 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:53,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2022-11-03 03:35:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:54,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:54,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:54,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:54,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1543483613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:54,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:54,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483645262] [2022-11-03 03:35:54,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:54,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:54,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:54,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:54,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:54,649 INFO L87 Difference]: Start difference. First operand 1239 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:54,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:54,994 INFO L93 Difference]: Finished difference Result 2957 states and 3960 transitions. [2022-11-03 03:35:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:54,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:54,996 INFO L225 Difference]: With dead ends: 2957 [2022-11-03 03:35:54,997 INFO L226 Difference]: Without dead ends: 2172 [2022-11-03 03:35:54,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:54,998 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1544 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:54,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1540 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:55,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-11-03 03:35:55,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1301. [2022-11-03 03:35:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.3232791956689869) internal successors, (1711), 1293 states have internal predecessors, (1711), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1723 transitions. [2022-11-03 03:35:55,058 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1723 transitions. Word has length 346 [2022-11-03 03:35:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:55,058 INFO L495 AbstractCegarLoop]: Abstraction has 1301 states and 1723 transitions. [2022-11-03 03:35:55,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1723 transitions. [2022-11-03 03:35:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:55,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:55,061 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:55,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:55,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2022-11-03 03:35:55,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:55,474 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:55,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1946727941, now seen corresponding path program 1 times [2022-11-03 03:35:55,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:55,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931412262] [2022-11-03 03:35:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:55,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:55,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:55,478 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:55,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2022-11-03 03:35:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:56,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:56,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:57,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:57,434 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:57,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931412262] [2022-11-03 03:35:57,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931412262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:57,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:57,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:57,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384192949] [2022-11-03 03:35:57,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:57,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:57,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:57,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:57,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:57,436 INFO L87 Difference]: Start difference. First operand 1301 states and 1723 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:57,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:57,945 INFO L93 Difference]: Finished difference Result 3336 states and 4417 transitions. [2022-11-03 03:35:57,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:57,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:57,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:57,948 INFO L225 Difference]: With dead ends: 3336 [2022-11-03 03:35:57,948 INFO L226 Difference]: Without dead ends: 2519 [2022-11-03 03:35:57,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:57,950 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 539 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:57,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2464 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 71 Unchecked, 0.4s Time] [2022-11-03 03:35:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-03 03:35:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1307. [2022-11-03 03:35:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1299 states have (on average 1.3225558121632024) internal successors, (1718), 1299 states have internal predecessors, (1718), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1730 transitions. [2022-11-03 03:35:57,993 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1730 transitions. Word has length 346 [2022-11-03 03:35:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:57,994 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1730 transitions. [2022-11-03 03:35:57,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1730 transitions. [2022-11-03 03:35:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:57,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:57,996 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:58,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:58,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:58,196 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:58,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:58,197 INFO L85 PathProgramCache]: Analyzing trace with hash -15602307, now seen corresponding path program 1 times [2022-11-03 03:35:58,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:58,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453768031] [2022-11-03 03:35:58,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:58,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:58,199 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:58,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2022-11-03 03:35:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:59,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:59,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:00,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:00,138 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:00,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453768031] [2022-11-03 03:36:00,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453768031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:00,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:00,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72073908] [2022-11-03 03:36:00,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:00,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:00,140 INFO L87 Difference]: Start difference. First operand 1307 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:00,701 INFO L93 Difference]: Finished difference Result 3541 states and 4719 transitions. [2022-11-03 03:36:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:00,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:00,704 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:00,704 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:00,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:00,705 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 795 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:00,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2580 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 262 Invalid, 0 Unknown, 138 Unchecked, 0.4s Time] [2022-11-03 03:36:00,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:00,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1311. [2022-11-03 03:36:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1303 states have (on average 1.3223330775134305) internal successors, (1723), 1303 states have internal predecessors, (1723), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1735 transitions. [2022-11-03 03:36:00,775 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1735 transitions. Word has length 346 [2022-11-03 03:36:00,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:00,776 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1735 transitions. [2022-11-03 03:36:00,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1735 transitions. [2022-11-03 03:36:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:00,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:00,779 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:00,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Ended with exit code 0 [2022-11-03 03:36:01,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:01,003 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:01,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:01,004 INFO L85 PathProgramCache]: Analyzing trace with hash 410952191, now seen corresponding path program 1 times [2022-11-03 03:36:01,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:01,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159570557] [2022-11-03 03:36:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:01,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:01,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:01,006 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:01,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2022-11-03 03:36:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:02,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:02,950 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:02,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159570557] [2022-11-03 03:36:02,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159570557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:02,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:02,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:02,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498884913] [2022-11-03 03:36:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:02,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:02,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:02,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:02,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:02,951 INFO L87 Difference]: Start difference. First operand 1311 states and 1735 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:03,536 INFO L93 Difference]: Finished difference Result 3541 states and 4718 transitions. [2022-11-03 03:36:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:03,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:03,539 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:03,539 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:03,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:03,541 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 671 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:03,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2929 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 118 Unchecked, 0.4s Time] [2022-11-03 03:36:03,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:03,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1315. [2022-11-03 03:36:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1307 states have (on average 1.3221117061973986) internal successors, (1728), 1307 states have internal predecessors, (1728), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1740 transitions. [2022-11-03 03:36:03,585 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1740 transitions. Word has length 346 [2022-11-03 03:36:03,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:03,585 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1740 transitions. [2022-11-03 03:36:03,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1740 transitions. [2022-11-03 03:36:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:03,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:03,588 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:03,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:03,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:03,789 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:03,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1376917631, now seen corresponding path program 1 times [2022-11-03 03:36:03,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:03,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806634934] [2022-11-03 03:36:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:03,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:03,792 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:03,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2022-11-03 03:36:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:04,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:05,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:05,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:05,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806634934] [2022-11-03 03:36:05,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806634934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:05,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:05,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534488996] [2022-11-03 03:36:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:05,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:05,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:05,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:05,778 INFO L87 Difference]: Start difference. First operand 1315 states and 1740 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:06,247 INFO L93 Difference]: Finished difference Result 3320 states and 4390 transitions. [2022-11-03 03:36:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:06,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:06,249 INFO L225 Difference]: With dead ends: 3320 [2022-11-03 03:36:06,249 INFO L226 Difference]: Without dead ends: 2503 [2022-11-03 03:36:06,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:06,250 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 584 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 2109 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:06,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 2109 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 76 Unchecked, 0.3s Time] [2022-11-03 03:36:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-03 03:36:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1323. [2022-11-03 03:36:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1315 states have (on average 1.3224334600760457) internal successors, (1739), 1315 states have internal predecessors, (1739), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1751 transitions. [2022-11-03 03:36:06,295 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1751 transitions. Word has length 346 [2022-11-03 03:36:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:06,295 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1751 transitions. [2022-11-03 03:36:06,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1751 transitions. [2022-11-03 03:36:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:06,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:06,299 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:06,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:06,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:06,523 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:06,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:06,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1921790205, now seen corresponding path program 1 times [2022-11-03 03:36:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:06,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607508191] [2022-11-03 03:36:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:06,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:06,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:06,526 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:06,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2022-11-03 03:36:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:07,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:07,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:08,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:08,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:08,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607508191] [2022-11-03 03:36:08,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607508191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:08,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:08,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378557815] [2022-11-03 03:36:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:08,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:08,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:08,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:08,508 INFO L87 Difference]: Start difference. First operand 1323 states and 1751 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:09,077 INFO L93 Difference]: Finished difference Result 3541 states and 4716 transitions. [2022-11-03 03:36:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:09,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:09,080 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:09,080 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:09,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:09,082 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 641 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:09,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2962 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 113 Unchecked, 0.5s Time] [2022-11-03 03:36:09,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1327. [2022-11-03 03:36:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1319 states have (on average 1.3222137983320696) internal successors, (1744), 1319 states have internal predecessors, (1744), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1756 transitions. [2022-11-03 03:36:09,167 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1756 transitions. Word has length 346 [2022-11-03 03:36:09,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:09,168 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1756 transitions. [2022-11-03 03:36:09,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1756 transitions. [2022-11-03 03:36:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:09,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:09,172 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:09,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Ended with exit code 0 [2022-11-03 03:36:09,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:09,395 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1938671493, now seen corresponding path program 1 times [2022-11-03 03:36:09,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:09,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555395300] [2022-11-03 03:36:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:09,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:09,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:09,399 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:09,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2022-11-03 03:36:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:10,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:11,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:11,039 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:11,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555395300] [2022-11-03 03:36:11,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555395300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:11,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:11,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:11,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454032547] [2022-11-03 03:36:11,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:11,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:11,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:11,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:11,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:11,041 INFO L87 Difference]: Start difference. First operand 1327 states and 1756 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:11,493 INFO L93 Difference]: Finished difference Result 3312 states and 4376 transitions. [2022-11-03 03:36:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:11,495 INFO L225 Difference]: With dead ends: 3312 [2022-11-03 03:36:11,495 INFO L226 Difference]: Without dead ends: 2495 [2022-11-03 03:36:11,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:11,497 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 438 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:11,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2429 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 71 Unchecked, 0.3s Time] [2022-11-03 03:36:11,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-11-03 03:36:11,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 1331. [2022-11-03 03:36:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1323 states have (on average 1.3219954648526078) internal successors, (1749), 1323 states have internal predecessors, (1749), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1761 transitions. [2022-11-03 03:36:11,541 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1761 transitions. Word has length 346 [2022-11-03 03:36:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:11,541 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1761 transitions. [2022-11-03 03:36:11,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1761 transitions. [2022-11-03 03:36:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:11,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:11,544 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:11,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Ended with exit code 0 [2022-11-03 03:36:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:11,745 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:11,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1494462201, now seen corresponding path program 1 times [2022-11-03 03:36:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:11,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689505651] [2022-11-03 03:36:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:11,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:11,747 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:11,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2022-11-03 03:36:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:12,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:36:12,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:13,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:13,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689505651] [2022-11-03 03:36:13,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689505651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:13,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:13,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:13,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706974757] [2022-11-03 03:36:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:13,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:13,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:13,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:13,357 INFO L87 Difference]: Start difference. First operand 1331 states and 1761 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:13,672 INFO L93 Difference]: Finished difference Result 2152 states and 2869 transitions. [2022-11-03 03:36:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:36:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:13,674 INFO L225 Difference]: With dead ends: 2152 [2022-11-03 03:36:13,674 INFO L226 Difference]: Without dead ends: 1335 [2022-11-03 03:36:13,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:13,676 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 75 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:13,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1630 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 133 Unchecked, 0.2s Time] [2022-11-03 03:36:13,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-11-03 03:36:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2022-11-03 03:36:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1327 states have (on average 1.3217784476262247) internal successors, (1754), 1327 states have internal predecessors, (1754), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1766 transitions. [2022-11-03 03:36:13,716 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1766 transitions. Word has length 346 [2022-11-03 03:36:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:13,716 INFO L495 AbstractCegarLoop]: Abstraction has 1335 states and 1766 transitions. [2022-11-03 03:36:13,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1766 transitions. [2022-11-03 03:36:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:13,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:13,719 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:13,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Ended with exit code 0 [2022-11-03 03:36:13,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:13,920 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1518332809, now seen corresponding path program 1 times [2022-11-03 03:36:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:13,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302548359] [2022-11-03 03:36:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:13,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:13,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:13,924 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:13,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2022-11-03 03:36:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:14,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:14,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:15,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:15,567 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:15,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302548359] [2022-11-03 03:36:15,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302548359] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:15,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [782350507] [2022-11-03 03:36:15,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:15,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:15,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:15,568 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2022-11-03 03:36:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:16,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:16,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:17,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:17,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [782350507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:17,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:17,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:17,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146228321] [2022-11-03 03:36:17,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:17,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:17,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:17,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:17,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:17,197 INFO L87 Difference]: Start difference. First operand 1335 states and 1766 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:17,551 INFO L93 Difference]: Finished difference Result 3085 states and 4134 transitions. [2022-11-03 03:36:17,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:17,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:17,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:17,554 INFO L225 Difference]: With dead ends: 3085 [2022-11-03 03:36:17,554 INFO L226 Difference]: Without dead ends: 2268 [2022-11-03 03:36:17,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:36:17,555 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1509 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:17,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1580 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:36:17,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-11-03 03:36:17,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1397. [2022-11-03 03:36:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1389 states have (on average 1.323974082073434) internal successors, (1839), 1389 states have internal predecessors, (1839), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1851 transitions. [2022-11-03 03:36:17,629 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1851 transitions. Word has length 346 [2022-11-03 03:36:17,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:17,629 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1851 transitions. [2022-11-03 03:36:17,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1851 transitions. [2022-11-03 03:36:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:17,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:17,633 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:17,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Ended with exit code 0 [2022-11-03 03:36:17,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2022-11-03 03:36:18,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:18,051 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1054631801, now seen corresponding path program 1 times [2022-11-03 03:36:18,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:18,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857433967] [2022-11-03 03:36:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:18,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:18,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:18,054 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:18,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2022-11-03 03:36:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:18,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:18,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:19,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:19,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:19,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857433967] [2022-11-03 03:36:19,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857433967] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:19,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2038717277] [2022-11-03 03:36:19,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:19,715 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:19,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2022-11-03 03:36:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:21,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:21,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:21,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:21,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2038717277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:21,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:21,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479012953] [2022-11-03 03:36:21,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:21,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:21,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:21,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:21,374 INFO L87 Difference]: Start difference. First operand 1397 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:21,752 INFO L93 Difference]: Finished difference Result 3131 states and 4200 transitions. [2022-11-03 03:36:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:21,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:21,755 INFO L225 Difference]: With dead ends: 3131 [2022-11-03 03:36:21,755 INFO L226 Difference]: Without dead ends: 2282 [2022-11-03 03:36:21,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:36:21,756 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1498 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:21,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1589 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:36:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2022-11-03 03:36:21,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1411. [2022-11-03 03:36:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1403 states have (on average 1.3250178189593729) internal successors, (1859), 1403 states have internal predecessors, (1859), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1871 transitions. [2022-11-03 03:36:21,802 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1871 transitions. Word has length 346 [2022-11-03 03:36:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:21,802 INFO L495 AbstractCegarLoop]: Abstraction has 1411 states and 1871 transitions. [2022-11-03 03:36:21,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1871 transitions. [2022-11-03 03:36:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:21,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:21,805 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:21,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:22,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:22,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:22,205 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:22,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:22,206 INFO L85 PathProgramCache]: Analyzing trace with hash 978762245, now seen corresponding path program 1 times [2022-11-03 03:36:22,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:22,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401751898] [2022-11-03 03:36:22,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:22,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:22,208 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:22,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2022-11-03 03:36:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:23,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:36:23,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:24,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:27,969 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:27,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401751898] [2022-11-03 03:36:27,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401751898] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:36:27,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1374701362] [2022-11-03 03:36:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:27,971 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:27,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2022-11-03 03:36:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:29,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:36:29,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:29,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:30,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1374701362] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:30,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468644592] [2022-11-03 03:36:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:36:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:36:30,303 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:36:30,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-03 03:36:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:31,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:36:31,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:31,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:31,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468644592] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:31,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-03 03:36:31,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6, 6, 6] total 14 [2022-11-03 03:36:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649080328] [2022-11-03 03:36:31,933 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-03 03:36:31,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 03:36:31,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:31,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 03:36:31,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:36:31,936 INFO L87 Difference]: Start difference. First operand 1411 states and 1871 transitions. Second operand has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 03:36:34,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:34,594 INFO L93 Difference]: Finished difference Result 2763 states and 3760 transitions. [2022-11-03 03:36:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 03:36:34,595 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 346 [2022-11-03 03:36:34,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:34,604 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 03:36:34,604 INFO L226 Difference]: Without dead ends: 1900 [2022-11-03 03:36:34,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2073 GetRequests, 2034 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=337, Invalid=1145, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 03:36:34,606 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1693 mSDsluCounter, 7820 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 229 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:34,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 9071 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1876 Invalid, 0 Unknown, 229 Unchecked, 2.0s Time] [2022-11-03 03:36:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-03 03:36:34,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1141. [2022-11-03 03:36:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1133 states have (on average 1.3300970873786409) internal successors, (1507), 1133 states have internal predecessors, (1507), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1519 transitions. [2022-11-03 03:36:34,657 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1519 transitions. Word has length 346 [2022-11-03 03:36:34,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:34,658 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1519 transitions. [2022-11-03 03:36:34,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 03:36:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1519 transitions. [2022-11-03 03:36:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:34,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:34,661 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:34,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2022-11-03 03:36:34,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2022-11-03 03:36:35,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Ended with exit code 0 [2022-11-03 03:36:35,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:35,274 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1055722625, now seen corresponding path program 1 times [2022-11-03 03:36:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:35,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102522351] [2022-11-03 03:36:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:35,277 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:35,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2022-11-03 03:36:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:36,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:36:36,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:36,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:37,025 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:37,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102522351] [2022-11-03 03:36:37,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102522351] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:36:37,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [644125886] [2022-11-03 03:36:37,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:37,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:37,027 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:37,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2022-11-03 03:36:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:38,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-03 03:36:38,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:40,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:40,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [644125886] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:36:40,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195208095] [2022-11-03 03:36:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:36:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:36:40,627 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:36:40,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-03 03:36:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:41,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 03:36:41,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:43,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:36:43,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195208095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:43,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2022-11-03 03:36:43,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 8, 8] total 28 [2022-11-03 03:36:43,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121471897] [2022-11-03 03:36:43,824 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2022-11-03 03:36:43,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 03:36:43,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:43,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 03:36:43,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 03:36:43,826 INFO L87 Difference]: Start difference. First operand 1141 states and 1519 transitions. Second operand has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 03:36:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:55,600 INFO L93 Difference]: Finished difference Result 6177 states and 8626 transitions. [2022-11-03 03:36:55,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-03 03:36:55,601 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 346 [2022-11-03 03:36:55,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:55,607 INFO L225 Difference]: With dead ends: 6177 [2022-11-03 03:36:55,608 INFO L226 Difference]: Without dead ends: 5732 [2022-11-03 03:36:55,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2600, Invalid=10972, Unknown=0, NotChecked=0, Total=13572 [2022-11-03 03:36:55,610 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 6356 mSDsluCounter, 38673 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 41188 SdHoareTripleChecker+Invalid, 8587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1348 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:55,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 41188 Invalid, 8587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 6968 Invalid, 0 Unknown, 1348 Unchecked, 7.1s Time] [2022-11-03 03:36:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-03 03:36:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1492. [2022-11-03 03:36:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.343050847457627) internal successors, (1981), 1475 states have internal predecessors, (1981), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:36:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2011 transitions. [2022-11-03 03:36:55,813 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2011 transitions. Word has length 346 [2022-11-03 03:36:55,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:55,813 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2011 transitions. [2022-11-03 03:36:55,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 03:36:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2011 transitions. [2022-11-03 03:36:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:55,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:55,818 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:55,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:56,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2022-11-03 03:36:56,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2022-11-03 03:36:56,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:56,432 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash 277086841, now seen corresponding path program 1 times [2022-11-03 03:36:56,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:56,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900645248] [2022-11-03 03:36:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:56,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:56,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:56,434 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:56,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2022-11-03 03:36:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:57,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:57,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:57,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:58,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:58,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900645248] [2022-11-03 03:36:58,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900645248] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:58,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1162661707] [2022-11-03 03:36:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:58,095 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:58,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2022-11-03 03:36:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:59,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:59,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:59,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:59,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1162661707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:59,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:59,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:59,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416646582] [2022-11-03 03:36:59,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:59,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:59,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:59,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:59,791 INFO L87 Difference]: Start difference. First operand 1492 states and 2011 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:00,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:00,182 INFO L93 Difference]: Finished difference Result 2578 states and 3533 transitions. [2022-11-03 03:37:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:00,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:00,185 INFO L225 Difference]: With dead ends: 2578 [2022-11-03 03:37:00,185 INFO L226 Difference]: Without dead ends: 1908 [2022-11-03 03:37:00,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:37:00,186 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1203 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:00,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 1558 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:00,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-03 03:37:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1484. [2022-11-03 03:37:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3421949556918882) internal successors, (1969), 1467 states have internal predecessors, (1969), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1999 transitions. [2022-11-03 03:37:00,375 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1999 transitions. Word has length 346 [2022-11-03 03:37:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:00,376 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1999 transitions. [2022-11-03 03:37:00,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1999 transitions. [2022-11-03 03:37:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:00,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:00,380 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:00,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Ended with exit code 0 [2022-11-03 03:37:00,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:00,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:00,795 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash 243805713, now seen corresponding path program 1 times [2022-11-03 03:37:00,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:00,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204455104] [2022-11-03 03:37:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:00,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:00,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:00,798 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2022-11-03 03:37:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:01,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:01,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:01,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:01,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:01,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204455104] [2022-11-03 03:37:01,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204455104] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:01,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [471527352] [2022-11-03 03:37:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:01,954 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:01,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2022-11-03 03:37:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:03,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:03,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:03,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:03,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [471527352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:03,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:03,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:03,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71492371] [2022-11-03 03:37:03,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:03,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:03,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:03,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:03,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:03,486 INFO L87 Difference]: Start difference. First operand 1484 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:03,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:03,978 INFO L93 Difference]: Finished difference Result 2780 states and 3770 transitions. [2022-11-03 03:37:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:03,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:03,981 INFO L225 Difference]: With dead ends: 2780 [2022-11-03 03:37:03,981 INFO L226 Difference]: Without dead ends: 1862 [2022-11-03 03:37:03,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:03,983 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 965 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:03,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1861 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-11-03 03:37:04,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1484. [2022-11-03 03:37:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3408316291751874) internal successors, (1967), 1467 states have internal predecessors, (1967), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1997 transitions. [2022-11-03 03:37:04,192 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1997 transitions. Word has length 346 [2022-11-03 03:37:04,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:04,192 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1997 transitions. [2022-11-03 03:37:04,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1997 transitions. [2022-11-03 03:37:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:04,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:04,196 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:04,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:04,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Ended with exit code 0 [2022-11-03 03:37:04,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:04,609 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:04,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash 16584723, now seen corresponding path program 1 times [2022-11-03 03:37:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:04,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658350694] [2022-11-03 03:37:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:04,612 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2022-11-03 03:37:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:05,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:05,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:05,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:05,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:05,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658350694] [2022-11-03 03:37:05,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658350694] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:05,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1973123050] [2022-11-03 03:37:05,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:05,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:05,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:05,760 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:05,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2022-11-03 03:37:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:07,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:07,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:07,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:07,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1973123050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:07,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:07,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:07,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473987311] [2022-11-03 03:37:07,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:07,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:07,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:07,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:07,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:07,307 INFO L87 Difference]: Start difference. First operand 1484 states and 1997 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:07,777 INFO L93 Difference]: Finished difference Result 2763 states and 3745 transitions. [2022-11-03 03:37:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:07,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:07,779 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 03:37:07,779 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:07,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:07,780 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 955 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:07,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1860 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:07,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.338104976141786) internal successors, (1963), 1467 states have internal predecessors, (1963), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1993 transitions. [2022-11-03 03:37:07,892 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1993 transitions. Word has length 346 [2022-11-03 03:37:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:07,892 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1993 transitions. [2022-11-03 03:37:07,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1993 transitions. [2022-11-03 03:37:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:07,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:07,896 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:07,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:08,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:08,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:08,316 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:08,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:08,317 INFO L85 PathProgramCache]: Analyzing trace with hash -382921707, now seen corresponding path program 1 times [2022-11-03 03:37:08,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:08,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735588281] [2022-11-03 03:37:08,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:08,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:08,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:08,319 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:08,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2022-11-03 03:37:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:09,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:09,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:09,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:09,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:09,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735588281] [2022-11-03 03:37:09,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735588281] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:09,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [476523385] [2022-11-03 03:37:09,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:09,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:09,494 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:09,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2022-11-03 03:37:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:10,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:10,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:11,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:11,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [476523385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:11,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:11,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:11,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180711353] [2022-11-03 03:37:11,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:11,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:11,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:11,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:11,069 INFO L87 Difference]: Start difference. First operand 1484 states and 1993 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:11,519 INFO L93 Difference]: Finished difference Result 2755 states and 3728 transitions. [2022-11-03 03:37:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:11,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:11,521 INFO L225 Difference]: With dead ends: 2755 [2022-11-03 03:37:11,521 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:11,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:11,522 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 949 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:11,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 1857 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3353783231083844) internal successors, (1959), 1467 states have internal predecessors, (1959), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1989 transitions. [2022-11-03 03:37:11,645 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1989 transitions. Word has length 346 [2022-11-03 03:37:11,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:11,645 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1989 transitions. [2022-11-03 03:37:11,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1989 transitions. [2022-11-03 03:37:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:11,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:11,648 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:11,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2022-11-03 03:37:11,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Ended with exit code 0 [2022-11-03 03:37:12,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:12,049 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 913533207, now seen corresponding path program 1 times [2022-11-03 03:37:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:12,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077989400] [2022-11-03 03:37:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:12,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:12,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:12,069 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2022-11-03 03:37:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:12,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:12,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:13,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:13,217 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:13,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077989400] [2022-11-03 03:37:13,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077989400] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:13,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [87432590] [2022-11-03 03:37:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:13,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:13,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:13,218 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:13,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2022-11-03 03:37:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:14,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:14,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:14,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:14,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [87432590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:14,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:14,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647744069] [2022-11-03 03:37:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:14,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:14,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:14,767 INFO L87 Difference]: Start difference. First operand 1484 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:15,252 INFO L93 Difference]: Finished difference Result 2747 states and 3711 transitions. [2022-11-03 03:37:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:15,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:15,255 INFO L225 Difference]: With dead ends: 2747 [2022-11-03 03:37:15,255 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:15,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:15,256 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 943 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:15,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:15,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3326516700749829) internal successors, (1955), 1467 states have internal predecessors, (1955), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1985 transitions. [2022-11-03 03:37:15,386 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1985 transitions. Word has length 346 [2022-11-03 03:37:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:15,387 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1985 transitions. [2022-11-03 03:37:15,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1985 transitions. [2022-11-03 03:37:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:15,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:15,391 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:15,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:15,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Ended with exit code 0 [2022-11-03 03:37:15,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:15,791 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:15,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1252036377, now seen corresponding path program 1 times [2022-11-03 03:37:15,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:15,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69786355] [2022-11-03 03:37:15,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:15,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:15,794 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2022-11-03 03:37:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:16,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:16,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:16,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:16,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:16,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69786355] [2022-11-03 03:37:16,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69786355] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:16,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [399277525] [2022-11-03 03:37:16,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:16,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:16,942 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:16,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2022-11-03 03:37:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:18,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:18,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:18,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [399277525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:18,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:18,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:18,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745645141] [2022-11-03 03:37:18,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:18,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:18,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:18,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:18,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:18,533 INFO L87 Difference]: Start difference. First operand 1484 states and 1985 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:18,986 INFO L93 Difference]: Finished difference Result 2739 states and 3691 transitions. [2022-11-03 03:37:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:18,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:18,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:18,988 INFO L225 Difference]: With dead ends: 2739 [2022-11-03 03:37:18,988 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:18,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:18,989 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 937 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:18,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:18,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:19,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3299250170415815) internal successors, (1951), 1467 states have internal predecessors, (1951), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1981 transitions. [2022-11-03 03:37:19,098 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1981 transitions. Word has length 346 [2022-11-03 03:37:19,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:19,098 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1981 transitions. [2022-11-03 03:37:19,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1981 transitions. [2022-11-03 03:37:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:19,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:19,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:19,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Ended with exit code 0 [2022-11-03 03:37:19,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:19,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:19,502 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:19,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:19,502 INFO L85 PathProgramCache]: Analyzing trace with hash 63243803, now seen corresponding path program 1 times [2022-11-03 03:37:19,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:19,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642698210] [2022-11-03 03:37:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:19,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:19,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:19,505 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:19,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2022-11-03 03:37:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:20,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:20,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:20,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:20,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:20,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642698210] [2022-11-03 03:37:20,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642698210] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:20,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1331471863] [2022-11-03 03:37:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:20,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:20,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:20,665 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:20,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2022-11-03 03:37:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:22,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:22,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:22,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:22,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1331471863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:22,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:22,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809039059] [2022-11-03 03:37:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:22,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:22,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:22,227 INFO L87 Difference]: Start difference. First operand 1484 states and 1981 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:22,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:22,654 INFO L93 Difference]: Finished difference Result 2731 states and 3674 transitions. [2022-11-03 03:37:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:22,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:22,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:22,656 INFO L225 Difference]: With dead ends: 2731 [2022-11-03 03:37:22,656 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:22,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:22,657 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 931 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:22,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:22,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.32719836400818) internal successors, (1947), 1467 states have internal predecessors, (1947), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1977 transitions. [2022-11-03 03:37:22,789 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1977 transitions. Word has length 346 [2022-11-03 03:37:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:22,789 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1977 transitions. [2022-11-03 03:37:22,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1977 transitions. [2022-11-03 03:37:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:22,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:22,792 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:22,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Ended with exit code 0 [2022-11-03 03:37:23,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:23,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:23,196 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash -600748515, now seen corresponding path program 1 times [2022-11-03 03:37:23,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:23,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192739177] [2022-11-03 03:37:23,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:23,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:23,198 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2022-11-03 03:37:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:24,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:24,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:24,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:24,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:24,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192739177] [2022-11-03 03:37:24,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192739177] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:24,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1976030458] [2022-11-03 03:37:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:24,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:24,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:24,355 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:24,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2022-11-03 03:37:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:25,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:25,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:25,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:25,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1976030458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:25,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:25,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:25,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978756013] [2022-11-03 03:37:25,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:25,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:25,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:25,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:25,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:25,963 INFO L87 Difference]: Start difference. First operand 1484 states and 1977 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:26,439 INFO L93 Difference]: Finished difference Result 2723 states and 3657 transitions. [2022-11-03 03:37:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:26,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:26,442 INFO L225 Difference]: With dead ends: 2723 [2022-11-03 03:37:26,442 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:26,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:26,443 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 925 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:26,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:26,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:26,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3244717109747786) internal successors, (1943), 1467 states have internal predecessors, (1943), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1973 transitions. [2022-11-03 03:37:26,631 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1973 transitions. Word has length 346 [2022-11-03 03:37:26,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:26,632 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1973 transitions. [2022-11-03 03:37:26,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1973 transitions. [2022-11-03 03:37:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:26,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:26,635 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:26,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:26,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:27,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:27,048 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash 175499039, now seen corresponding path program 1 times [2022-11-03 03:37:27,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:27,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429183523] [2022-11-03 03:37:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:27,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:27,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:27,051 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2022-11-03 03:37:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:27,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:27,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:28,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:28,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:28,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429183523] [2022-11-03 03:37:28,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429183523] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:28,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1051325764] [2022-11-03 03:37:28,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:28,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:28,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:28,216 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:28,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2022-11-03 03:37:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:29,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:29,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:29,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:29,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1051325764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:29,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:29,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:29,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6913083] [2022-11-03 03:37:29,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:29,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:29,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:29,846 INFO L87 Difference]: Start difference. First operand 1484 states and 1973 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:30,276 INFO L93 Difference]: Finished difference Result 2715 states and 3640 transitions. [2022-11-03 03:37:30,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:30,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:30,279 INFO L225 Difference]: With dead ends: 2715 [2022-11-03 03:37:30,279 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:30,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:30,280 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 919 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:30,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1842 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.321745057941377) internal successors, (1939), 1467 states have internal predecessors, (1939), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2022-11-03 03:37:30,391 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 346 [2022-11-03 03:37:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:30,391 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2022-11-03 03:37:30,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2022-11-03 03:37:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:30,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:30,395 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:30,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2022-11-03 03:37:30,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:30,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:30,796 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:30,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1587326687, now seen corresponding path program 1 times [2022-11-03 03:37:30,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:30,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263304920] [2022-11-03 03:37:30,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:30,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:30,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:30,798 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:30,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2022-11-03 03:37:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:31,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:31,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:31,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:31,962 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:31,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263304920] [2022-11-03 03:37:31,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263304920] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:31,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [141394821] [2022-11-03 03:37:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:31,964 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:31,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2022-11-03 03:37:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:33,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:33,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:33,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:33,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [141394821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:33,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:33,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:33,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64750432] [2022-11-03 03:37:33,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:33,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:33,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:33,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:33,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:33,561 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:34,020 INFO L93 Difference]: Finished difference Result 2699 states and 3616 transitions. [2022-11-03 03:37:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:34,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:34,023 INFO L225 Difference]: With dead ends: 2699 [2022-11-03 03:37:34,023 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:34,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:34,024 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 909 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:34,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1841 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:34,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:34,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3190184049079754) internal successors, (1935), 1467 states have internal predecessors, (1935), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1965 transitions. [2022-11-03 03:37:34,211 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1965 transitions. Word has length 346 [2022-11-03 03:37:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:34,211 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1965 transitions. [2022-11-03 03:37:34,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1965 transitions. [2022-11-03 03:37:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:34,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:34,215 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:34,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:34,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:34,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:34,631 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:34,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:34,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1393810723, now seen corresponding path program 1 times [2022-11-03 03:37:34,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:34,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216459294] [2022-11-03 03:37:34,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:34,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:34,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:34,634 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:34,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2022-11-03 03:37:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:35,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:35,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:35,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:35,782 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:35,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216459294] [2022-11-03 03:37:35,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216459294] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:35,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1057505843] [2022-11-03 03:37:35,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:35,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:35,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:35,784 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:35,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2022-11-03 03:37:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:37,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:37,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:37,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:37,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1057505843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:37,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:37,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:37,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634105522] [2022-11-03 03:37:37,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:37,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:37,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:37,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:37,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:37,436 INFO L87 Difference]: Start difference. First operand 1484 states and 1965 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:37,889 INFO L93 Difference]: Finished difference Result 2691 states and 3599 transitions. [2022-11-03 03:37:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:37,891 INFO L225 Difference]: With dead ends: 2691 [2022-11-03 03:37:37,892 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:37,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:37,893 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 903 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:37,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.316291751874574) internal successors, (1931), 1467 states have internal predecessors, (1931), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1961 transitions. [2022-11-03 03:37:38,016 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1961 transitions. Word has length 346 [2022-11-03 03:37:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:38,016 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1961 transitions. [2022-11-03 03:37:38,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1961 transitions. [2022-11-03 03:37:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:38,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:38,019 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:38,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:38,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2022-11-03 03:37:38,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:38,420 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:38,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:38,421 INFO L85 PathProgramCache]: Analyzing trace with hash 257866277, now seen corresponding path program 1 times [2022-11-03 03:37:38,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:38,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416288227] [2022-11-03 03:37:38,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:38,424 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:38,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2022-11-03 03:37:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:39,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:39,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:39,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:39,619 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:39,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416288227] [2022-11-03 03:37:39,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416288227] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:39,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [531120890] [2022-11-03 03:37:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:39,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:39,620 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2022-11-03 03:37:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:41,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:41,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:41,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:41,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [531120890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:41,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:41,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:41,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108319773] [2022-11-03 03:37:41,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:41,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:41,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:41,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:41,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:41,251 INFO L87 Difference]: Start difference. First operand 1484 states and 1961 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:41,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:41,682 INFO L93 Difference]: Finished difference Result 2683 states and 3582 transitions. [2022-11-03 03:37:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:41,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:41,684 INFO L225 Difference]: With dead ends: 2683 [2022-11-03 03:37:41,684 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:41,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:41,685 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 897 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:41,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3135650988411725) internal successors, (1927), 1467 states have internal predecessors, (1927), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1957 transitions. [2022-11-03 03:37:41,829 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1957 transitions. Word has length 346 [2022-11-03 03:37:41,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:41,829 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1957 transitions. [2022-11-03 03:37:41,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1957 transitions. [2022-11-03 03:37:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:41,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:41,832 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:41,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:42,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:42,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:42,235 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:42,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1709938649, now seen corresponding path program 1 times [2022-11-03 03:37:42,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:42,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869170769] [2022-11-03 03:37:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:42,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:42,238 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:42,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2022-11-03 03:37:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:43,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:43,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:43,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:43,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:43,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869170769] [2022-11-03 03:37:43,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869170769] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:43,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [361909786] [2022-11-03 03:37:43,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:43,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:43,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:43,388 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:43,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2022-11-03 03:37:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:44,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:44,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:45,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [361909786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:45,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:45,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:45,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559368745] [2022-11-03 03:37:45,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:45,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:45,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:45,027 INFO L87 Difference]: Start difference. First operand 1484 states and 1957 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:45,540 INFO L93 Difference]: Finished difference Result 2675 states and 3562 transitions. [2022-11-03 03:37:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:45,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:45,542 INFO L225 Difference]: With dead ends: 2675 [2022-11-03 03:37:45,542 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:45,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:45,543 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 891 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:45,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1832 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:45,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3108384458077709) internal successors, (1923), 1467 states have internal predecessors, (1923), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1953 transitions. [2022-11-03 03:37:45,675 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1953 transitions. Word has length 346 [2022-11-03 03:37:45,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:45,675 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1953 transitions. [2022-11-03 03:37:45,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1953 transitions. [2022-11-03 03:37:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:45,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:45,678 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:45,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Ended with exit code 0 [2022-11-03 03:37:45,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2022-11-03 03:37:46,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:46,084 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 860186409, now seen corresponding path program 1 times [2022-11-03 03:37:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:46,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300519257] [2022-11-03 03:37:46,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:46,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:46,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:46,086 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:46,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2022-11-03 03:37:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:46,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:46,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:47,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:47,238 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:47,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300519257] [2022-11-03 03:37:47,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300519257] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:47,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1817611162] [2022-11-03 03:37:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:47,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:47,240 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2022-11-03 03:37:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:48,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:48,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:48,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:48,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1817611162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:48,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:48,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:48,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181565986] [2022-11-03 03:37:48,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:48,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:48,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:48,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:48,930 INFO L87 Difference]: Start difference. First operand 1484 states and 1953 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:49,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:49,377 INFO L93 Difference]: Finished difference Result 2667 states and 3545 transitions. [2022-11-03 03:37:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:49,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:49,379 INFO L225 Difference]: With dead ends: 2667 [2022-11-03 03:37:49,379 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:49,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:49,381 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 885 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:49,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 1829 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3081117927743695) internal successors, (1919), 1467 states have internal predecessors, (1919), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1949 transitions. [2022-11-03 03:37:49,506 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1949 transitions. Word has length 346 [2022-11-03 03:37:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:49,506 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1949 transitions. [2022-11-03 03:37:49,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1949 transitions. [2022-11-03 03:37:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:49,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:49,509 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:49,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:49,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Ended with exit code 0 [2022-11-03 03:37:49,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:49,910 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:49,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1220397269, now seen corresponding path program 1 times [2022-11-03 03:37:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:49,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033819841] [2022-11-03 03:37:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:49,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:49,913 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:49,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2022-11-03 03:37:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:50,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:50,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:50,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:51,064 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:51,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033819841] [2022-11-03 03:37:51,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033819841] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:51,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1022246083] [2022-11-03 03:37:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:51,065 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2022-11-03 03:37:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:52,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:52,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:52,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:52,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1022246083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:52,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:52,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:52,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471245379] [2022-11-03 03:37:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:52,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:52,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:52,756 INFO L87 Difference]: Start difference. First operand 1484 states and 1949 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:53,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:53,187 INFO L93 Difference]: Finished difference Result 2659 states and 3528 transitions. [2022-11-03 03:37:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:53,190 INFO L225 Difference]: With dead ends: 2659 [2022-11-03 03:37:53,190 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:53,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:53,191 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 879 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:53,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:53,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.305385139740968) internal successors, (1915), 1467 states have internal predecessors, (1915), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1945 transitions. [2022-11-03 03:37:53,305 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1945 transitions. Word has length 346 [2022-11-03 03:37:53,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:53,305 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1945 transitions. [2022-11-03 03:37:53,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1945 transitions. [2022-11-03 03:37:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:53,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:53,308 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:53,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:53,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Ended with exit code 0 [2022-11-03 03:37:53,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:53,708 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:53,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1097115603, now seen corresponding path program 1 times [2022-11-03 03:37:53,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:53,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418192648] [2022-11-03 03:37:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:53,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:53,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:53,711 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:53,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2022-11-03 03:37:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:54,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:54,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:54,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:54,895 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418192648] [2022-11-03 03:37:54,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418192648] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1531166757] [2022-11-03 03:37:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:54,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:54,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:54,897 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:54,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2022-11-03 03:37:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:56,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:56,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:56,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:56,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1531166757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:56,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:56,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:56,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656619309] [2022-11-03 03:37:56,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:56,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:56,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:56,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:56,559 INFO L87 Difference]: Start difference. First operand 1484 states and 1945 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:56,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:56,988 INFO L93 Difference]: Finished difference Result 2651 states and 3511 transitions. [2022-11-03 03:37:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:56,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:56,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:56,990 INFO L225 Difference]: With dead ends: 2651 [2022-11-03 03:37:56,990 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:56,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:56,992 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 873 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:56,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:37:56,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3026584867075666) internal successors, (1911), 1467 states have internal predecessors, (1911), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1941 transitions. [2022-11-03 03:37:57,140 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1941 transitions. Word has length 346 [2022-11-03 03:37:57,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:57,140 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1941 transitions. [2022-11-03 03:37:57,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1941 transitions. [2022-11-03 03:37:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:57,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:57,143 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:57,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:57,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:57,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:57,544 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1105114577, now seen corresponding path program 1 times [2022-11-03 03:37:57,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:57,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892568603] [2022-11-03 03:37:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:57,549 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:57,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2022-11-03 03:37:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:58,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:58,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:58,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:58,779 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:58,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892568603] [2022-11-03 03:37:58,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892568603] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:58,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1933757721] [2022-11-03 03:37:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:58,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:58,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:58,781 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2022-11-03 03:38:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:00,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:00,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:00,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:00,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1933757721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:00,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:00,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011088982] [2022-11-03 03:38:00,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:00,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:00,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:00,461 INFO L87 Difference]: Start difference. First operand 1484 states and 1941 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:00,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:00,932 INFO L93 Difference]: Finished difference Result 2635 states and 3487 transitions. [2022-11-03 03:38:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:00,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:00,934 INFO L225 Difference]: With dead ends: 2635 [2022-11-03 03:38:00,934 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:00,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:00,935 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 863 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:00,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1825 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:01,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.299931833674165) internal successors, (1907), 1467 states have internal predecessors, (1907), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1937 transitions. [2022-11-03 03:38:01,074 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1937 transitions. Word has length 346 [2022-11-03 03:38:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:01,074 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1937 transitions. [2022-11-03 03:38:01,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1937 transitions. [2022-11-03 03:38:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:01,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:01,077 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:01,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2022-11-03 03:38:01,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:01,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:01,477 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 494034481, now seen corresponding path program 1 times [2022-11-03 03:38:01,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:01,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975173643] [2022-11-03 03:38:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:01,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:01,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:01,480 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:01,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2022-11-03 03:38:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:02,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:02,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:02,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:02,652 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:02,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975173643] [2022-11-03 03:38:02,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975173643] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:02,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [207261299] [2022-11-03 03:38:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:02,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:02,653 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:02,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2022-11-03 03:38:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:04,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:04,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:04,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:04,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [207261299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:04,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:04,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516863808] [2022-11-03 03:38:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:04,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:04,370 INFO L87 Difference]: Start difference. First operand 1484 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:04,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:04,817 INFO L93 Difference]: Finished difference Result 2627 states and 3470 transitions. [2022-11-03 03:38:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:04,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:04,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:04,819 INFO L225 Difference]: With dead ends: 2627 [2022-11-03 03:38:04,819 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:04,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:04,820 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 857 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:04,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 1819 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2972051806407634) internal successors, (1903), 1467 states have internal predecessors, (1903), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1933 transitions. [2022-11-03 03:38:04,974 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1933 transitions. Word has length 346 [2022-11-03 03:38:04,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:04,974 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1933 transitions. [2022-11-03 03:38:04,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1933 transitions. [2022-11-03 03:38:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:04,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:04,977 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:04,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2022-11-03 03:38:05,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Ended with exit code 0 [2022-11-03 03:38:05,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:05,377 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:05,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:05,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1021428531, now seen corresponding path program 1 times [2022-11-03 03:38:05,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:05,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909230333] [2022-11-03 03:38:05,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:05,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:05,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:05,381 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2022-11-03 03:38:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:06,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:06,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:06,569 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:06,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909230333] [2022-11-03 03:38:06,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909230333] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:06,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [31751787] [2022-11-03 03:38:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:06,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:06,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:06,571 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:06,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2022-11-03 03:38:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:08,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:08,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:08,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:08,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [31751787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:08,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:08,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:08,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239260730] [2022-11-03 03:38:08,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:08,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:08,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:08,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:08,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:08,300 INFO L87 Difference]: Start difference. First operand 1484 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:08,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:08,750 INFO L93 Difference]: Finished difference Result 2619 states and 3453 transitions. [2022-11-03 03:38:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:08,752 INFO L225 Difference]: With dead ends: 2619 [2022-11-03 03:38:08,752 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:08,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:08,754 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 851 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:08,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1816 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.294478527607362) internal successors, (1899), 1467 states have internal predecessors, (1899), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1929 transitions. [2022-11-03 03:38:08,907 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1929 transitions. Word has length 346 [2022-11-03 03:38:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:08,908 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1929 transitions. [2022-11-03 03:38:08,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1929 transitions. [2022-11-03 03:38:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:08,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:08,910 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:08,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:09,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:09,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,116 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:09,311 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:09,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:09,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1111488821, now seen corresponding path program 1 times [2022-11-03 03:38:09,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:09,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205317230] [2022-11-03 03:38:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:09,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:09,313 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:09,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2022-11-03 03:38:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:10,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:10,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:10,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:10,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:10,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205317230] [2022-11-03 03:38:10,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205317230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:10,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323878013] [2022-11-03 03:38:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:10,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:10,526 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2022-11-03 03:38:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:12,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:12,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:12,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:12,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323878013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:12,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:12,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:12,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763958055] [2022-11-03 03:38:12,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:12,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:12,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:12,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:12,286 INFO L87 Difference]: Start difference. First operand 1484 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:12,749 INFO L93 Difference]: Finished difference Result 2611 states and 3433 transitions. [2022-11-03 03:38:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:12,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:12,751 INFO L225 Difference]: With dead ends: 2611 [2022-11-03 03:38:12,751 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:12,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:12,752 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 845 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:12,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1813 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2917518745739605) internal successors, (1895), 1467 states have internal predecessors, (1895), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1925 transitions. [2022-11-03 03:38:12,902 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1925 transitions. Word has length 346 [2022-11-03 03:38:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:12,902 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1925 transitions. [2022-11-03 03:38:12,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1925 transitions. [2022-11-03 03:38:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:12,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:12,904 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:12,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2022-11-03 03:38:13,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Ended with exit code 0 [2022-11-03 03:38:13,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 118 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,117 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:13,305 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:13,305 INFO L85 PathProgramCache]: Analyzing trace with hash -811761609, now seen corresponding path program 1 times [2022-11-03 03:38:13,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:13,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161876211] [2022-11-03 03:38:13,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:13,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:13,308 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:13,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2022-11-03 03:38:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:14,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:14,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:14,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:14,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:14,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161876211] [2022-11-03 03:38:14,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161876211] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:14,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1625771677] [2022-11-03 03:38:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:14,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:14,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:14,508 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:14,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2022-11-03 03:38:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:16,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:16,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:16,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:16,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1625771677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:16,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:16,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203420376] [2022-11-03 03:38:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:16,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:16,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:16,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:16,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:16,291 INFO L87 Difference]: Start difference. First operand 1484 states and 1925 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:16,759 INFO L93 Difference]: Finished difference Result 2603 states and 3416 transitions. [2022-11-03 03:38:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:16,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:16,762 INFO L225 Difference]: With dead ends: 2603 [2022-11-03 03:38:16,762 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:16,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:16,764 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 839 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:16,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2890252215405589) internal successors, (1891), 1467 states have internal predecessors, (1891), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1921 transitions. [2022-11-03 03:38:17,006 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1921 transitions. Word has length 346 [2022-11-03 03:38:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:17,006 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1921 transitions. [2022-11-03 03:38:17,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1921 transitions. [2022-11-03 03:38:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:17,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:17,010 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:17,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:17,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2022-11-03 03:38:17,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,120 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:17,423 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash 592107577, now seen corresponding path program 1 times [2022-11-03 03:38:17,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:17,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181184668] [2022-11-03 03:38:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:17,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:17,426 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:17,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2022-11-03 03:38:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:18,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:18,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:18,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:18,661 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:18,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181184668] [2022-11-03 03:38:18,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181184668] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:18,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1043778223] [2022-11-03 03:38:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:18,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:18,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:18,662 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2022-11-03 03:38:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:20,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:20,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:20,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:20,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1043778223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:20,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:20,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776850910] [2022-11-03 03:38:20,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:20,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:20,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:20,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:20,438 INFO L87 Difference]: Start difference. First operand 1484 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:20,895 INFO L93 Difference]: Finished difference Result 2595 states and 3399 transitions. [2022-11-03 03:38:20,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:20,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:20,897 INFO L225 Difference]: With dead ends: 2595 [2022-11-03 03:38:20,897 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:20,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:20,898 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 833 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:20,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:20,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2862985685071575) internal successors, (1887), 1467 states have internal predecessors, (1887), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1917 transitions. [2022-11-03 03:38:21,045 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1917 transitions. Word has length 346 [2022-11-03 03:38:21,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:21,045 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1917 transitions. [2022-11-03 03:38:21,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1917 transitions. [2022-11-03 03:38:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:21,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:21,048 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:21,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Ended with exit code 0 [2022-11-03 03:38:21,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:21,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 121 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,122 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:21,449 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:21,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash 936935739, now seen corresponding path program 1 times [2022-11-03 03:38:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:21,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217139670] [2022-11-03 03:38:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:21,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:21,451 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2022-11-03 03:38:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:22,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:22,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:22,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:22,634 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:22,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217139670] [2022-11-03 03:38:22,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217139670] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:22,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1340496648] [2022-11-03 03:38:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:22,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:22,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:22,635 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2022-11-03 03:38:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:24,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:24,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:24,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:24,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1340496648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:24,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:24,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:24,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667838005] [2022-11-03 03:38:24,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:24,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:24,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:24,405 INFO L87 Difference]: Start difference. First operand 1484 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:24,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:24,856 INFO L93 Difference]: Finished difference Result 2587 states and 3382 transitions. [2022-11-03 03:38:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:24,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:24,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:24,859 INFO L225 Difference]: With dead ends: 2587 [2022-11-03 03:38:24,859 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:24,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:24,860 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 827 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:24,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1804 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:24,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.283571915473756) internal successors, (1883), 1467 states have internal predecessors, (1883), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1913 transitions. [2022-11-03 03:38:25,005 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1913 transitions. Word has length 346 [2022-11-03 03:38:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:25,005 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1913 transitions. [2022-11-03 03:38:25,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1913 transitions. [2022-11-03 03:38:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:25,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:25,008 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:25,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2022-11-03 03:38:25,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Ended with exit code 0 [2022-11-03 03:38:25,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,123 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:25,422 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:25,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash -468255939, now seen corresponding path program 1 times [2022-11-03 03:38:25,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:25,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321169903] [2022-11-03 03:38:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:25,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:25,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:25,425 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:25,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2022-11-03 03:38:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:26,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:26,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:26,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:26,633 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:26,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321169903] [2022-11-03 03:38:26,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321169903] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:26,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131169702] [2022-11-03 03:38:26,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:26,635 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:26,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2022-11-03 03:38:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:28,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:28,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:28,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:28,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2131169702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:28,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:28,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:28,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263059268] [2022-11-03 03:38:28,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:28,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:28,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:28,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:28,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:28,443 INFO L87 Difference]: Start difference. First operand 1484 states and 1913 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:28,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:28,903 INFO L93 Difference]: Finished difference Result 2571 states and 3358 transitions. [2022-11-03 03:38:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:28,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:28,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:28,905 INFO L225 Difference]: With dead ends: 2571 [2022-11-03 03:38:28,905 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:28,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:28,906 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 817 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:28,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1803 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:28,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:29,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2808452624403546) internal successors, (1879), 1467 states have internal predecessors, (1879), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1909 transitions. [2022-11-03 03:38:29,059 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1909 transitions. Word has length 346 [2022-11-03 03:38:29,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:29,060 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1909 transitions. [2022-11-03 03:38:29,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1909 transitions. [2022-11-03 03:38:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:29,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:29,063 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:29,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:29,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:29,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,125 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:29,463 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:29,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:29,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1428723519, now seen corresponding path program 1 times [2022-11-03 03:38:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:29,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120654192] [2022-11-03 03:38:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:29,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:29,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:29,466 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2022-11-03 03:38:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:30,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:30,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:30,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:30,690 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120654192] [2022-11-03 03:38:30,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120654192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1508369576] [2022-11-03 03:38:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:30,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:30,696 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:30,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2022-11-03 03:38:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:32,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:32,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:32,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:32,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1508369576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:32,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:32,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:32,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053342261] [2022-11-03 03:38:32,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:32,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:32,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:32,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:32,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:32,522 INFO L87 Difference]: Start difference. First operand 1484 states and 1909 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:32,982 INFO L93 Difference]: Finished difference Result 2563 states and 3341 transitions. [2022-11-03 03:38:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:32,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:32,984 INFO L225 Difference]: With dead ends: 2563 [2022-11-03 03:38:32,984 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:32,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:32,986 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 811 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:32,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1800 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.278118609406953) internal successors, (1875), 1467 states have internal predecessors, (1875), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:33,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1905 transitions. [2022-11-03 03:38:33,135 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1905 transitions. Word has length 346 [2022-11-03 03:38:33,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:33,135 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1905 transitions. [2022-11-03 03:38:33,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1905 transitions. [2022-11-03 03:38:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:33,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:33,139 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:33,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Ended with exit code 0 [2022-11-03 03:38:33,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:33,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 127 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,128 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:33,543 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:33,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:33,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1272742977, now seen corresponding path program 1 times [2022-11-03 03:38:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:33,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260940173] [2022-11-03 03:38:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:33,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:33,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:33,546 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:33,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2022-11-03 03:38:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:34,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:34,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:34,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:34,768 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:34,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260940173] [2022-11-03 03:38:34,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260940173] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:34,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [525632953] [2022-11-03 03:38:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:34,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:34,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:34,770 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:34,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2022-11-03 03:38:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:36,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:36,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:36,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:36,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [525632953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:36,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:36,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:36,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123197647] [2022-11-03 03:38:36,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:36,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:36,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:36,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:36,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:36,587 INFO L87 Difference]: Start difference. First operand 1484 states and 1905 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:37,038 INFO L93 Difference]: Finished difference Result 2555 states and 3324 transitions. [2022-11-03 03:38:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:37,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:37,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:37,040 INFO L225 Difference]: With dead ends: 2555 [2022-11-03 03:38:37,040 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:37,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:37,041 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 805 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:37,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1797 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:37,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2753919563735514) internal successors, (1871), 1467 states have internal predecessors, (1871), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1901 transitions. [2022-11-03 03:38:37,191 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1901 transitions. Word has length 346 [2022-11-03 03:38:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:37,191 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1901 transitions. [2022-11-03 03:38:37,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1901 transitions. [2022-11-03 03:38:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:37,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:37,193 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:37,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2022-11-03 03:38:37,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Ended with exit code 0 [2022-11-03 03:38:37,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,129 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:37,594 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:37,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1342390851, now seen corresponding path program 1 times [2022-11-03 03:38:37,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:37,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607286061] [2022-11-03 03:38:37,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:37,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:37,597 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:37,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2022-11-03 03:38:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:38,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:38,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:38,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:38,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:38,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607286061] [2022-11-03 03:38:38,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607286061] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:38,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [810246996] [2022-11-03 03:38:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:38,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:38,812 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:38,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2022-11-03 03:38:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:40,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:40,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:40,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:40,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [810246996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:40,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:40,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805264313] [2022-11-03 03:38:40,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:40,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:40,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:40,633 INFO L87 Difference]: Start difference. First operand 1484 states and 1901 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:41,101 INFO L93 Difference]: Finished difference Result 2547 states and 3304 transitions. [2022-11-03 03:38:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:41,103 INFO L225 Difference]: With dead ends: 2547 [2022-11-03 03:38:41,103 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:41,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:41,104 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 799 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:41,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:41,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.27266530334015) internal successors, (1867), 1467 states have internal predecessors, (1867), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1897 transitions. [2022-11-03 03:38:41,251 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1897 transitions. Word has length 346 [2022-11-03 03:38:41,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:41,251 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1897 transitions. [2022-11-03 03:38:41,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1897 transitions. [2022-11-03 03:38:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:41,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:41,255 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:41,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2022-11-03 03:38:41,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Ended with exit code 0 [2022-11-03 03:38:41,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,131 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:41,656 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:41,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1705857349, now seen corresponding path program 1 times [2022-11-03 03:38:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:41,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474916495] [2022-11-03 03:38:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:41,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:41,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:41,658 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:41,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2022-11-03 03:38:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:42,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:42,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:42,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:42,871 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:42,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474916495] [2022-11-03 03:38:42,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474916495] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:42,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [927752225] [2022-11-03 03:38:42,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:42,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:42,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:42,872 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:42,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2022-11-03 03:38:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:44,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:44,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:44,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:44,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [927752225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:44,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:44,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:44,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733213930] [2022-11-03 03:38:44,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:44,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:44,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:44,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:44,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:44,718 INFO L87 Difference]: Start difference. First operand 1484 states and 1897 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:45,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:45,179 INFO L93 Difference]: Finished difference Result 2539 states and 3287 transitions. [2022-11-03 03:38:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:45,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:45,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:45,181 INFO L225 Difference]: With dead ends: 2539 [2022-11-03 03:38:45,181 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:45,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:45,182 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 793 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:45,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:45,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:45,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2699386503067485) internal successors, (1863), 1467 states have internal predecessors, (1863), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1893 transitions. [2022-11-03 03:38:45,337 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1893 transitions. Word has length 346 [2022-11-03 03:38:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:45,338 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1893 transitions. [2022-11-03 03:38:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1893 transitions. [2022-11-03 03:38:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:45,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:45,340 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:45,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2022-11-03 03:38:45,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Ended with exit code 0 [2022-11-03 03:38:45,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,133 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:45,740 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:45,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:45,741 INFO L85 PathProgramCache]: Analyzing trace with hash 757805383, now seen corresponding path program 1 times [2022-11-03 03:38:45,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:45,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297167802] [2022-11-03 03:38:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:45,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:45,743 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2022-11-03 03:38:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:46,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:46,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:46,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:47,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:47,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297167802] [2022-11-03 03:38:47,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297167802] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:47,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1750808047] [2022-11-03 03:38:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:47,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:47,096 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:47,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2022-11-03 03:38:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:48,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:48,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:48,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:48,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1750808047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:48,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:48,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:48,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594015535] [2022-11-03 03:38:48,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:48,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:48,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:48,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:48,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:48,956 INFO L87 Difference]: Start difference. First operand 1484 states and 1893 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:49,410 INFO L93 Difference]: Finished difference Result 2531 states and 3270 transitions. [2022-11-03 03:38:49,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:49,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:49,413 INFO L225 Difference]: With dead ends: 2531 [2022-11-03 03:38:49,413 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:49,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:49,414 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 787 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:49,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1788 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2672119972733469) internal successors, (1859), 1467 states have internal predecessors, (1859), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1889 transitions. [2022-11-03 03:38:49,565 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1889 transitions. Word has length 346 [2022-11-03 03:38:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:49,565 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1889 transitions. [2022-11-03 03:38:49,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1889 transitions. [2022-11-03 03:38:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:49,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:49,567 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:49,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2022-11-03 03:38:49,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Ended with exit code 0 [2022-11-03 03:38:49,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,135 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:49,968 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:49,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:49,968 INFO L85 PathProgramCache]: Analyzing trace with hash 51208777, now seen corresponding path program 1 times [2022-11-03 03:38:49,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:49,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750381320] [2022-11-03 03:38:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:49,972 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:49,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2022-11-03 03:38:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:50,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:50,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:51,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:51,169 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:51,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750381320] [2022-11-03 03:38:51,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750381320] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:51,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [765909810] [2022-11-03 03:38:51,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:51,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:51,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:51,170 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:51,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2022-11-03 03:38:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:52,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:52,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:53,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:53,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [765909810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:53,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:53,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:53,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470308937] [2022-11-03 03:38:53,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:53,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:53,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:53,056 INFO L87 Difference]: Start difference. First operand 1484 states and 1889 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:53,530 INFO L93 Difference]: Finished difference Result 2523 states and 3253 transitions. [2022-11-03 03:38:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:53,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:53,532 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 03:38:53,532 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:53,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:53,534 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 781 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:53,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1785 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:53,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2644853442399455) internal successors, (1855), 1467 states have internal predecessors, (1855), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1885 transitions. [2022-11-03 03:38:53,694 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1885 transitions. Word has length 346 [2022-11-03 03:38:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:53,695 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1885 transitions. [2022-11-03 03:38:53,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1885 transitions. [2022-11-03 03:38:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:53,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:53,697 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:53,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2022-11-03 03:38:53,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:54,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,137 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,098 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:54,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:54,098 INFO L85 PathProgramCache]: Analyzing trace with hash 539255883, now seen corresponding path program 1 times [2022-11-03 03:38:54,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:54,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735206106] [2022-11-03 03:38:54,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:54,100 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:54,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Waiting until timeout for monitored process [2022-11-03 03:38:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:55,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:55,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:55,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:55,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:55,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735206106] [2022-11-03 03:38:55,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735206106] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:55,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [884866835] [2022-11-03 03:38:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:55,336 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:55,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2022-11-03 03:38:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:56,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:56,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:57,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:57,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [884866835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:57,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:57,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:57,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324200049] [2022-11-03 03:38:57,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:57,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:57,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:57,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:57,242 INFO L87 Difference]: Start difference. First operand 1484 states and 1885 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:57,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:57,742 INFO L93 Difference]: Finished difference Result 2523 states and 3249 transitions. [2022-11-03 03:38:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:57,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:57,744 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 03:38:57,744 INFO L226 Difference]: Without dead ends: 1861 [2022-11-03 03:38:57,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:57,745 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 773 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:57,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1787 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-11-03 03:38:57,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1484. [2022-11-03 03:38:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2631220177232447) internal successors, (1853), 1467 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1883 transitions. [2022-11-03 03:38:57,871 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1883 transitions. Word has length 346 [2022-11-03 03:38:57,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:57,871 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1883 transitions. [2022-11-03 03:38:57,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1883 transitions. [2022-11-03 03:38:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:57,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:57,874 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:57,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Ended with exit code 0 [2022-11-03 03:38:58,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2022-11-03 03:38:58,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 139 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,140 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:58,274 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:58,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:58,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1826779187, now seen corresponding path program 1 times [2022-11-03 03:38:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:58,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430144649] [2022-11-03 03:38:58,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:58,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:58,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:58,277 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:58,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Waiting until timeout for monitored process [2022-11-03 03:38:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:59,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:59,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:59,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:59,514 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:59,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:59,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430144649] [2022-11-03 03:38:59,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430144649] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:59,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1988644155] [2022-11-03 03:38:59,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:59,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:59,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:59,516 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:59,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2022-11-03 03:39:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:01,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:01,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:01,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:01,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1988644155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:01,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:01,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:01,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378399031] [2022-11-03 03:39:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:01,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:01,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:01,438 INFO L87 Difference]: Start difference. First operand 1484 states and 1883 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:01,930 INFO L93 Difference]: Finished difference Result 2537 states and 3264 transitions. [2022-11-03 03:39:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:01,932 INFO L225 Difference]: With dead ends: 2537 [2022-11-03 03:39:01,932 INFO L226 Difference]: Without dead ends: 1875 [2022-11-03 03:39:01,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:01,934 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 763 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:01,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 1783 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-11-03 03:39:02,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1484. [2022-11-03 03:39:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2603953646898431) internal successors, (1849), 1467 states have internal predecessors, (1849), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1879 transitions. [2022-11-03 03:39:02,058 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1879 transitions. Word has length 346 [2022-11-03 03:39:02,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:02,058 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1879 transitions. [2022-11-03 03:39:02,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1879 transitions. [2022-11-03 03:39:02,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:02,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:02,061 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:02,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:02,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2022-11-03 03:39:02,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 141 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,142 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:02,463 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash 326327631, now seen corresponding path program 1 times [2022-11-03 03:39:02,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:02,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325164491] [2022-11-03 03:39:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:02,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:02,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:02,467 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:02,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Waiting until timeout for monitored process [2022-11-03 03:39:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:03,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:03,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:03,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:03,694 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:03,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325164491] [2022-11-03 03:39:03,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325164491] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:03,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [126249584] [2022-11-03 03:39:03,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:03,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:03,695 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2022-11-03 03:39:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:05,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:05,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:05,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:05,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [126249584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:05,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:05,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:05,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685158588] [2022-11-03 03:39:05,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:05,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:05,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:05,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:05,599 INFO L87 Difference]: Start difference. First operand 1484 states and 1879 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:06,145 INFO L93 Difference]: Finished difference Result 2561 states and 3289 transitions. [2022-11-03 03:39:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:06,147 INFO L225 Difference]: With dead ends: 2561 [2022-11-03 03:39:06,147 INFO L226 Difference]: Without dead ends: 1899 [2022-11-03 03:39:06,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:06,152 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 753 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:06,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1782 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-11-03 03:39:06,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1488. [2022-11-03 03:39:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1471 states have (on average 1.2583276682528892) internal successors, (1851), 1471 states have internal predecessors, (1851), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1881 transitions. [2022-11-03 03:39:06,302 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1881 transitions. Word has length 346 [2022-11-03 03:39:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:06,302 INFO L495 AbstractCegarLoop]: Abstraction has 1488 states and 1881 transitions. [2022-11-03 03:39:06,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1881 transitions. [2022-11-03 03:39:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:06,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:06,305 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:06,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:06,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:06,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 143 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,144 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:06,705 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:06,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1357368529, now seen corresponding path program 1 times [2022-11-03 03:39:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:06,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664384757] [2022-11-03 03:39:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:06,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:06,708 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:06,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Waiting until timeout for monitored process [2022-11-03 03:39:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:07,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:07,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:07,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:07,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:07,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664384757] [2022-11-03 03:39:07,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664384757] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:07,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [846766783] [2022-11-03 03:39:07,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:07,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:07,928 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:07,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2022-11-03 03:39:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:09,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:09,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:09,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:09,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [846766783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:09,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:09,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:09,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112663415] [2022-11-03 03:39:09,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:09,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:09,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:09,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:09,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:09,856 INFO L87 Difference]: Start difference. First operand 1488 states and 1881 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:10,350 INFO L93 Difference]: Finished difference Result 2573 states and 3295 transitions. [2022-11-03 03:39:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:10,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:10,351 INFO L225 Difference]: With dead ends: 2573 [2022-11-03 03:39:10,352 INFO L226 Difference]: Without dead ends: 1911 [2022-11-03 03:39:10,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:10,352 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 747 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:10,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1779 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:10,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-11-03 03:39:10,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1492. [2022-11-03 03:39:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.256271186440678) internal successors, (1853), 1475 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1883 transitions. [2022-11-03 03:39:10,491 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1883 transitions. Word has length 346 [2022-11-03 03:39:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:10,491 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1883 transitions. [2022-11-03 03:39:10,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1883 transitions. [2022-11-03 03:39:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:10,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:10,495 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:10,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:10,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Ended with exit code 0 [2022-11-03 03:39:10,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 146 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,145 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:10,896 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:10,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1586213549, now seen corresponding path program 1 times [2022-11-03 03:39:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663249797] [2022-11-03 03:39:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:10,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:10,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:10,899 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:10,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Waiting until timeout for monitored process [2022-11-03 03:39:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:11,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:11,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:11,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:12,147 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:12,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663249797] [2022-11-03 03:39:12,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663249797] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:12,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [220412537] [2022-11-03 03:39:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:12,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:12,148 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:12,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2022-11-03 03:39:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:14,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:14,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:14,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:14,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [220412537] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:14,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984381636] [2022-11-03 03:39:14,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:14,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:39:14,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:14,366 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:39:14,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Waiting until timeout for monitored process [2022-11-03 03:39:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:15,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:15,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:15,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:15,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984381636] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:15,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 03:39:15,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 8, 10, 10] total 24 [2022-11-03 03:39:15,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029004472] [2022-11-03 03:39:15,679 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 03:39:15,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 03:39:15,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:15,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 03:39:15,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:39:15,681 INFO L87 Difference]: Start difference. First operand 1492 states and 1883 transitions. Second operand has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 03:39:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:17,772 INFO L93 Difference]: Finished difference Result 2169 states and 2752 transitions. [2022-11-03 03:39:17,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 03:39:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) Word has length 346 [2022-11-03 03:39:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:17,774 INFO L225 Difference]: With dead ends: 2169 [2022-11-03 03:39:17,774 INFO L226 Difference]: Without dead ends: 1108 [2022-11-03 03:39:17,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2044 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 03:39:17,775 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 5301 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:17,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 2692 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 03:39:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-11-03 03:39:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1098. [2022-11-03 03:39:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1081 states have (on average 1.2941720629047178) internal successors, (1399), 1081 states have internal predecessors, (1399), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1429 transitions. [2022-11-03 03:39:17,898 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1429 transitions. Word has length 346 [2022-11-03 03:39:17,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:17,899 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1429 transitions. [2022-11-03 03:39:17,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 03:39:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1429 transitions. [2022-11-03 03:39:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:39:17,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:17,903 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:17,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:18,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:18,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Ended with exit code 0 [2022-11-03 03:39:18,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 147 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,148 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,149 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:39:18,520 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:18,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1532583156, now seen corresponding path program 1 times [2022-11-03 03:39:18,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:18,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642090106] [2022-11-03 03:39:18,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:18,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:18,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:18,524 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:18,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Waiting until timeout for monitored process [2022-11-03 03:39:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:19,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:39:19,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 14 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-03 03:39:21,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:21,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:21,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642090106] [2022-11-03 03:39:21,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642090106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:39:21,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [992428040] [2022-11-03 03:39:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:21,404 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:21,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2022-11-03 03:39:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:39:24,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 389 proven. 82 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:39:26,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:26,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [992428040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:39:26,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935400690] [2022-11-03 03:39:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:39:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:26,771 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:39:26,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Waiting until timeout for monitored process [2022-11-03 03:39:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:28,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:28,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 57 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-03 03:39:30,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:31,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935400690] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:39:31,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:39:31,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19 [2022-11-03 03:39:31,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129762991] [2022-11-03 03:39:31,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:39:31,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-03 03:39:31,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:31,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-03 03:39:31,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:39:31,020 INFO L87 Difference]: Start difference. First operand 1098 states and 1429 transitions. Second operand has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:04,044 INFO L93 Difference]: Finished difference Result 12280 states and 16357 transitions. [2022-11-03 03:40:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-03 03:40:04,044 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:40:04,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:04,050 INFO L225 Difference]: With dead ends: 12280 [2022-11-03 03:40:04,050 INFO L226 Difference]: Without dead ends: 11316 [2022-11-03 03:40:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2930 GetRequests, 2747 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11808 ImplicationChecksByTransitivity, 22.4s TimeCoverageRelationStatistics Valid=6652, Invalid=27388, Unknown=0, NotChecked=0, Total=34040 [2022-11-03 03:40:04,055 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 22489 mSDsluCounter, 22033 mSDsCounter, 0 mSdLazyCounter, 5781 mSolverCounterSat, 1151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22489 SdHoareTripleChecker+Valid, 24212 SdHoareTripleChecker+Invalid, 6932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 5781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:04,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22489 Valid, 24212 Invalid, 6932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1151 Valid, 5781 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 03:40:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11316 states. [2022-11-03 03:40:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11316 to 1337. [2022-11-03 03:40:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1317 states have (on average 1.319665907365224) internal successors, (1738), 1317 states have internal predecessors, (1738), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:40:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1774 transitions. [2022-11-03 03:40:04,268 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1774 transitions. Word has length 597 [2022-11-03 03:40:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:04,269 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 1774 transitions. [2022-11-03 03:40:04,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1774 transitions. [2022-11-03 03:40:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:40:04,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:04,272 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:04,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2022-11-03 03:40:04,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:04,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:04,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 151 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,152 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,150 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:04,874 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1410519814, now seen corresponding path program 1 times [2022-11-03 03:40:04,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:04,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358217459] [2022-11-03 03:40:04,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:04,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:04,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:04,877 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:04,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Waiting until timeout for monitored process [2022-11-03 03:40:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:06,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:06,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 18 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-03 03:40:07,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:07,826 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:07,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358217459] [2022-11-03 03:40:07,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358217459] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:07,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1222482418] [2022-11-03 03:40:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:07,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:40:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:40:07,831 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:40:07,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2022-11-03 03:40:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:10,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:10,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 381 proven. 90 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:40:13,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:14,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1222482418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:14,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238340783] [2022-11-03 03:40:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:14,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:14,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:14,231 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:14,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Waiting until timeout for monitored process [2022-11-03 03:40:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:15,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:15,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 19 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-03 03:40:17,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:17,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238340783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:17,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:40:17,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:40:17,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623130662] [2022-11-03 03:40:17,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:40:17,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:40:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:17,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:40:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:40:17,523 INFO L87 Difference]: Start difference. First operand 1337 states and 1774 transitions. Second operand has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:45,560 INFO L93 Difference]: Finished difference Result 13744 states and 18418 transitions. [2022-11-03 03:40:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-11-03 03:40:45,560 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:40:45,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:45,569 INFO L225 Difference]: With dead ends: 13744 [2022-11-03 03:40:45,569 INFO L226 Difference]: Without dead ends: 12547 [2022-11-03 03:40:45,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2925 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11446 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=6603, Invalid=26339, Unknown=0, NotChecked=0, Total=32942 [2022-11-03 03:40:45,574 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 26587 mSDsluCounter, 21662 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 1326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26587 SdHoareTripleChecker+Valid, 23669 SdHoareTripleChecker+Invalid, 6579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1326 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:45,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26587 Valid, 23669 Invalid, 6579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1326 Valid, 5253 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-03 03:40:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12547 states. [2022-11-03 03:40:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12547 to 1347. [2022-11-03 03:40:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1327 states have (on average 1.3134890730972117) internal successors, (1743), 1327 states have internal predecessors, (1743), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:40:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1779 transitions. [2022-11-03 03:40:45,847 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1779 transitions. Word has length 597 [2022-11-03 03:40:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:45,847 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 1779 transitions. [2022-11-03 03:40:45,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1779 transitions. [2022-11-03 03:40:45,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:40:45,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:45,850 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:45,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2022-11-03 03:40:46,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Ended with exit code 0 [2022-11-03 03:40:46,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:46,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 154 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,153 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,155 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:46,451 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:46,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:46,452 INFO L85 PathProgramCache]: Analyzing trace with hash 767794816, now seen corresponding path program 1 times [2022-11-03 03:40:46,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:46,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104415009] [2022-11-03 03:40:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:46,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:46,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:46,455 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:46,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Waiting until timeout for monitored process [2022-11-03 03:40:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:47,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:47,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 20 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-03 03:40:49,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:49,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:49,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104415009] [2022-11-03 03:40:49,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104415009] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:49,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [143795742] [2022-11-03 03:40:49,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:40:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:40:49,343 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:40:49,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2022-11-03 03:40:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:52,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:52,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 377 proven. 94 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:40:55,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:55,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [143795742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:55,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129767671] [2022-11-03 03:40:55,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:55,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:55,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:55,847 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:55,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2022-11-03 03:40:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:57,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:40:57,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 51 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-03 03:40:59,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:59,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129767671] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:59,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:40:59,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:40:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015261067] [2022-11-03 03:40:59,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:40:59,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:40:59,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:59,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:40:59,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:40:59,954 INFO L87 Difference]: Start difference. First operand 1347 states and 1779 transitions. Second operand has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:41:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:30,323 INFO L93 Difference]: Finished difference Result 14124 states and 18847 transitions. [2022-11-03 03:41:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:41:30,323 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:41:30,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:30,331 INFO L225 Difference]: With dead ends: 14124 [2022-11-03 03:41:30,331 INFO L226 Difference]: Without dead ends: 12949 [2022-11-03 03:41:30,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11583 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:41:30,334 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 23373 mSDsluCounter, 24268 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 1213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23373 SdHoareTripleChecker+Valid, 26898 SdHoareTripleChecker+Invalid, 7138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1213 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:30,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23373 Valid, 26898 Invalid, 7138 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1213 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 03:41:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12949 states. [2022-11-03 03:41:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12949 to 1355. [2022-11-03 03:41:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1335 states have (on average 1.3063670411985018) internal successors, (1744), 1335 states have internal predecessors, (1744), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:41:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1780 transitions. [2022-11-03 03:41:30,615 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1780 transitions. Word has length 597 [2022-11-03 03:41:30,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:30,615 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1780 transitions. [2022-11-03 03:41:30,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:41:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1780 transitions. [2022-11-03 03:41:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:41:30,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:30,618 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:30,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Ended with exit code 0 [2022-11-03 03:41:30,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:31,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:31,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 156 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,158 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,157 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:41:31,219 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:31,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:31,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2043617670, now seen corresponding path program 1 times [2022-11-03 03:41:31,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:31,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482588244] [2022-11-03 03:41:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:31,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:31,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:31,223 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:31,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Waiting until timeout for monitored process [2022-11-03 03:41:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:32,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:41:32,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 22 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-03 03:41:34,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:34,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:34,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482588244] [2022-11-03 03:41:34,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482588244] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:34,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1736816661] [2022-11-03 03:41:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:34,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:41:34,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:41:34,201 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:41:34,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2022-11-03 03:41:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:37,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:41:37,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 373 proven. 98 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:41:40,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:40,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1736816661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:40,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865960503] [2022-11-03 03:41:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:40,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:40,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:40,844 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:41:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2022-11-03 03:41:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:42,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:41:42,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 53 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-03 03:41:44,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:44,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865960503] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:44,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:41:44,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:41:44,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171369405] [2022-11-03 03:41:44,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:41:44,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:41:44,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:44,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:41:44,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:41:44,887 INFO L87 Difference]: Start difference. First operand 1355 states and 1780 transitions. Second operand has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:42:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:15,160 INFO L93 Difference]: Finished difference Result 14172 states and 18829 transitions. [2022-11-03 03:42:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:42:15,160 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:42:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:15,170 INFO L225 Difference]: With dead ends: 14172 [2022-11-03 03:42:15,170 INFO L226 Difference]: Without dead ends: 12991 [2022-11-03 03:42:15,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11642 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:42:15,173 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 22997 mSDsluCounter, 23140 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 1180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22997 SdHoareTripleChecker+Valid, 25447 SdHoareTripleChecker+Invalid, 6863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1180 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:15,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22997 Valid, 25447 Invalid, 6863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1180 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 03:42:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12991 states. [2022-11-03 03:42:15,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12991 to 1363. [2022-11-03 03:42:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1343 states have (on average 1.2993298585256887) internal successors, (1745), 1343 states have internal predecessors, (1745), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:42:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1781 transitions. [2022-11-03 03:42:15,412 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1781 transitions. Word has length 597 [2022-11-03 03:42:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:15,413 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1781 transitions. [2022-11-03 03:42:15,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:42:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1781 transitions. [2022-11-03 03:42:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:42:15,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:15,416 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:15,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Ended with exit code 0 [2022-11-03 03:42:15,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2022-11-03 03:42:15,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2022-11-03 03:42:16,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 159 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,160 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,161 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:16,017 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2097084788, now seen corresponding path program 1 times [2022-11-03 03:42:16,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:42:16,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179983415] [2022-11-03 03:42:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:16,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:42:16,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:42:16,020 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:42:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (162)] Waiting until timeout for monitored process [2022-11-03 03:42:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:17,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:42:17,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 24 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-03 03:42:18,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:42:18,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:42:18,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179983415] [2022-11-03 03:42:18,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179983415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:42:18,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [272173678] [2022-11-03 03:42:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:18,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:42:18,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:42:18,978 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:42:18,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a37a3-c85e-4580-8157-8f8b7995d8ec/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2022-11-03 03:42:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:21,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:42:21,845 INFO L286 TraceCheckSpWp]: Computing forward predicates...