./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur --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 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 --- 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-38b53e6 [2022-11-26 00:36:10,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:36:10,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:36:10,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:36:10,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:36:10,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:36:10,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:36:10,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:36:10,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:36:10,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:36:10,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:36:10,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:36:10,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:36:10,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:36:10,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:36:10,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:36:10,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:36:10,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:36:10,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:36:10,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:36:10,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:36:10,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:36:10,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:36:10,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:36:10,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:36:10,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:36:10,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:36:10,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:36:10,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:36:10,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:36:10,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:36:10,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:36:10,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:36:10,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:36:10,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:36:10,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:36:10,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:36:10,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:36:10,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:36:10,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:36:10,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:36:10,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:36:10,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:36:10,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:36:10,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:36:10,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:36:10,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:36:10,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:36:10,738 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:36:10,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:36:10,739 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:36:10,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:36:10,740 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:36:10,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:36:10,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:36:10,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:36:10,741 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:36:10,741 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:36:10,741 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:36:10,742 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:36:10,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:36:10,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:36:10,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:36:10,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:36:10,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:36:10,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:36:10,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:36:10,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:36:10,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:36:10,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:36:10,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:36:10,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:36:10,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:36:10,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:36:10,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:36:10,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:36:10,747 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:36:10,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:36:10,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:36:10,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:36:10,748 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_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 [2022-11-26 00:36:11,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:36:11,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:36:11,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:36:11,058 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:36:11,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:36:11,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-26 00:36:14,476 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:36:14,782 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:36:14,782 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-26 00:36:14,792 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/data/536566734/bd197fbe1d69456d93a16feae1540546/FLAGbb2ccc3f8 [2022-11-26 00:36:14,807 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/data/536566734/bd197fbe1d69456d93a16feae1540546 [2022-11-26 00:36:14,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:36:14,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:36:14,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:14,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:36:14,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:36:14,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:14" (1/1) ... [2022-11-26 00:36:14,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d38699d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:14, skipping insertion in model container [2022-11-26 00:36:14,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:14" (1/1) ... [2022-11-26 00:36:14,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:36:14,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:36:15,032 WARN L237 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_098f4e3e-5059-4db6-ae14-985e85372be7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-26 00:36:15,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:15,280 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:36:15,291 WARN L237 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_098f4e3e-5059-4db6-ae14-985e85372be7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-26 00:36:15,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:15,508 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:36:15,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15 WrapperNode [2022-11-26 00:36:15,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:15,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:15,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:36:15,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:36:15,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,628 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 921 [2022-11-26 00:36:15,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:15,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:36:15,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:36:15,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:36:15,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:36:15,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:36:15,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:36:15,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:36:15,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (1/1) ... [2022-11-26 00:36:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:36:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:15,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:36:15,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:36:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:36:15,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:36:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:36:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:36:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:36:15,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:36:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:36:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:36:16,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:36:16,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:36:21,622 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:36:21,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:36:21,805 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-26 00:36:21,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:21 BoogieIcfgContainer [2022-11-26 00:36:21,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:36:21,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:36:21,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:36:21,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:36:21,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:36:14" (1/3) ... [2022-11-26 00:36:21,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aae5808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:21, skipping insertion in model container [2022-11-26 00:36:21,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:15" (2/3) ... [2022-11-26 00:36:21,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aae5808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:21, skipping insertion in model container [2022-11-26 00:36:21,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:21" (3/3) ... [2022-11-26 00:36:21,823 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-26 00:36:21,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:36:21,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:36:21,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:36:21,929 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;@14837798, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:36:21,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:36:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:36:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:36:21,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:36:21,947 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:36:21,947 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:36:21,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:36:21,956 INFO L85 PathProgramCache]: Analyzing trace with hash -860056943, now seen corresponding path program 1 times [2022-11-26 00:36:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:36:21,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340627394] [2022-11-26 00:36:21,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:21,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:36:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:36:23,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:36:23,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340627394] [2022-11-26 00:36:23,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340627394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:36:23,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:36:23,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:36:23,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302623373] [2022-11-26 00:36:23,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:36:23,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:36:23,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:23,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:36:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:36:23,091 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:23,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:36:23,284 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-11-26 00:36:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:36:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-11-26 00:36:23,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:36:23,294 INFO L225 Difference]: With dead ends: 48 [2022-11-26 00:36:23,294 INFO L226 Difference]: Without dead ends: 25 [2022-11-26 00:36:23,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:36:23,300 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:36:23,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:36:23,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-26 00:36:23,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-26 00:36:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:36:23,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-26 00:36:23,355 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-11-26 00:36:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:36:23,356 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-26 00:36:23,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-26 00:36:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-26 00:36:23,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:36:23,360 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:36:23,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:36:23,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:36:23,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:36:23,361 INFO L85 PathProgramCache]: Analyzing trace with hash 400754470, now seen corresponding path program 1 times [2022-11-26 00:36:23,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:36:23,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339618882] [2022-11-26 00:36:23,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:23,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:36:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:36:23,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:36:23,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339618882] [2022-11-26 00:36:23,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339618882] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:23,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159943844] [2022-11-26 00:36:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:23,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:36:23,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:36:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:24,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:36:24,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:36:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:36:24,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:36:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:36:24,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159943844] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:24,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:36:24,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-26 00:36:24,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123670768] [2022-11-26 00:36:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:36:24,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:36:24,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:24,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:36:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:36:24,452 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:26,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:36:26,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:36:26,616 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-26 00:36:26,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:36:26,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-11-26 00:36:26,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:36:26,618 INFO L225 Difference]: With dead ends: 47 [2022-11-26 00:36:26,618 INFO L226 Difference]: Without dead ends: 26 [2022-11-26 00:36:26,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:36:26,620 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:36:26,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:36:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-26 00:36:26,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-26 00:36:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:36:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-26 00:36:26,627 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-11-26 00:36:26,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:36:26,628 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-26 00:36:26,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-26 00:36:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:36:26,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:36:26,630 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:36:26,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:36:26,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:26,840 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:36:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:36:26,840 INFO L85 PathProgramCache]: Analyzing trace with hash -61497197, now seen corresponding path program 1 times [2022-11-26 00:36:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:36:26,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498803905] [2022-11-26 00:36:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:36:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:36:27,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:36:27,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498803905] [2022-11-26 00:36:27,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498803905] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:27,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18921443] [2022-11-26 00:36:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:27,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:27,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:36:27,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:36:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:28,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-26 00:36:28,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:36:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:36:28,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:36:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:36:28,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18921443] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:36:28,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1814682417] [2022-11-26 00:36:28,385 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-26 00:36:28,385 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:36:28,389 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:36:28,396 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:36:28,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:36:28,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:36:28,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:36:28,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:36:29,136 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:36:29,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:36:29,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:36:30,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:36:30,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:36:30,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:36:30,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:36:35,486 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-11-26 00:36:35,488 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:36:49,292 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-26 00:36:49,292 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:36:49,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:36:49,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-11-26 00:36:49,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613177443] [2022-11-26 00:36:49,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:36:49,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:36:49,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:49,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:36:49,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:36:49,296 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:36:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:36:51,917 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-11-26 00:36:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:36:51,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-11-26 00:36:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:36:51,918 INFO L225 Difference]: With dead ends: 52 [2022-11-26 00:36:51,918 INFO L226 Difference]: Without dead ends: 29 [2022-11-26 00:36:51,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:36:51,920 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:36:51,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:36:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-26 00:36:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-26 00:36:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:36:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-11-26 00:36:51,926 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-11-26 00:36:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:36:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-11-26 00:36:51,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:36:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-26 00:36:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:36:51,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:36:51,928 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:36:51,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:36:52,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:52,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:36:52,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:36:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash 449457480, now seen corresponding path program 2 times [2022-11-26 00:36:52,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:36:52,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741825206] [2022-11-26 00:36:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:36:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:36:52,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:36:52,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741825206] [2022-11-26 00:36:52,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741825206] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:52,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780784137] [2022-11-26 00:36:52,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:36:52,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:52,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:52,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:36:52,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:36:53,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:36:53,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:36:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-26 00:36:53,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:36:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-26 00:36:53,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:36:53,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780784137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:36:53,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:36:53,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-26 00:36:53,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421460542] [2022-11-26 00:36:53,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:36:53,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:36:53,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:53,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:36:53,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:36:53,879 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:56,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:36:56,201 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-11-26 00:36:56,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:36:56,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-11-26 00:36:56,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:36:56,203 INFO L225 Difference]: With dead ends: 59 [2022-11-26 00:36:56,203 INFO L226 Difference]: Without dead ends: 57 [2022-11-26 00:36:56,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:36:56,205 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:36:56,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:36:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-26 00:36:56,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-11-26 00:36:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:36:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-11-26 00:36:56,217 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-11-26 00:36:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:36:56,218 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-26 00:36:56,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-26 00:36:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-11-26 00:36:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 00:36:56,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:36:56,220 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 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] [2022-11-26 00:36:56,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:36:56,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:56,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:36:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:36:56,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1480142713, now seen corresponding path program 1 times [2022-11-26 00:36:56,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:36:56,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857771805] [2022-11-26 00:36:56,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:36:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-26 00:36:57,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:36:57,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857771805] [2022-11-26 00:36:57,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857771805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:57,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217138605] [2022-11-26 00:36:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:36:57,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:36:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:57,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:36:58,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:36:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:36:58,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:36:58,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:36:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-26 00:36:58,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:36:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-26 00:36:58,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217138605] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:36:58,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:36:58,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-26 00:36:58,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552370498] [2022-11-26 00:36:58,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:36:58,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:36:58,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:58,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:36:58,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:36:58,823 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:00,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:37:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:00,612 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-11-26 00:37:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:00,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-11-26 00:37:00,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:00,613 INFO L225 Difference]: With dead ends: 63 [2022-11-26 00:37:00,613 INFO L226 Difference]: Without dead ends: 42 [2022-11-26 00:37:00,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:00,614 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:00,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:37:00,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-26 00:37:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-26 00:37:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:37:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-11-26 00:37:00,624 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-11-26 00:37:00,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:00,624 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-11-26 00:37:00,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-26 00:37:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:37:00,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:00,626 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 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] [2022-11-26 00:37:00,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:00,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:00,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:00,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:00,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2128043558, now seen corresponding path program 1 times [2022-11-26 00:37:00,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:00,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38649350] [2022-11-26 00:37:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:00,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-26 00:37:01,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:01,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38649350] [2022-11-26 00:37:01,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38649350] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:01,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929646906] [2022-11-26 00:37:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:01,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:37:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:02,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:37:02,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-26 00:37:02,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-26 00:37:02,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929646906] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:02,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:37:02,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-26 00:37:02,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731555663] [2022-11-26 00:37:02,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:02,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:02,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:02,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:02,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:02,898 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:03,041 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-11-26 00:37:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:03,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-11-26 00:37:03,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:03,043 INFO L225 Difference]: With dead ends: 65 [2022-11-26 00:37:03,043 INFO L226 Difference]: Without dead ends: 43 [2022-11-26 00:37:03,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:03,045 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:03,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:37:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-26 00:37:03,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-26 00:37:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:37:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-26 00:37:03,054 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-11-26 00:37:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:03,054 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-26 00:37:03,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-26 00:37:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-26 00:37:03,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:03,056 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 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] [2022-11-26 00:37:03,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:03,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:03,269 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash 483069382, now seen corresponding path program 1 times [2022-11-26 00:37:03,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:03,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225236665] [2022-11-26 00:37:03,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:03,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-26 00:37:04,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:04,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225236665] [2022-11-26 00:37:04,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225236665] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:04,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975028498] [2022-11-26 00:37:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:04,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:04,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:04,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:37:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:05,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:37:05,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-26 00:37:05,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-26 00:37:05,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975028498] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:05,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:37:05,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-26 00:37:05,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101965855] [2022-11-26 00:37:05,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:05,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:05,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:05,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:05,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:05,387 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:05,511 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-11-26 00:37:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-11-26 00:37:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:05,515 INFO L225 Difference]: With dead ends: 67 [2022-11-26 00:37:05,515 INFO L226 Difference]: Without dead ends: 44 [2022-11-26 00:37:05,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:05,516 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:05,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:37:05,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-26 00:37:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-26 00:37:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:37:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-26 00:37:05,531 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-11-26 00:37:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:05,533 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-26 00:37:05,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-26 00:37:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-26 00:37:05,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:05,535 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 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] [2022-11-26 00:37:05,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:05,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:05,736 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:05,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1681927714, now seen corresponding path program 1 times [2022-11-26 00:37:05,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:05,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135038347] [2022-11-26 00:37:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-26 00:37:06,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135038347] [2022-11-26 00:37:06,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135038347] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:06,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309178245] [2022-11-26 00:37:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:06,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:06,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:06,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:06,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:37:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:07,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:37:07,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-26 00:37:07,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-26 00:37:07,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309178245] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:07,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:37:07,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-26 00:37:07,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046633052] [2022-11-26 00:37:07,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:07,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:07,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:07,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:07,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:07,831 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:09,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:37:09,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:09,315 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-26 00:37:09,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:09,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-11-26 00:37:09,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:09,316 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:37:09,316 INFO L226 Difference]: Without dead ends: 45 [2022-11-26 00:37:09,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:37:09,318 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:09,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:37:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-26 00:37:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-26 00:37:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:37:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-11-26 00:37:09,326 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-11-26 00:37:09,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:09,327 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-11-26 00:37:09,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:37:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-26 00:37:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-26 00:37:09,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:09,328 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 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] [2022-11-26 00:37:09,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:09,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-26 00:37:09,539 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:09,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash -281868135, now seen corresponding path program 1 times [2022-11-26 00:37:09,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:09,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117275224] [2022-11-26 00:37:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:09,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-26 00:37:10,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:10,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117275224] [2022-11-26 00:37:10,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117275224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:10,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932815581] [2022-11-26 00:37:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:10,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:10,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:10,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:37:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:11,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:37:11,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-26 00:37:11,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-26 00:37:11,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932815581] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:37:11,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [399979415] [2022-11-26 00:37:11,577 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:37:11,577 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:37:11,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:37:11,578 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:37:11,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:37:11,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:37:11,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:11,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:37:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:11,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-26 00:37:11,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:37:12,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:12,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:12,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:37:12,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:37:12,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:37:15,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:15,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:15,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:15,587 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:15,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:16,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:16,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:16,391 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:16,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:37:16,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:16,724 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:16,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:17,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:37:17,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:18,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:18,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:18,813 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:18,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:20,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:20,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:20,050 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:20,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:37:20,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:20,679 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:20,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:21,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:37:22,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:22,264 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:22,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:23,724 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:23,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:37:24,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:24,504 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:24,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:25,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:25,362 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:25,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:26,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:26,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:26,690 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:26,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:37:27,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:27,671 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:27,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:28,134 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:37:28,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:37:38,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:38,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:39,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:39,775 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:39,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:40,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:40,587 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:40,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:41,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:37:41,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:37:41,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:37:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:42,469 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:42,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:43,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:43,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:43,605 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:43,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:37:44,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:44,336 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:44,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:44,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:37:45,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:45,525 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:45,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:46,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:46,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:46,773 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:46,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:37:47,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:47,609 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:47,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:48,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:48,115 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:48,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:49,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:49,481 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:37:49,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:37:50,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:50,273 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:37:50,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:37:50,712 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:37:50,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:38:00,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:38:00,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:38:01,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:02,025 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:02,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:02,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:02,424 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:02,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:03,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:38:03,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:38:03,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:38:04,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:04,339 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:04,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:05,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:05,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:05,424 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:38:05,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:38:06,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:06,082 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:06,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:06,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:38:07,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:07,268 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:07,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:08,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:08,570 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:38:08,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:38:09,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,321 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:09,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:09,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,872 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:38:09,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:38:11,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:11,330 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-26 00:38:11,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-26 00:38:12,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:12,312 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:38:12,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:38:12,801 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:38:12,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:38:34,660 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:38:34,661 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:38:47,502 WARN L233 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:01,344 WARN L233 SmtUtils]: Spent 13.54s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:18,522 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:31,573 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-26 00:39:31,573 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:39:31,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:39:31,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-11-26 00:39:31,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692965703] [2022-11-26 00:39:31,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:39:31,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:39:31,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:39:31,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:39:31,576 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:39:33,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:33,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:33,743 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-26 00:39:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:39:33,744 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-11-26 00:39:33,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:33,744 INFO L225 Difference]: With dead ends: 88 [2022-11-26 00:39:33,745 INFO L226 Difference]: Without dead ends: 49 [2022-11-26 00:39:33,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 57.0s TimeCoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:39:33,746 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:33,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:39:33,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-26 00:39:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-26 00:39:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:39:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-11-26 00:39:33,754 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-11-26 00:39:33,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:33,754 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-11-26 00:39:33,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:39:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-26 00:39:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:39:33,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:33,756 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 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] [2022-11-26 00:39:33,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:39:33,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-26 00:39:33,956 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash -27003653, now seen corresponding path program 2 times [2022-11-26 00:39:33,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:33,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444715372] [2022-11-26 00:39:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:33,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-26 00:39:35,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:35,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444715372] [2022-11-26 00:39:35,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444715372] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:39:35,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567917850] [2022-11-26 00:39:35,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:39:35,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:35,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:35,059 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:39:35,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:40:15,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-26 00:40:15,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:40:15,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:40:15,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:40:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-26 00:40:15,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:40:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-26 00:40:15,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567917850] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:40:15,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1033842464] [2022-11-26 00:40:15,895 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:40:15,896 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:40:15,896 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:40:15,896 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:40:15,897 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:40:15,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:15,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:40:15,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:40:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:16,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-26 00:40:16,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:40:16,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:40:16,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:16,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:40:16,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:40:19,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:19,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:40:19,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:19,463 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:19,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:19,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:19,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:20,022 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:20,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:40:20,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:20,340 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:20,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:21,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:40:21,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:40:21,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:22,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:22,371 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:22,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:23,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:23,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:23,360 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:23,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:40:23,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:23,959 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:23,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:24,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:40:25,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:25,094 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:25,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:26,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:26,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:26,476 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:26,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:40:27,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:27,223 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:27,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:27,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:27,786 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:27,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:29,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:29,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:29,127 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:29,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:40:29,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:29,815 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:29,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:30,403 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:40:30,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:40:39,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:40,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:40:41,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:41,308 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:41,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:41,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:41,712 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:41,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:42,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:40:42,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:40:43,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:40:43,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:43,601 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:43,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:44,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:44,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:44,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:44,659 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:44,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:40:45,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:45,287 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:45,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:45,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:40:46,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:46,408 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:46,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:47,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:47,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:47,695 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:40:47,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:40:48,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:48,384 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:48,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:49,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:49,112 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:40:49,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:40:50,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:50,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:50,500 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-26 00:40:50,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-26 00:40:51,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:51,147 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:40:51,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:40:51,750 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:40:51,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:41:01,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:41:01,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:41:02,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:02,537 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:02,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:02,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:02,927 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:02,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:03,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:41:04,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:41:04,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:41:04,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:04,900 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:04,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:05,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:05,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:05,866 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:41:05,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:41:06,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:06,422 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:06,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:06,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:41:07,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:07,612 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:07,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:08,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:08,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:08,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:08,910 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:41:08,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:41:09,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:09,655 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:09,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:10,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:10,163 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:41:10,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:41:11,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:11,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:11,593 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-26 00:41:11,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-26 00:41:12,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:12,468 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:41:12,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:41:12,887 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:41:12,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:41:32,855 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:41:32,856 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:41:45,783 WARN L233 SmtUtils]: Spent 9.69s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:06,696 WARN L233 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:24,685 WARN L233 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:38,404 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4169#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-26 00:42:38,404 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:42:38,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:42:38,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-11-26 00:42:38,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291817556] [2022-11-26 00:42:38,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:42:38,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:42:38,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:38,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:42:38,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:42:38,407 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:42:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:40,513 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-11-26 00:42:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:42:40,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-11-26 00:42:40,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:40,515 INFO L225 Difference]: With dead ends: 95 [2022-11-26 00:42:40,515 INFO L226 Difference]: Without dead ends: 53 [2022-11-26 00:42:40,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 65.6s TimeCoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:42:40,517 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:40,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:42:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-26 00:42:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-26 00:42:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:42:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-26 00:42:40,528 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-11-26 00:42:40,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:40,529 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-26 00:42:40,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:42:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-26 00:42:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-26 00:42:40,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:40,531 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 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] [2022-11-26 00:42:40,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:42:40,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:42:40,739 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:42:40,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash 384821121, now seen corresponding path program 3 times [2022-11-26 00:42:40,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:40,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276933119] [2022-11-26 00:42:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-26 00:42:42,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:42,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276933119] [2022-11-26 00:42:42,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276933119] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:42:42,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041053296] [2022-11-26 00:42:42,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:42:42,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:42:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:42:42,042 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:42:42,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:42:43,011 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:42:43,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:42:43,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-26 00:42:43,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:42:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-26 00:42:43,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:42:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-26 00:42:43,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041053296] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:42:43,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1779764139] [2022-11-26 00:42:43,265 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:42:43,266 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:42:43,266 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:42:43,266 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:42:43,266 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:42:43,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:42:43,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:42:43,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:42:43,487 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:42:43,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:42:43,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:42:43,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:42:43,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:42:43,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:42:44,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:42:46,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:42:46,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:42:46,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:46,760 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:46,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:47,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:47,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:47,335 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:42:47,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:42:47,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:47,682 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:47,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:48,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:42:48,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:42:48,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:42:49,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:49,637 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:49,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:50,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:50,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:50,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:50,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:50,670 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:42:50,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:42:51,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:51,307 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:51,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:51,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:42:52,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:52,454 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:52,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:53,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:53,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:53,826 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:42:53,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:42:54,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:54,506 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:54,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:55,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:55,267 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:55,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:42:56,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:56,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:56,825 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:42:56,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:42:57,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:42:57,542 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:42:57,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:42:57,941 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:42:57,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:43:07,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:43:07,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:43:08,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:09,025 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:09,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:09,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:09,411 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:09,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:10,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:43:10,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:43:10,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:43:11,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:11,794 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:11,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:12,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:12,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:12,794 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:43:12,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:43:13,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:13,405 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:13,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:14,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:43:14,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:14,722 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:14,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:15,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:15,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:16,000 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:43:16,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:43:16,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:16,797 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:16,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:17,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:17,402 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:43:17,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:43:18,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:18,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:18,725 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-26 00:43:18,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-26 00:43:19,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:19,605 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:19,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:20,016 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:43:20,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:43:29,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:43:29,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:43:30,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:30,996 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:30,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:31,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:31,372 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:31,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:32,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:43:32,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:43:32,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:43:33,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:33,289 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:33,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:34,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:34,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:34,379 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:43:34,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:43:34,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:34,896 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:34,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:35,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:43:36,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:36,140 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:36,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:43:37,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:37,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:37,397 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:43:37,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:43:37,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:38,011 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:38,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:38,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:38,776 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:43:38,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:43:40,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:40,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:40,185 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-26 00:43:40,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-26 00:43:40,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:43:40,909 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:43:40,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:43:41,340 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:43:41,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:44:01,129 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:44:01,131 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:44:16,362 WARN L233 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 634 DAG size of output: 458 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:44:34,749 WARN L233 SmtUtils]: Spent 17.90s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:44:53,159 WARN L233 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:45:07,231 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4871#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-26 00:45:07,232 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:07,232 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:07,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-11-26 00:45:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661028360] [2022-11-26 00:45:07,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:07,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-26 00:45:07,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-26 00:45:07,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1372, Unknown=0, NotChecked=0, Total=1560 [2022-11-26 00:45:07,234 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:45:11,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:11,101 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-11-26 00:45:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:45:11,101 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-26 00:45:11,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:11,102 INFO L225 Difference]: With dead ends: 103 [2022-11-26 00:45:11,102 INFO L226 Difference]: Without dead ends: 58 [2022-11-26 00:45:11,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 66.4s TimeCoverageRelationStatistics Valid=208, Invalid=1514, Unknown=0, NotChecked=0, Total=1722 [2022-11-26 00:45:11,104 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:11,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-26 00:45:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-26 00:45:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-26 00:45:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:45:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-26 00:45:11,130 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-11-26 00:45:11,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:11,131 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-26 00:45:11,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:45:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-26 00:45:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:45:11,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:11,136 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 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] [2022-11-26 00:45:11,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:11,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-26 00:45:11,337 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:45:11,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:11,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1212447786, now seen corresponding path program 4 times [2022-11-26 00:45:11,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:11,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654987458] [2022-11-26 00:45:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:11,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-26 00:45:12,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:12,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654987458] [2022-11-26 00:45:12,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654987458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:12,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107040973] [2022-11-26 00:45:12,753 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:45:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:12,755 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:12,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:45:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:13,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-26 00:45:13,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-26 00:45:13,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-26 00:45:14,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107040973] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092927353] [2022-11-26 00:45:14,138 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:45:14,139 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:14,139 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:14,139 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:14,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:14,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:14,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:45:14,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:45:14,330 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:45:14,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:45:14,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:45:14,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:45:14,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:14,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:45:14,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:45:14,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:45:17,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:17,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:45:17,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:17,571 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:17,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:18,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:18,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:18,099 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:18,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:45:18,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:18,479 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:18,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:19,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:19,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:45:19,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:45:20,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:20,445 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:20,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:21,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:21,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:21,517 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:21,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:45:22,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:22,135 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:22,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:22,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:45:23,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:23,304 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:23,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:24,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:24,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:24,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:24,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:24,575 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:24,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:45:25,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:25,282 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:25,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:25,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:26,001 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:26,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:27,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:27,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:27,424 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:27,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:45:28,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:28,155 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:28,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:28,550 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:45:28,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:45:37,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:38,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:45:38,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:38,929 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:38,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:39,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:39,710 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:39,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:40,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:45:40,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:45:41,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:45:41,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:41,863 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:41,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:43,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:43,068 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:43,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:45:43,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:43,669 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:43,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:44,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:45:45,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:45,177 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:45,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:46,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:45:46,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:46,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:46,483 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:45:46,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:45:47,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:47,260 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:47,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:47,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:47,917 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:45:47,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:45:49,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:49,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:49,425 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-26 00:45:49,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-26 00:45:50,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:45:50,337 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:45:50,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:45:50,756 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:45:50,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:46:00,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:46:00,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:46:02,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:02,147 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:02,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:02,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:02,537 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:02,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:03,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:46:03,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:46:03,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:46:04,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:04,587 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:04,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:05,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:05,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:05,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:05,759 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:46:05,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:46:06,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:06,392 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:06,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:06,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:46:07,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:07,599 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:07,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:08,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:08,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:08,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:08,938 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:46:08,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:46:09,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:09,776 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:09,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:10,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:10,471 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:10,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:46:11,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:11,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:11,850 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:46:11,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:46:12,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:46:12,640 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:46:12,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:46:13,019 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:46:13,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:46:34,182 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:46:34,184 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:46:48,470 WARN L233 SmtUtils]: Spent 10.44s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:47:04,078 WARN L233 SmtUtils]: Spent 14.90s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:47:24,629 WARN L233 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:47:39,396 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5639#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-26 00:47:39,396 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:47:39,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:47:39,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-11-26 00:47:39,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857289325] [2022-11-26 00:47:39,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:47:39,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-26 00:47:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:39,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-26 00:47:39,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2037, Unknown=0, NotChecked=0, Total=2256 [2022-11-26 00:47:39,399 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:47:43,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:43,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:43,207 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-11-26 00:47:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:47:43,208 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-26 00:47:43,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:43,208 INFO L225 Difference]: With dead ends: 108 [2022-11-26 00:47:43,209 INFO L226 Difference]: Without dead ends: 59 [2022-11-26 00:47:43,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 66.4s TimeCoverageRelationStatistics Valid=289, Invalid=2681, Unknown=0, NotChecked=0, Total=2970 [2022-11-26 00:47:43,211 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:43,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 280 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 426 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:47:43,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-26 00:47:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-26 00:47:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:47:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-26 00:47:43,226 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-11-26 00:47:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:43,226 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-26 00:47:43,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:47:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-26 00:47:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-26 00:47:43,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:43,228 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 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] [2022-11-26 00:47:43,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 00:47:43,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:47:43,444 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:43,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:43,444 INFO L85 PathProgramCache]: Analyzing trace with hash -61259807, now seen corresponding path program 5 times [2022-11-26 00:47:43,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:43,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934230469] [2022-11-26 00:47:43,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:43,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-26 00:47:44,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:44,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934230469] [2022-11-26 00:47:44,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934230469] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:47:44,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570974395] [2022-11-26 00:47:44,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:47:44,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:47:44,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:47:44,687 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:47:44,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098f4e3e-5059-4db6-ae14-985e85372be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 00:48:46,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-26 00:48:46,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:48:46,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:48:46,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-26 00:48:46,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:48:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-26 00:48:46,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570974395] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:48:46,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1243691695] [2022-11-26 00:48:46,391 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:48:46,391 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:48:46,392 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:48:46,392 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:48:46,392 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:48:46,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:48:46,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:48:46,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:48:46,601 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:48:46,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:48:46,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:48:46,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:48:46,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:48:46,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:48:46,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:48:47,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:48:49,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:48:49,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:48:49,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:49,709 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:49,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:50,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:50,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:50,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:50,419 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:48:50,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:48:50,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:50,731 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:50,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:51,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:48:52,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:48:52,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:48:52,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:52,969 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:52,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:53,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:53,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:53,954 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:48:53,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:48:54,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:54,555 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:54,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:55,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:48:55,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:55,865 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:55,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:57,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:57,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:57,041 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:48:57,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:48:57,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:57,862 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:57,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:58,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:58,528 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:48:58,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:48:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:59,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:59,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:00,012 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:00,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:49:00,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:00,737 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:00,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:01,231 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:49:01,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:49:11,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:49:11,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:49:12,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:12,933 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:12,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:13,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:13,346 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:13,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:14,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:49:14,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:49:14,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:49:15,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:15,373 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:15,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:16,463 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:16,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:49:16,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:17,007 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:17,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:17,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:49:18,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:18,180 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:18,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:19,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:19,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:19,617 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:19,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:49:20,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:20,366 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:20,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:21,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:21,086 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:21,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:22,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:22,590 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:22,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:49:23,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:23,433 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:23,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:24,059 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:49:24,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:49:33,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:49:34,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:49:35,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:35,443 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:35,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:35,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:35,895 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:35,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:36,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:49:36,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:49:37,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:49:37,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:38,008 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:38,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:39,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:39,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:39,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:39,101 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:39,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:49:39,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:39,767 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:39,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:40,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:49:40,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:40,882 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:40,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:42,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:42,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:42,419 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:42,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:49:43,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:43,095 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:43,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:43,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:43,818 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:43,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:45,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:45,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:49:45,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:45,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:45,366 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:49:45,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:49:46,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:49:46,076 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:49:46,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:49:46,636 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:49:46,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:50:08,561 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:50:08,563 INFO L180 IcfgInterpreter]: Interpretation finished