./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d6f719a3af5a1b18d2d500e502b9d73f095f7cb7cfc42870f3d26bdbe5915f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:27:40,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:27:40,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:27:41,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:27:41,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:27:41,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:27:41,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:27:41,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:27:41,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:27:41,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:27:41,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:27:41,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:27:41,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:27:41,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:27:41,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:27:41,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:27:41,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:27:41,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:27:41,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:27:41,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:27:41,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:27:41,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:27:41,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:27:41,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:27:41,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:27:41,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:27:41,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:27:41,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:27:41,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:27:41,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:27:41,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:27:41,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:27:41,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:27:41,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:27:41,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:27:41,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:27:41,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:27:41,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:27:41,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:27:41,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:27:41,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:27:41,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:27:41,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:27:41,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:27:41,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:27:41,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:27:41,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:27:41,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:27:41,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:27:41,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:27:41,174 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:27:41,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:27:41,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:27:41,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:27:41,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:27:41,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:27:41,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:27:41,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:27:41,175 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:27:41,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:27:41,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:27:41,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:27:41,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:27:41,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:27:41,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:27:41,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:27:41,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:27:41,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:27:41,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:27:41,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:27:41,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:27:41,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:41,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:27:41,179 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:27:41,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:27:41,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:27:41,180 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:27:41,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:27:41,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:27:41,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:27:41,181 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_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6f719a3af5a1b18d2d500e502b9d73f095f7cb7cfc42870f3d26bdbe5915f0 [2022-11-03 03:27:41,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:27:41,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:27:41,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:27:41,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:27:41,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:27:41,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2022-11-03 03:27:41,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/b45030ab7/bb9ebe90fb044822b494f8e7fa2a9515/FLAGbc67b075c [2022-11-03 03:27:42,159 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:27:42,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2022-11-03 03:27:42,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/b45030ab7/bb9ebe90fb044822b494f8e7fa2a9515/FLAGbc67b075c [2022-11-03 03:27:42,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/b45030ab7/bb9ebe90fb044822b494f8e7fa2a9515 [2022-11-03 03:27:42,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:27:42,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:27:42,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:42,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:27:42,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:27:42,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:42" (1/1) ... [2022-11-03 03:27:42,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f262f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:42, skipping insertion in model container [2022-11-03 03:27:42,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:42" (1/1) ... [2022-11-03 03:27:42,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:27:42,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:27:42,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1107,1120] [2022-11-03 03:27:43,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:43,268 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:27:43,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1107,1120] [2022-11-03 03:27:43,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:43,533 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:27:43,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43 WrapperNode [2022-11-03 03:27:43,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:43,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:43,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:27:43,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:27:43,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:43,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:43,936 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2923 [2022-11-03 03:27:43,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:43,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:27:43,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:27:43,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:27:43,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:43,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:27:44,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:27:44,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:27:44,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:27:44,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (1/1) ... [2022-11-03 03:27:44,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:44,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:27:44,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:27:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:27:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:27:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:27:45,136 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:27:45,139 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:28:06,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:28:23,379 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:28:23,380 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:28:23,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:23 BoogieIcfgContainer [2022-11-03 03:28:23,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:28:23,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:28:23,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:28:23,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:28:23,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:27:42" (1/3) ... [2022-11-03 03:28:23,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bab9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:23, skipping insertion in model container [2022-11-03 03:28:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:43" (2/3) ... [2022-11-03 03:28:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bab9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:23, skipping insertion in model container [2022-11-03 03:28:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:23" (3/3) ... [2022-11-03 03:28:23,398 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal7.c [2022-11-03 03:28:23,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:28:23,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:28:23,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:28:23,486 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;@29f5f0b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:28:23,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:28:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:28:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 03:28:23,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:23,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 03:28:23,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:23,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 31756353, now seen corresponding path program 1 times [2022-11-03 03:28:23,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:23,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736439865] [2022-11-03 03:28:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:23,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:33:40,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:38:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:38:28,951 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:38:28,953 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:38:28,955 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:38:28,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:38:28,961 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 03:38:28,965 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:38:29,065 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:38:29,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:38:29 BoogieIcfgContainer [2022-11-03 03:38:29,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:38:29,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:38:29,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:38:29,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:38:29,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:23" (3/4) ... [2022-11-03 03:38:29,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:38:29,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:38:29,140 INFO L158 Benchmark]: Toolchain (without parser) took 646789.86ms. Allocated memory was 111.1MB in the beginning and 7.0GB in the end (delta: 6.9GB). Free memory was 86.5MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2022-11-03 03:38:29,141 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:38:29,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.04ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 86.3MB in the beginning and 93.5MB in the end (delta: -7.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 402.39ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 60.3MB in the end (delta: 33.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,150 INFO L158 Benchmark]: Boogie Preprocessor took 372.76ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 49.4MB in the end (delta: 10.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,150 INFO L158 Benchmark]: RCFGBuilder took 39072.22ms. Allocated memory was 136.3MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 49.4MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 976.6MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,152 INFO L158 Benchmark]: TraceAbstraction took 605741.67ms. Allocated memory was 4.7GB in the beginning and 7.0GB in the end (delta: 2.3GB). Free memory was 4.1GB in the beginning and 3.7GB in the end (delta: 345.2MB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2022-11-03 03:38:29,153 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 7.0GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:38:29,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.04ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 86.3MB in the beginning and 93.5MB in the end (delta: -7.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 402.39ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 60.3MB in the end (delta: 33.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 372.76ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 49.4MB in the end (delta: 10.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * RCFGBuilder took 39072.22ms. Allocated memory was 136.3MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 49.4MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 976.6MB. Max. memory is 16.1GB. * TraceAbstraction took 605741.67ms. Allocated memory was 4.7GB in the beginning and 7.0GB in the end (delta: 2.3GB). Free memory was 4.1GB in the beginning and 3.7GB in the end (delta: 345.2MB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 7.0GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 209, overapproximation of bitwiseAnd at line 174, overapproximation of bitwiseComplement at line 206, overapproximation of bitwiseXOr at line 212. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L29] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L31] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 3); [L32] const SORT_8 msb_SORT_8 = (SORT_8)1 << (3 - 1); [L34] const SORT_15 mask_SORT_15 = (SORT_15)-1 >> (sizeof(SORT_15) * 8 - 5); [L35] const SORT_15 msb_SORT_15 = (SORT_15)1 << (5 - 1); [L37] const SORT_18 mask_SORT_18 = (SORT_18)-1 >> (sizeof(SORT_18) * 8 - 8); [L38] const SORT_18 msb_SORT_18 = (SORT_18)1 << (8 - 1); [L40] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 4); [L41] const SORT_106 msb_SORT_106 = (SORT_106)1 << (4 - 1); [L43] const SORT_146 mask_SORT_146 = (SORT_146)-1 >> (sizeof(SORT_146) * 8 - 6); [L44] const SORT_146 msb_SORT_146 = (SORT_146)1 << (6 - 1); [L46] const SORT_148 mask_SORT_148 = (SORT_148)-1 >> (sizeof(SORT_148) * 8 - 7); [L47] const SORT_148 msb_SORT_148 = (SORT_148)1 << (7 - 1); [L49] const SORT_151 mask_SORT_151 = (SORT_151)-1 >> (sizeof(SORT_151) * 8 - 9); [L50] const SORT_151 msb_SORT_151 = (SORT_151)1 << (9 - 1); [L52] const SORT_153 mask_SORT_153 = (SORT_153)-1 >> (sizeof(SORT_153) * 8 - 10); [L53] const SORT_153 msb_SORT_153 = (SORT_153)1 << (10 - 1); [L55] const SORT_155 mask_SORT_155 = (SORT_155)-1 >> (sizeof(SORT_155) * 8 - 11); [L56] const SORT_155 msb_SORT_155 = (SORT_155)1 << (11 - 1); [L58] const SORT_157 mask_SORT_157 = (SORT_157)-1 >> (sizeof(SORT_157) * 8 - 12); [L59] const SORT_157 msb_SORT_157 = (SORT_157)1 << (12 - 1); [L61] const SORT_516 mask_SORT_516 = (SORT_516)-1 >> (sizeof(SORT_516) * 8 - 13); [L62] const SORT_516 msb_SORT_516 = (SORT_516)1 << (13 - 1); [L64] const SORT_518 mask_SORT_518 = (SORT_518)-1 >> (sizeof(SORT_518) * 8 - 14); [L65] const SORT_518 msb_SORT_518 = (SORT_518)1 << (14 - 1); [L67] const SORT_520 mask_SORT_520 = (SORT_520)-1 >> (sizeof(SORT_520) * 8 - 15); [L68] const SORT_520 msb_SORT_520 = (SORT_520)1 << (15 - 1); [L70] const SORT_522 mask_SORT_522 = (SORT_522)-1 >> (sizeof(SORT_522) * 8 - 16); [L71] const SORT_522 msb_SORT_522 = (SORT_522)1 << (16 - 1); [L73] const SORT_524 mask_SORT_524 = (SORT_524)-1 >> (sizeof(SORT_524) * 8 - 17); [L74] const SORT_524 msb_SORT_524 = (SORT_524)1 << (17 - 1); [L76] const SORT_1 var_28 = 0; [L77] const SORT_18 var_32 = 0; [L78] const SORT_6 var_38 = 0; [L79] const SORT_1 var_46 = 1; [L80] const SORT_8 var_47 = 1; [L81] const SORT_8 var_50 = 3; [L82] const SORT_8 var_53 = 2; [L83] const SORT_8 var_57 = 5; [L84] const SORT_8 var_60 = 7; [L85] const SORT_8 var_63 = 6; [L86] const SORT_8 var_67 = 4; [L87] const SORT_6 var_73 = 2; [L88] const SORT_6 var_75 = 1; [L89] const SORT_6 var_85 = 3; [L90] const SORT_15 var_96 = 11; [L91] const SORT_15 var_98 = 10; [L92] const SORT_15 var_100 = 2; [L93] const SORT_15 var_102 = 9; [L94] const SORT_15 var_118 = 21; [L95] const SORT_15 var_120 = 20; [L96] const SORT_15 var_122 = 19; [L97] const SORT_15 var_124 = 18; [L98] const SORT_15 var_126 = 17; [L99] const SORT_15 var_128 = 16; [L100] const SORT_15 var_130 = 15; [L101] const SORT_15 var_132 = 14; [L102] const SORT_15 var_134 = 8; [L103] const SORT_15 var_136 = 6; [L104] const SORT_15 var_138 = 3; [L105] const SORT_15 var_140 = 5; [L106] const SORT_15 var_160 = 4; [L107] const SORT_15 var_162 = 1; [L108] const SORT_15 var_172 = 7; [L109] const SORT_15 var_190 = 13; [L110] const SORT_15 var_198 = 12; [L111] const SORT_15 var_219 = 23; [L112] const SORT_15 var_222 = 22; [L113] const SORT_15 var_231 = 25; [L114] const SORT_15 var_234 = 27; [L115] const SORT_15 var_237 = 26; [L116] const SORT_15 var_241 = 29; [L117] const SORT_15 var_244 = 31; [L118] const SORT_15 var_247 = 30; [L119] const SORT_15 var_251 = 28; [L120] const SORT_15 var_257 = 24; [L121] const SORT_146 var_280 = 0; [L122] const SORT_18 var_300 = 2; [L123] const SORT_18 var_302 = 1; [L124] const SORT_18 var_683 = 3; [L126] SORT_1 input_2; [L127] SORT_1 input_3; [L128] SORT_1 input_4; [L129] SORT_1 input_5; [L130] SORT_6 input_7; [L131] SORT_8 input_9; [L132] SORT_6 input_10; [L133] SORT_1 input_11; [L134] SORT_1 input_12; [L135] SORT_1 input_13; [L136] SORT_1 input_14; [L137] SORT_15 input_16; [L138] SORT_6 input_17; [L139] SORT_18 input_19; [L140] SORT_6 input_20; [L141] SORT_1 input_21; [L142] SORT_1 input_22; [L143] SORT_6 input_23; [L144] SORT_18 input_24; [L145] SORT_18 input_25; [L146] SORT_1 input_26; [L147] SORT_6 input_27; [L149] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] SORT_18 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_18; [L151] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] SORT_6 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L153] SORT_1 state_307 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] SORT_18 state_581 = __VERIFIER_nondet_uchar() & mask_SORT_18; [L155] SORT_6 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L157] SORT_1 init_30_arg_1 = var_28; [L158] state_29 = init_30_arg_1 [L159] SORT_18 init_34_arg_1 = var_32; [L160] state_33 = init_34_arg_1 [L161] SORT_1 init_36_arg_1 = var_28; [L162] state_35 = init_36_arg_1 [L163] SORT_6 init_40_arg_1 = var_38; [L164] state_39 = init_40_arg_1 [L165] SORT_1 init_308_arg_1 = var_28; [L166] state_307 = init_308_arg_1 [L167] SORT_18 init_582_arg_1 = var_32; [L168] state_581 = init_582_arg_1 [L169] SORT_6 init_632_arg_1 = var_38; [L170] state_631 = init_632_arg_1 VAL [init_308_arg_1=0, init_30_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_582_arg_1=0, init_632_arg_1=0, mask_SORT_1=1, mask_SORT_106=15, mask_SORT_146=63, mask_SORT_148=127, mask_SORT_15=31, mask_SORT_151=511, mask_SORT_153=1023, mask_SORT_155=2047, mask_SORT_157=4095, mask_SORT_18=255, mask_SORT_516=8191, mask_SORT_518=16383, mask_SORT_520=32767, mask_SORT_522=65535, mask_SORT_524=4294967295, mask_SORT_6=3, mask_SORT_8=7, msb_SORT_1=1, msb_SORT_106=8, msb_SORT_146=32, msb_SORT_148=64, msb_SORT_15=16, msb_SORT_151=256, msb_SORT_153=512, msb_SORT_155=1024, msb_SORT_157=2048, msb_SORT_18=128, msb_SORT_516=4096, msb_SORT_518=8192, msb_SORT_520=16384, msb_SORT_522=32768, msb_SORT_524=65536, msb_SORT_6=2, msb_SORT_8=4, state_29=0, state_307=0, state_33=0, state_35=0, state_39=0, state_581=0, state_631=0, var_100=2, var_102=9, var_118=21, var_120=20, var_122=19, var_124=18, var_126=17, var_128=16, var_130=15, var_132=14, var_134=8, var_136=6, var_138=3, var_140=5, var_160=4, var_162=1, var_172=7, var_190=13, var_198=12, var_219=23, var_222=22, var_231=25, var_234=27, var_237=26, var_241=29, var_244=31, var_247=30, var_251=28, var_257=24, var_28=0, var_280=0, var_300=2, var_302=1, var_32=0, var_38=0, var_46=1, var_47=1, var_50=3, var_53=2, var_57=5, var_60=7, var_63=6, var_67=4, var_683=3, var_73=2, var_75=1, var_85=3, var_96=11, var_98=10] [L173] input_2 = __VERIFIER_nondet_uchar() [L174] input_2 = input_2 & mask_SORT_1 [L175] input_3 = __VERIFIER_nondet_uchar() [L176] input_3 = input_3 & mask_SORT_1 [L177] input_4 = __VERIFIER_nondet_uchar() [L178] input_5 = __VERIFIER_nondet_uchar() [L179] input_5 = input_5 & mask_SORT_1 [L180] input_7 = __VERIFIER_nondet_uchar() [L181] input_7 = input_7 & mask_SORT_6 [L182] input_9 = __VERIFIER_nondet_uchar() [L183] input_9 = input_9 & mask_SORT_8 [L184] input_10 = __VERIFIER_nondet_uchar() [L185] input_10 = input_10 & mask_SORT_6 [L186] input_11 = __VERIFIER_nondet_uchar() [L187] input_11 = input_11 & mask_SORT_1 [L188] input_12 = __VERIFIER_nondet_uchar() [L189] input_13 = __VERIFIER_nondet_uchar() [L190] input_14 = __VERIFIER_nondet_uchar() [L191] input_16 = __VERIFIER_nondet_uchar() [L192] input_16 = input_16 & mask_SORT_15 [L193] input_17 = __VERIFIER_nondet_uchar() [L194] input_19 = __VERIFIER_nondet_uchar() [L195] input_20 = __VERIFIER_nondet_uchar() [L196] input_21 = __VERIFIER_nondet_uchar() [L197] input_22 = __VERIFIER_nondet_uchar() [L198] input_23 = __VERIFIER_nondet_uchar() [L199] input_24 = __VERIFIER_nondet_uchar() [L200] input_25 = __VERIFIER_nondet_uchar() [L201] input_26 = __VERIFIER_nondet_uchar() [L202] input_27 = __VERIFIER_nondet_uchar() [L205] SORT_1 var_31_arg_0 = state_29; [L206] SORT_1 var_31 = ~var_31_arg_0; [L207] SORT_1 var_82_arg_0 = input_12; [L208] SORT_1 var_82_arg_1 = input_11; [L209] SORT_6 var_82 = ((SORT_6)var_82_arg_0 << 1) | var_82_arg_1; [L210] var_82 = var_82 & mask_SORT_6 [L211] SORT_6 var_83_arg_0 = var_82; [L212] var_83_arg_0 ^= var_83_arg_0 >> 4 [L213] var_83_arg_0 ^= var_83_arg_0 >> 2 [L214] var_83_arg_0 ^= var_83_arg_0 >> 1 [L215] SORT_1 var_83 = var_83_arg_0; [L216] SORT_1 var_84_arg_0 = var_83; [L217] SORT_1 var_84 = ~var_84_arg_0; [L218] var_84 = var_84 & mask_SORT_1 [L219] SORT_8 var_285_arg_0 = input_9; [L220] SORT_8 var_285_arg_1 = var_57; [L221] SORT_1 var_285 = var_285_arg_0 == var_285_arg_1; [L222] SORT_8 var_286_arg_0 = input_9; [L223] SORT_8 var_286_arg_1 = var_67; [L224] SORT_1 var_286 = var_286_arg_0 == var_286_arg_1; [L225] SORT_1 var_348_arg_0 = var_285; [L226] SORT_1 var_348_arg_1 = var_286; [L227] SORT_6 var_348 = ((SORT_6)var_348_arg_0 << 1) | var_348_arg_1; [L228] var_348 = var_348 & mask_SORT_6 [L229] SORT_6 var_349_arg_0 = var_348; [L230] SORT_1 var_349 = var_349_arg_0 != 0; [L231] SORT_8 var_345_arg_0 = input_9; [L232] SORT_8 var_345_arg_1 = var_50; [L233] SORT_1 var_345 = var_345_arg_0 == var_345_arg_1; [L234] SORT_8 var_288_arg_0 = input_9; [L235] SORT_8 var_288_arg_1 = var_53; [L236] SORT_1 var_288 = var_288_arg_0 == var_288_arg_1; [L237] SORT_8 var_287_arg_0 = input_9; [L238] SORT_8 var_287_arg_1 = var_47; [L239] SORT_1 var_287 = var_287_arg_0 == var_287_arg_1; [L240] SORT_1 var_343_arg_0 = var_288; [L241] SORT_1 var_343_arg_1 = var_287; [L242] SORT_6 var_343 = ((SORT_6)var_343_arg_0 << 1) | var_343_arg_1; [L243] var_343 = var_343 & mask_SORT_6 [L244] SORT_6 var_344_arg_0 = var_343; [L245] SORT_1 var_344 = var_344_arg_0 != 0; [L246] SORT_1 var_346_arg_0 = var_345; [L247] SORT_1 var_346_arg_1 = var_344; [L248] SORT_6 var_346 = ((SORT_6)var_346_arg_0 << 1) | var_346_arg_1; [L249] var_346 = var_346 & mask_SORT_6 [L250] SORT_6 var_347_arg_0 = var_346; [L251] SORT_1 var_347 = var_347_arg_0 != 0; [L252] SORT_1 var_350_arg_0 = var_349; [L253] SORT_1 var_350_arg_1 = var_347; [L254] SORT_6 var_350 = ((SORT_6)var_350_arg_0 << 1) | var_350_arg_1; [L255] var_350 = var_350 & mask_SORT_6 [L256] SORT_6 var_351_arg_0 = var_350; [L257] SORT_1 var_351 = var_351_arg_0 != 0; [L258] SORT_6 var_86_arg_0 = input_7; [L259] SORT_6 var_86_arg_1 = var_85; [L260] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L261] SORT_1 var_87_arg_0 = var_86; [L262] SORT_1 var_87 = ~var_87_arg_0; [L263] var_87 = var_87 & mask_SORT_1 [L264] SORT_1 var_314_arg_0 = input_14; [L265] SORT_1 var_314 = ~var_314_arg_0; [L266] SORT_1 var_289_arg_0 = var_286; [L267] SORT_1 var_289_arg_1 = var_285; [L268] SORT_6 var_289 = ((SORT_6)var_289_arg_0 << 1) | var_289_arg_1; [L269] var_289 = var_289 & mask_SORT_6 [L270] SORT_1 var_290_arg_0 = var_287; [L271] SORT_6 var_290_arg_1 = var_289; [L272] SORT_8 var_290 = ((SORT_8)var_290_arg_0 << 2) | var_290_arg_1; [L273] var_290 = var_290 & mask_SORT_8 [L274] SORT_1 var_291_arg_0 = var_288; [L275] SORT_8 var_291_arg_1 = var_290; [L276] SORT_106 var_291 = ((SORT_106)var_291_arg_0 << 3) | var_291_arg_1; [L277] var_291 = var_291 & mask_SORT_106 [L278] SORT_106 var_292_arg_0 = var_291; [L279] SORT_1 var_292 = var_292_arg_0 != 0; [L280] SORT_6 var_76_arg_0 = input_10; [L281] SORT_6 var_76_arg_1 = var_75; [L282] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L283] SORT_8 var_64_arg_0 = input_9; [L284] SORT_8 var_64_arg_1 = var_63; [L285] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L286] SORT_8 var_61_arg_0 = input_9; [L287] SORT_8 var_61_arg_1 = var_60; [L288] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L289] SORT_1 var_65_arg_0 = var_64; [L290] SORT_1 var_65_arg_1 = var_61; [L291] SORT_1 var_65 = var_65_arg_0 | var_65_arg_1; [L292] var_65 = var_65 & mask_SORT_1 [L293] SORT_8 var_58_arg_0 = input_9; [L294] SORT_8 var_58_arg_1 = var_57; [L295] SORT_1 var_58 = var_58_arg_0 == var_58_arg_1; [L296] SORT_8 var_68_arg_0 = input_9; [L297] SORT_8 var_68_arg_1 = var_67; [L298] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L299] SORT_1 var_69_arg_0 = var_58; [L300] SORT_1 var_69_arg_1 = var_68; [L301] SORT_6 var_69 = ((SORT_6)var_69_arg_0 << 1) | var_69_arg_1; [L302] var_69 = var_69 & mask_SORT_6 [L303] SORT_1 var_70_arg_0 = var_65; [L304] SORT_6 var_70_arg_1 = var_69; [L305] SORT_8 var_70 = ((SORT_8)var_70_arg_0 << 2) | var_70_arg_1; [L306] var_70 = var_70 & mask_SORT_8 [L307] SORT_8 var_71_arg_0 = var_70; [L308] SORT_1 var_71 = var_71_arg_0 != 0; [L309] SORT_1 var_62_arg_0 = var_61; [L310] SORT_1 var_62_arg_1 = var_46; [L311] SORT_1 var_62_arg_2 = var_46; [L312] EXPR var_62_arg_0 ? var_62_arg_1 : var_62_arg_2 [L312] SORT_1 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L313] SORT_1 var_59_arg_0 = var_58; [L314] SORT_1 var_59_arg_1 = var_28; [L315] SORT_1 var_59_arg_2 = var_28; [L316] EXPR var_59_arg_0 ? var_59_arg_1 : var_59_arg_2 [L316] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L317] SORT_1 var_66_arg_0 = var_65; [L318] SORT_1 var_66_arg_1 = var_62; [L319] SORT_1 var_66_arg_2 = var_59; [L320] EXPR var_66_arg_0 ? var_66_arg_1 : var_66_arg_2 [L320] SORT_1 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L321] SORT_8 var_54_arg_0 = input_9; [L322] SORT_8 var_54_arg_1 = var_53; [L323] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L324] SORT_8 var_51_arg_0 = input_9; [L325] SORT_8 var_51_arg_1 = var_50; [L326] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L327] SORT_1 var_55_arg_0 = var_54; [L328] SORT_1 var_55_arg_1 = var_51; [L329] SORT_1 var_55 = var_55_arg_0 | var_55_arg_1; [L330] var_55 = var_55 & mask_SORT_1 [L331] SORT_1 var_52_arg_0 = var_51; [L332] SORT_1 var_52_arg_1 = var_46; [L333] SORT_1 var_52_arg_2 = var_28; [L334] EXPR var_52_arg_0 ? var_52_arg_1 : var_52_arg_2 [L334] SORT_1 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L335] SORT_8 var_48_arg_0 = input_9; [L336] SORT_8 var_48_arg_1 = var_47; [L337] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L338] SORT_1 var_49_arg_0 = var_48; [L339] SORT_1 var_49_arg_1 = var_28; [L340] SORT_1 var_49_arg_2 = var_46; [L341] EXPR var_49_arg_0 ? var_49_arg_1 : var_49_arg_2 [L341] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L342] SORT_1 var_56_arg_0 = var_55; [L343] SORT_1 var_56_arg_1 = var_52; [L344] SORT_1 var_56_arg_2 = var_49; [L345] EXPR var_56_arg_0 ? var_56_arg_1 : var_56_arg_2 [L345] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L346] SORT_1 var_72_arg_0 = var_71; [L347] SORT_1 var_72_arg_1 = var_66; [L348] SORT_1 var_72_arg_2 = var_56; [L349] EXPR var_72_arg_0 ? var_72_arg_1 : var_72_arg_2 [L349] SORT_1 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L350] var_72 = var_72 & mask_SORT_1 [L351] SORT_6 var_74_arg_0 = input_10; [L352] SORT_6 var_74_arg_1 = var_73; [L353] SORT_1 var_74 = var_74_arg_0 == var_74_arg_1; [L354] SORT_1 var_282_arg_0 = var_76; [L355] SORT_1 var_282_arg_1 = var_74; [L356] SORT_6 var_282 = ((SORT_6)var_282_arg_0 << 1) | var_282_arg_1; [L357] var_282 = var_282 & mask_SORT_6 [L358] SORT_6 var_283_arg_0 = var_282; [L359] SORT_1 var_283 = var_283_arg_0 != 0; [L360] SORT_1 var_284_arg_0 = var_72; [L361] SORT_1 var_284_arg_1 = var_283; [L362] SORT_1 var_284_arg_2 = var_28; [L363] EXPR var_284_arg_0 ? var_284_arg_1 : var_284_arg_2 [L363] SORT_1 var_284 = var_284_arg_0 ? var_284_arg_1 : var_284_arg_2; [L364] SORT_1 var_293_arg_0 = var_292; [L365] SORT_1 var_293_arg_1 = var_76; [L366] SORT_1 var_293_arg_2 = var_284; [L367] EXPR var_293_arg_0 ? var_293_arg_1 : var_293_arg_2 [L367] SORT_1 var_293 = var_293_arg_0 ? var_293_arg_1 : var_293_arg_2; [L368] SORT_1 var_294_arg_0 = var_293; [L369] SORT_1 var_294_arg_1 = var_86; [L370] SORT_6 var_294 = ((SORT_6)var_294_arg_0 << 1) | var_294_arg_1; [L371] var_294 = var_294 & mask_SORT_6 [L372] SORT_1 var_295_arg_0 = var_83; [L373] SORT_6 var_295_arg_1 = var_294; [L374] SORT_8 var_295 = ((SORT_8)var_295_arg_0 << 2) | var_295_arg_1; [L375] var_295 = var_295 & mask_SORT_8 [L376] SORT_8 var_296_arg_0 = var_295; [L377] SORT_1 var_296 = var_296_arg_0 != 0; [L378] SORT_1 var_297_arg_0 = input_13; [L379] SORT_1 var_297_arg_1 = var_296; [L380] SORT_6 var_297 = ((SORT_6)var_297_arg_0 << 1) | var_297_arg_1; [L381] var_297 = var_297 & mask_SORT_6 [L382] SORT_6 var_298_arg_0 = var_297; [L383] SORT_1 var_298 = var_298_arg_0 == mask_SORT_6; [L384] SORT_1 var_41_arg_0 = state_35; [L385] SORT_6 var_41_arg_1 = state_39; [L386] SORT_6 var_41_arg_2 = input_20; [L387] EXPR var_41_arg_0 ? var_41_arg_1 : var_41_arg_2 [L387] SORT_6 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L388] SORT_6 var_44_arg_0 = var_41; [L389] SORT_1 var_44 = var_44_arg_0 >> 0; [L390] var_44 = var_44 & mask_SORT_1 [L391] SORT_6 var_42_arg_0 = var_41; [L392] SORT_1 var_42 = var_42_arg_0 >> 1; [L393] var_42 = var_42 & mask_SORT_1 [L394] SORT_1 var_309_arg_0 = state_35; [L395] SORT_1 var_309_arg_1 = state_307; [L396] SORT_1 var_309_arg_2 = input_21; [L397] EXPR var_309_arg_0 ? var_309_arg_1 : var_309_arg_2 [L397] SORT_1 var_309 = var_309_arg_0 ? var_309_arg_1 : var_309_arg_2; [L398] SORT_1 var_310_arg_0 = var_42; [L399] SORT_1 var_310_arg_1 = var_309; [L400] SORT_1 var_310_arg_2 = var_28; [L401] EXPR var_310_arg_0 ? var_310_arg_1 : var_310_arg_2 [L401] SORT_1 var_310 = var_310_arg_0 ? var_310_arg_1 : var_310_arg_2; [L402] SORT_1 var_311_arg_0 = var_44; [L403] SORT_1 var_311_arg_1 = var_28; [L404] SORT_1 var_311_arg_2 = var_310; [L405] EXPR var_311_arg_0 ? var_311_arg_1 : var_311_arg_2 [L405] SORT_1 var_311 = var_311_arg_0 ? var_311_arg_1 : var_311_arg_2; [L406] var_311 = var_311 & mask_SORT_1 [L407] SORT_1 var_312_arg_0 = var_298; [L408] SORT_1 var_312_arg_1 = var_311; [L409] SORT_6 var_312 = ((SORT_6)var_312_arg_0 << 1) | var_312_arg_1; [L410] var_312 = var_312 & mask_SORT_6 [L411] SORT_6 var_313_arg_0 = var_312; [L412] SORT_1 var_313 = var_313_arg_0 != 0; [L413] SORT_1 var_315_arg_0 = var_314; [L414] SORT_1 var_315_arg_1 = var_313; [L415] SORT_6 var_315 = ((SORT_6)var_315_arg_0 << 1) | var_315_arg_1; [L416] var_315 = var_315 & mask_SORT_6 [L417] SORT_1 var_316_arg_0 = var_87; [L418] SORT_6 var_316_arg_1 = var_315; [L419] SORT_8 var_316 = ((SORT_8)var_316_arg_0 << 2) | var_316_arg_1; [L420] var_316 = var_316 & mask_SORT_8 [L421] SORT_8 var_317_arg_0 = var_316; [L422] SORT_1 var_317 = var_317_arg_0 == mask_SORT_8; [L423] SORT_1 var_352_arg_0 = var_351; [L424] SORT_1 var_352_arg_1 = var_317; [L425] SORT_6 var_352 = ((SORT_6)var_352_arg_0 << 1) | var_352_arg_1; [L426] var_352 = var_352 & mask_SORT_6 [L427] SORT_1 var_353_arg_0 = var_84; [L428] SORT_6 var_353_arg_1 = var_352; [L429] SORT_8 var_353 = ((SORT_8)var_353_arg_0 << 2) | var_353_arg_1; [L430] var_353 = var_353 & mask_SORT_8 [L431] SORT_8 var_354_arg_0 = var_353; [L432] SORT_1 var_354 = var_354_arg_0 == mask_SORT_8; [L433] SORT_15 var_248_arg_0 = input_16; [L434] SORT_15 var_248_arg_1 = var_247; [L435] SORT_1 var_248 = var_248_arg_0 == var_248_arg_1; [L436] SORT_15 var_245_arg_0 = input_16; [L437] SORT_15 var_245_arg_1 = var_244; [L438] SORT_1 var_245 = var_245_arg_0 == var_245_arg_1; [L439] SORT_1 var_249_arg_0 = var_248; [L440] SORT_1 var_249_arg_1 = var_245; [L441] SORT_1 var_249 = var_249_arg_0 | var_249_arg_1; [L442] var_249 = var_249 & mask_SORT_1 [L443] SORT_15 var_242_arg_0 = input_16; [L444] SORT_15 var_242_arg_1 = var_241; [L445] SORT_1 var_242 = var_242_arg_0 == var_242_arg_1; [L446] SORT_15 var_252_arg_0 = input_16; [L447] SORT_15 var_252_arg_1 = var_251; [L448] SORT_1 var_252 = var_252_arg_0 == var_252_arg_1; [L449] SORT_1 var_253_arg_0 = var_242; [L450] SORT_1 var_253_arg_1 = var_252; [L451] SORT_6 var_253 = ((SORT_6)var_253_arg_0 << 1) | var_253_arg_1; [L452] var_253 = var_253 & mask_SORT_6 [L453] SORT_1 var_254_arg_0 = var_249; [L454] SORT_6 var_254_arg_1 = var_253; [L455] SORT_8 var_254 = ((SORT_8)var_254_arg_0 << 2) | var_254_arg_1; [L456] var_254 = var_254 & mask_SORT_8 [L457] SORT_8 var_255_arg_0 = var_254; [L458] SORT_1 var_255 = var_255_arg_0 != 0; [L459] SORT_15 var_238_arg_0 = input_16; [L460] SORT_15 var_238_arg_1 = var_237; [L461] SORT_1 var_238 = var_238_arg_0 == var_238_arg_1; [L462] SORT_15 var_235_arg_0 = input_16; [L463] SORT_15 var_235_arg_1 = var_234; [L464] SORT_1 var_235 = var_235_arg_0 == var_235_arg_1; [L465] SORT_1 var_239_arg_0 = var_238; [L466] SORT_1 var_239_arg_1 = var_235; [L467] SORT_1 var_239 = var_239_arg_0 | var_239_arg_1; [L468] var_239 = var_239 & mask_SORT_1 [L469] SORT_15 var_232_arg_0 = input_16; [L470] SORT_15 var_232_arg_1 = var_231; [L471] SORT_1 var_232 = var_232_arg_0 == var_232_arg_1; [L472] SORT_15 var_258_arg_0 = input_16; [L473] SORT_15 var_258_arg_1 = var_257; [L474] SORT_1 var_258 = var_258_arg_0 == var_258_arg_1; [L475] SORT_1 var_259_arg_0 = var_232; [L476] SORT_1 var_259_arg_1 = var_258; [L477] SORT_6 var_259 = ((SORT_6)var_259_arg_0 << 1) | var_259_arg_1; [L478] var_259 = var_259 & mask_SORT_6 [L479] SORT_1 var_260_arg_0 = var_239; [L480] SORT_6 var_260_arg_1 = var_259; [L481] SORT_8 var_260 = ((SORT_8)var_260_arg_0 << 2) | var_260_arg_1; [L482] var_260 = var_260 & mask_SORT_8 [L483] SORT_1 var_261_arg_0 = var_255; [L484] SORT_8 var_261_arg_1 = var_260; [L485] SORT_106 var_261 = ((SORT_106)var_261_arg_0 << 3) | var_261_arg_1; [L486] var_261 = var_261 & mask_SORT_106 [L487] SORT_106 var_262_arg_0 = var_261; [L488] SORT_1 var_262 = var_262_arg_0 != 0; [L489] SORT_15 var_223_arg_0 = input_16; [L490] SORT_15 var_223_arg_1 = var_222; [L491] SORT_1 var_223 = var_223_arg_0 == var_223_arg_1; [L492] SORT_15 var_220_arg_0 = input_16; [L493] SORT_15 var_220_arg_1 = var_219; [L494] SORT_1 var_220 = var_220_arg_0 == var_220_arg_1; [L495] SORT_1 var_224_arg_0 = var_223; [L496] SORT_1 var_224_arg_1 = var_220; [L497] SORT_1 var_224 = var_224_arg_0 | var_224_arg_1; [L498] var_224 = var_224 & mask_SORT_1 [L499] SORT_15 var_217_arg_0 = input_16; [L500] SORT_15 var_217_arg_1 = var_118; [L501] SORT_1 var_217 = var_217_arg_0 == var_217_arg_1; [L502] SORT_15 var_226_arg_0 = input_16; [L503] SORT_15 var_226_arg_1 = var_120; [L504] SORT_1 var_226 = var_226_arg_0 == var_226_arg_1; [L505] SORT_1 var_227_arg_0 = var_217; [L506] SORT_1 var_227_arg_1 = var_226; [L507] SORT_6 var_227 = ((SORT_6)var_227_arg_0 << 1) | var_227_arg_1; [L508] var_227 = var_227 & mask_SORT_6 [L509] SORT_1 var_228_arg_0 = var_224; [L510] SORT_6 var_228_arg_1 = var_227; [L511] SORT_8 var_228 = ((SORT_8)var_228_arg_0 << 2) | var_228_arg_1; [L512] var_228 = var_228 & mask_SORT_8 [L513] SORT_8 var_229_arg_0 = var_228; [L514] SORT_1 var_229 = var_229_arg_0 != 0; [L515] SORT_15 var_214_arg_0 = input_16; [L516] SORT_15 var_214_arg_1 = var_124; [L517] SORT_1 var_214 = var_214_arg_0 == var_214_arg_1; [L518] SORT_15 var_212_arg_0 = input_16; [L519] SORT_15 var_212_arg_1 = var_122; [L520] SORT_1 var_212 = var_212_arg_0 == var_212_arg_1; [L521] SORT_1 var_215_arg_0 = var_214; [L522] SORT_1 var_215_arg_1 = var_212; [L523] SORT_1 var_215 = var_215_arg_0 | var_215_arg_1; [L524] var_215 = var_215 & mask_SORT_1 [L525] SORT_15 var_210_arg_0 = input_16; [L526] SORT_15 var_210_arg_1 = var_126; [L527] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L528] SORT_15 var_264_arg_0 = input_16; [L529] SORT_15 var_264_arg_1 = var_128; [L530] SORT_1 var_264 = var_264_arg_0 == var_264_arg_1; [L531] SORT_1 var_265_arg_0 = var_210; [L532] SORT_1 var_265_arg_1 = var_264; [L533] SORT_6 var_265 = ((SORT_6)var_265_arg_0 << 1) | var_265_arg_1; [L534] var_265 = var_265 & mask_SORT_6 [L535] SORT_1 var_266_arg_0 = var_215; [L536] SORT_6 var_266_arg_1 = var_265; [L537] SORT_8 var_266 = ((SORT_8)var_266_arg_0 << 2) | var_266_arg_1; [L538] var_266 = var_266 & mask_SORT_8 [L539] SORT_1 var_267_arg_0 = var_229; [L540] SORT_8 var_267_arg_1 = var_266; [L541] SORT_106 var_267 = ((SORT_106)var_267_arg_0 << 3) | var_267_arg_1; [L542] var_267 = var_267 & mask_SORT_106 [L543] SORT_1 var_268_arg_0 = var_262; [L544] SORT_106 var_268_arg_1 = var_267; [L545] SORT_15 var_268 = ((SORT_15)var_268_arg_0 << 4) | var_268_arg_1; [L546] var_268 = var_268 & mask_SORT_15 [L547] SORT_15 var_269_arg_0 = var_268; [L548] SORT_1 var_269 = var_269_arg_0 != 0; [L549] SORT_1 var_246_arg_0 = var_245; [L550] SORT_1 var_246_arg_1 = var_46; [L551] SORT_1 var_246_arg_2 = var_46; [L552] EXPR var_246_arg_0 ? var_246_arg_1 : var_246_arg_2 [L552] SORT_1 var_246 = var_246_arg_0 ? var_246_arg_1 : var_246_arg_2; [L553] SORT_1 var_243_arg_0 = var_242; [L554] SORT_1 var_243_arg_1 = var_46; [L555] SORT_1 var_243_arg_2 = var_46; [L556] EXPR var_243_arg_0 ? var_243_arg_1 : var_243_arg_2 [L556] SORT_1 var_243 = var_243_arg_0 ? var_243_arg_1 : var_243_arg_2; [L557] SORT_1 var_250_arg_0 = var_249; [L558] SORT_1 var_250_arg_1 = var_246; [L559] SORT_1 var_250_arg_2 = var_243; [L560] EXPR var_250_arg_0 ? var_250_arg_1 : var_250_arg_2 [L560] SORT_1 var_250 = var_250_arg_0 ? var_250_arg_1 : var_250_arg_2; [L561] SORT_1 var_236_arg_0 = var_235; [L562] SORT_1 var_236_arg_1 = var_46; [L563] SORT_1 var_236_arg_2 = var_46; [L564] EXPR var_236_arg_0 ? var_236_arg_1 : var_236_arg_2 [L564] SORT_1 var_236 = var_236_arg_0 ? var_236_arg_1 : var_236_arg_2; [L565] SORT_1 var_233_arg_0 = var_232; [L566] SORT_1 var_233_arg_1 = var_46; [L567] SORT_1 var_233_arg_2 = var_46; [L568] EXPR var_233_arg_0 ? var_233_arg_1 : var_233_arg_2 [L568] SORT_1 var_233 = var_233_arg_0 ? var_233_arg_1 : var_233_arg_2; [L569] SORT_1 var_240_arg_0 = var_239; [L570] SORT_1 var_240_arg_1 = var_236; [L571] SORT_1 var_240_arg_2 = var_233; [L572] EXPR var_240_arg_0 ? var_240_arg_1 : var_240_arg_2 [L572] SORT_1 var_240 = var_240_arg_0 ? var_240_arg_1 : var_240_arg_2; [L573] SORT_1 var_256_arg_0 = var_255; [L574] SORT_1 var_256_arg_1 = var_250; [L575] SORT_1 var_256_arg_2 = var_240; [L576] EXPR var_256_arg_0 ? var_256_arg_1 : var_256_arg_2 [L576] SORT_1 var_256 = var_256_arg_0 ? var_256_arg_1 : var_256_arg_2; [L577] SORT_1 var_221_arg_0 = var_220; [L578] SORT_1 var_221_arg_1 = var_46; [L579] SORT_1 var_221_arg_2 = var_46; [L580] EXPR var_221_arg_0 ? var_221_arg_1 : var_221_arg_2 [L580] SORT_1 var_221 = var_221_arg_0 ? var_221_arg_1 : var_221_arg_2; [L581] SORT_1 var_218_arg_0 = var_217; [L582] SORT_1 var_218_arg_1 = var_28; [L583] SORT_1 var_218_arg_2 = var_28; [L584] EXPR var_218_arg_0 ? var_218_arg_1 : var_218_arg_2 [L584] SORT_1 var_218 = var_218_arg_0 ? var_218_arg_1 : var_218_arg_2; [L585] SORT_1 var_225_arg_0 = var_224; [L586] SORT_1 var_225_arg_1 = var_221; [L587] SORT_1 var_225_arg_2 = var_218; [L588] EXPR var_225_arg_0 ? var_225_arg_1 : var_225_arg_2 [L588] SORT_1 var_225 = var_225_arg_0 ? var_225_arg_1 : var_225_arg_2; [L589] SORT_1 var_213_arg_0 = var_212; [L590] SORT_1 var_213_arg_1 = var_28; [L591] SORT_1 var_213_arg_2 = var_28; [L592] EXPR var_213_arg_0 ? var_213_arg_1 : var_213_arg_2 [L592] SORT_1 var_213 = var_213_arg_0 ? var_213_arg_1 : var_213_arg_2; [L593] SORT_1 var_211_arg_0 = var_210; [L594] SORT_1 var_211_arg_1 = var_28; [L595] SORT_1 var_211_arg_2 = var_28; [L596] EXPR var_211_arg_0 ? var_211_arg_1 : var_211_arg_2 [L596] SORT_1 var_211 = var_211_arg_0 ? var_211_arg_1 : var_211_arg_2; [L597] SORT_1 var_216_arg_0 = var_215; [L598] SORT_1 var_216_arg_1 = var_213; [L599] SORT_1 var_216_arg_2 = var_211; [L600] EXPR var_216_arg_0 ? var_216_arg_1 : var_216_arg_2 [L600] SORT_1 var_216 = var_216_arg_0 ? var_216_arg_1 : var_216_arg_2; [L601] SORT_1 var_230_arg_0 = var_229; [L602] SORT_1 var_230_arg_1 = var_225; [L603] SORT_1 var_230_arg_2 = var_216; [L604] EXPR var_230_arg_0 ? var_230_arg_1 : var_230_arg_2 [L604] SORT_1 var_230 = var_230_arg_0 ? var_230_arg_1 : var_230_arg_2; [L605] SORT_1 var_263_arg_0 = var_262; [L606] SORT_1 var_263_arg_1 = var_256; [L607] SORT_1 var_263_arg_2 = var_230; [L608] EXPR var_263_arg_0 ? var_263_arg_1 : var_263_arg_2 [L608] SORT_1 var_263 = var_263_arg_0 ? var_263_arg_1 : var_263_arg_2; [L609] SORT_15 var_195_arg_0 = input_16; [L610] SORT_15 var_195_arg_1 = var_132; [L611] SORT_1 var_195 = var_195_arg_0 == var_195_arg_1; [L612] SORT_15 var_193_arg_0 = input_16; [L613] SORT_15 var_193_arg_1 = var_130; [L614] SORT_1 var_193 = var_193_arg_0 == var_193_arg_1; [L615] SORT_1 var_196_arg_0 = var_195; [L616] SORT_1 var_196_arg_1 = var_193; [L617] SORT_1 var_196 = var_196_arg_0 | var_196_arg_1; [L618] var_196 = var_196 & mask_SORT_1 [L619] SORT_15 var_191_arg_0 = input_16; [L620] SORT_15 var_191_arg_1 = var_190; [L621] SORT_1 var_191 = var_191_arg_0 == var_191_arg_1; [L622] SORT_15 var_199_arg_0 = input_16; [L623] SORT_15 var_199_arg_1 = var_198; [L624] SORT_1 var_199 = var_199_arg_0 == var_199_arg_1; [L625] SORT_1 var_200_arg_0 = var_191; [L626] SORT_1 var_200_arg_1 = var_199; [L627] SORT_6 var_200 = ((SORT_6)var_200_arg_0 << 1) | var_200_arg_1; [L628] var_200 = var_200 & mask_SORT_6 [L629] SORT_1 var_201_arg_0 = var_196; [L630] SORT_6 var_201_arg_1 = var_200; [L631] SORT_8 var_201 = ((SORT_8)var_201_arg_0 << 2) | var_201_arg_1; [L632] var_201 = var_201 & mask_SORT_8 [L633] SORT_8 var_202_arg_0 = var_201; [L634] SORT_1 var_202 = var_202_arg_0 != 0; [L635] SORT_15 var_187_arg_0 = input_16; [L636] SORT_15 var_187_arg_1 = var_98; [L637] SORT_1 var_187 = var_187_arg_0 == var_187_arg_1; [L638] SORT_15 var_185_arg_0 = input_16; [L639] SORT_15 var_185_arg_1 = var_96; [L640] SORT_1 var_185 = var_185_arg_0 == var_185_arg_1; [L641] SORT_1 var_188_arg_0 = var_187; [L642] SORT_1 var_188_arg_1 = var_185; [L643] SORT_1 var_188 = var_188_arg_0 | var_188_arg_1; [L644] var_188 = var_188 & mask_SORT_1 [L645] SORT_15 var_183_arg_0 = input_16; [L646] SORT_15 var_183_arg_1 = var_102; [L647] SORT_1 var_183 = var_183_arg_0 == var_183_arg_1; [L648] SORT_15 var_204_arg_0 = input_16; [L649] SORT_15 var_204_arg_1 = var_134; [L650] SORT_1 var_204 = var_204_arg_0 == var_204_arg_1; [L651] SORT_1 var_205_arg_0 = var_183; [L652] SORT_1 var_205_arg_1 = var_204; [L653] SORT_6 var_205 = ((SORT_6)var_205_arg_0 << 1) | var_205_arg_1; [L654] var_205 = var_205 & mask_SORT_6 [L655] SORT_1 var_206_arg_0 = var_188; [L656] SORT_6 var_206_arg_1 = var_205; [L657] SORT_8 var_206 = ((SORT_8)var_206_arg_0 << 2) | var_206_arg_1; [L658] var_206 = var_206 & mask_SORT_8 [L659] SORT_1 var_207_arg_0 = var_202; [L660] SORT_8 var_207_arg_1 = var_206; [L661] SORT_106 var_207 = ((SORT_106)var_207_arg_0 << 3) | var_207_arg_1; [L662] var_207 = var_207 & mask_SORT_106 [L663] SORT_106 var_208_arg_0 = var_207; [L664] SORT_1 var_208 = var_208_arg_0 != 0; [L665] SORT_1 var_194_arg_0 = var_193; [L666] SORT_1 var_194_arg_1 = var_28; [L667] SORT_1 var_194_arg_2 = var_28; [L668] EXPR var_194_arg_0 ? var_194_arg_1 : var_194_arg_2 [L668] SORT_1 var_194 = var_194_arg_0 ? var_194_arg_1 : var_194_arg_2; [L669] SORT_1 var_192_arg_0 = var_191; [L670] SORT_1 var_192_arg_1 = var_46; [L671] SORT_1 var_192_arg_2 = var_46; [L672] EXPR var_192_arg_0 ? var_192_arg_1 : var_192_arg_2 [L672] SORT_1 var_192 = var_192_arg_0 ? var_192_arg_1 : var_192_arg_2; [L673] SORT_1 var_197_arg_0 = var_196; [L674] SORT_1 var_197_arg_1 = var_194; [L675] SORT_1 var_197_arg_2 = var_192; [L676] EXPR var_197_arg_0 ? var_197_arg_1 : var_197_arg_2 [L676] SORT_1 var_197 = var_197_arg_0 ? var_197_arg_1 : var_197_arg_2; [L677] SORT_1 var_186_arg_0 = var_185; [L678] SORT_1 var_186_arg_1 = var_28; [L679] SORT_1 var_186_arg_2 = var_28; [L680] EXPR var_186_arg_0 ? var_186_arg_1 : var_186_arg_2 [L680] SORT_1 var_186 = var_186_arg_0 ? var_186_arg_1 : var_186_arg_2; [L681] SORT_1 var_184_arg_0 = var_183; [L682] SORT_1 var_184_arg_1 = var_28; [L683] SORT_1 var_184_arg_2 = var_28; [L684] EXPR var_184_arg_0 ? var_184_arg_1 : var_184_arg_2 [L684] SORT_1 var_184 = var_184_arg_0 ? var_184_arg_1 : var_184_arg_2; [L685] SORT_1 var_189_arg_0 = var_188; [L686] SORT_1 var_189_arg_1 = var_186; [L687] SORT_1 var_189_arg_2 = var_184; [L688] EXPR var_189_arg_0 ? var_189_arg_1 : var_189_arg_2 [L688] SORT_1 var_189 = var_189_arg_0 ? var_189_arg_1 : var_189_arg_2; [L689] SORT_1 var_203_arg_0 = var_202; [L690] SORT_1 var_203_arg_1 = var_197; [L691] SORT_1 var_203_arg_2 = var_189; [L692] EXPR var_203_arg_0 ? var_203_arg_1 : var_203_arg_2 [L692] SORT_1 var_203 = var_203_arg_0 ? var_203_arg_1 : var_203_arg_2; [L693] SORT_15 var_175_arg_0 = input_16; [L694] SORT_15 var_175_arg_1 = var_136; [L695] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L696] SORT_15 var_173_arg_0 = input_16; [L697] SORT_15 var_173_arg_1 = var_172; [L698] SORT_1 var_173 = var_173_arg_0 == var_173_arg_1; [L699] SORT_1 var_176_arg_0 = var_175; [L700] SORT_1 var_176_arg_1 = var_173; [L701] SORT_1 var_176 = var_176_arg_0 | var_176_arg_1; [L702] var_176 = var_176 & mask_SORT_1 [L703] SORT_15 var_170_arg_0 = input_16; [L704] SORT_15 var_170_arg_1 = var_140; [L705] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L706] SORT_15 var_178_arg_0 = input_16; [L707] SORT_15 var_178_arg_1 = var_160; [L708] SORT_1 var_178 = var_178_arg_0 == var_178_arg_1; [L709] SORT_1 var_179_arg_0 = var_170; [L710] SORT_1 var_179_arg_1 = var_178; [L711] SORT_6 var_179 = ((SORT_6)var_179_arg_0 << 1) | var_179_arg_1; [L712] var_179 = var_179 & mask_SORT_6 [L713] SORT_1 var_180_arg_0 = var_176; [L714] SORT_6 var_180_arg_1 = var_179; [L715] SORT_8 var_180 = ((SORT_8)var_180_arg_0 << 2) | var_180_arg_1; [L716] var_180 = var_180 & mask_SORT_8 [L717] SORT_8 var_181_arg_0 = var_180; [L718] SORT_1 var_181 = var_181_arg_0 != 0; [L719] SORT_1 var_174_arg_0 = var_173; [L720] SORT_1 var_174_arg_1 = var_46; [L721] SORT_1 var_174_arg_2 = var_28; [L722] EXPR var_174_arg_0 ? var_174_arg_1 : var_174_arg_2 [L722] SORT_1 var_174 = var_174_arg_0 ? var_174_arg_1 : var_174_arg_2; [L723] SORT_1 var_171_arg_0 = var_170; [L724] SORT_1 var_171_arg_1 = var_28; [L725] SORT_1 var_171_arg_2 = var_28; [L726] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L726] SORT_1 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L727] SORT_1 var_177_arg_0 = var_176; [L728] SORT_1 var_177_arg_1 = var_174; [L729] SORT_1 var_177_arg_2 = var_171; [L730] EXPR var_177_arg_0 ? var_177_arg_1 : var_177_arg_2 [L730] SORT_1 var_177 = var_177_arg_0 ? var_177_arg_1 : var_177_arg_2; [L731] SORT_15 var_167_arg_0 = input_16; [L732] SORT_15 var_167_arg_1 = var_100; [L733] SORT_1 var_167 = var_167_arg_0 == var_167_arg_1; [L734] SORT_15 var_165_arg_0 = input_16; [L735] SORT_15 var_165_arg_1 = var_138; [L736] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L737] SORT_1 var_168_arg_0 = var_167; [L738] SORT_1 var_168_arg_1 = var_165; [L739] SORT_1 var_168 = var_168_arg_0 | var_168_arg_1; [L740] var_168 = var_168 & mask_SORT_1 [L741] SORT_1 var_166_arg_0 = var_165; [L742] SORT_1 var_166_arg_1 = var_28; [L743] SORT_1 var_166_arg_2 = var_28; [L744] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L744] SORT_1 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L745] SORT_15 var_163_arg_0 = input_16; [L746] SORT_15 var_163_arg_1 = var_162; [L747] SORT_1 var_163 = var_163_arg_0 == var_163_arg_1; [L748] SORT_1 var_164_arg_0 = var_163; [L749] SORT_1 var_164_arg_1 = var_46; [L750] SORT_1 var_164_arg_2 = var_46; [L751] EXPR var_164_arg_0 ? var_164_arg_1 : var_164_arg_2 [L751] SORT_1 var_164 = var_164_arg_0 ? var_164_arg_1 : var_164_arg_2; [L752] SORT_1 var_169_arg_0 = var_168; [L753] SORT_1 var_169_arg_1 = var_166; [L754] SORT_1 var_169_arg_2 = var_164; [L755] EXPR var_169_arg_0 ? var_169_arg_1 : var_169_arg_2 [L755] SORT_1 var_169 = var_169_arg_0 ? var_169_arg_1 : var_169_arg_2; [L756] SORT_1 var_182_arg_0 = var_181; [L757] SORT_1 var_182_arg_1 = var_177; [L758] SORT_1 var_182_arg_2 = var_169; [L759] EXPR var_182_arg_0 ? var_182_arg_1 : var_182_arg_2 [L759] SORT_1 var_182 = var_182_arg_0 ? var_182_arg_1 : var_182_arg_2; [L760] SORT_1 var_209_arg_0 = var_208; [L761] SORT_1 var_209_arg_1 = var_203; [L762] SORT_1 var_209_arg_2 = var_182; [L763] EXPR var_209_arg_0 ? var_209_arg_1 : var_209_arg_2 [L763] SORT_1 var_209 = var_209_arg_0 ? var_209_arg_1 : var_209_arg_2; [L764] SORT_1 var_270_arg_0 = var_269; [L765] SORT_1 var_270_arg_1 = var_263; [L766] SORT_1 var_270_arg_2 = var_209; [L767] EXPR var_270_arg_0 ? var_270_arg_1 : var_270_arg_2 [L767] SORT_1 var_270 = var_270_arg_0 ? var_270_arg_1 : var_270_arg_2; [L768] SORT_15 var_161_arg_0 = input_16; [L769] SORT_15 var_161_arg_1 = var_160; [L770] SORT_1 var_161 = var_161_arg_0 == var_161_arg_1; [L771] SORT_15 var_141_arg_0 = input_16; [L772] SORT_15 var_141_arg_1 = var_140; [L773] SORT_1 var_141 = var_141_arg_0 == var_141_arg_1; [L774] SORT_15 var_139_arg_0 = input_16; [L775] SORT_15 var_139_arg_1 = var_138; [L776] SORT_1 var_139 = var_139_arg_0 == var_139_arg_1; [L777] SORT_15 var_137_arg_0 = input_16; [L778] SORT_15 var_137_arg_1 = var_136; [L779] SORT_1 var_137 = var_137_arg_0 == var_137_arg_1; [L780] SORT_15 var_135_arg_0 = input_16; [L781] SORT_15 var_135_arg_1 = var_134; [L782] SORT_1 var_135 = var_135_arg_0 == var_135_arg_1; [L783] SORT_15 var_133_arg_0 = input_16; [L784] SORT_15 var_133_arg_1 = var_132; [L785] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L786] SORT_15 var_131_arg_0 = input_16; [L787] SORT_15 var_131_arg_1 = var_130; [L788] SORT_1 var_131 = var_131_arg_0 == var_131_arg_1; [L789] SORT_15 var_129_arg_0 = input_16; [L790] SORT_15 var_129_arg_1 = var_128; [L791] SORT_1 var_129 = var_129_arg_0 == var_129_arg_1; [L792] SORT_15 var_127_arg_0 = input_16; [L793] SORT_15 var_127_arg_1 = var_126; [L794] SORT_1 var_127 = var_127_arg_0 == var_127_arg_1; [L795] SORT_15 var_125_arg_0 = input_16; [L796] SORT_15 var_125_arg_1 = var_124; [L797] SORT_1 var_125 = var_125_arg_0 == var_125_arg_1; [L798] SORT_15 var_123_arg_0 = input_16; [L799] SORT_15 var_123_arg_1 = var_122; [L800] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L801] SORT_15 var_121_arg_0 = input_16; [L802] SORT_15 var_121_arg_1 = var_120; [L803] SORT_1 var_121 = var_121_arg_0 == var_121_arg_1; [L804] SORT_15 var_119_arg_0 = input_16; [L805] SORT_15 var_119_arg_1 = var_118; [L806] SORT_1 var_119 = var_119_arg_0 == var_119_arg_1; [L807] SORT_1 var_142_arg_0 = var_121; [L808] SORT_1 var_142_arg_1 = var_119; [L809] SORT_6 var_142 = ((SORT_6)var_142_arg_0 << 1) | var_142_arg_1; [L810] var_142 = var_142 & mask_SORT_6 [L811] SORT_1 var_143_arg_0 = var_123; [L812] SORT_6 var_143_arg_1 = var_142; [L813] SORT_8 var_143 = ((SORT_8)var_143_arg_0 << 2) | var_143_arg_1; [L814] var_143 = var_143 & mask_SORT_8 [L815] SORT_1 var_144_arg_0 = var_125; [L816] SORT_8 var_144_arg_1 = var_143; [L817] SORT_106 var_144 = ((SORT_106)var_144_arg_0 << 3) | var_144_arg_1; [L818] var_144 = var_144 & mask_SORT_106 [L819] SORT_1 var_145_arg_0 = var_127; [L820] SORT_106 var_145_arg_1 = var_144; [L821] SORT_15 var_145 = ((SORT_15)var_145_arg_0 << 4) | var_145_arg_1; [L822] var_145 = var_145 & mask_SORT_15 [L823] SORT_1 var_147_arg_0 = var_129; [L824] SORT_15 var_147_arg_1 = var_145; [L825] SORT_146 var_147 = ((SORT_146)var_147_arg_0 << 5) | var_147_arg_1; [L826] var_147 = var_147 & mask_SORT_146 [L827] SORT_1 var_149_arg_0 = var_131; [L828] SORT_146 var_149_arg_1 = var_147; [L829] SORT_148 var_149 = ((SORT_148)var_149_arg_0 << 6) | var_149_arg_1; [L830] var_149 = var_149 & mask_SORT_148 [L831] SORT_1 var_150_arg_0 = var_133; [L832] SORT_148 var_150_arg_1 = var_149; [L833] SORT_18 var_150 = ((SORT_18)var_150_arg_0 << 7) | var_150_arg_1; [L834] var_150 = var_150 & mask_SORT_18 [L835] SORT_1 var_152_arg_0 = var_135; [L836] SORT_18 var_152_arg_1 = var_150; [L837] SORT_151 var_152 = ((SORT_151)var_152_arg_0 << 8) | var_152_arg_1; [L838] var_152 = var_152 & mask_SORT_151 [L839] SORT_1 var_154_arg_0 = var_137; [L840] SORT_151 var_154_arg_1 = var_152; [L841] SORT_153 var_154 = ((SORT_153)var_154_arg_0 << 9) | var_154_arg_1; [L842] var_154 = var_154 & mask_SORT_153 [L843] SORT_1 var_156_arg_0 = var_139; [L844] SORT_153 var_156_arg_1 = var_154; [L845] SORT_155 var_156 = ((SORT_155)var_156_arg_0 << 10) | var_156_arg_1; [L846] var_156 = var_156 & mask_SORT_155 [L847] SORT_1 var_158_arg_0 = var_141; [L848] SORT_155 var_158_arg_1 = var_156; [L849] SORT_157 var_158 = ((SORT_157)var_158_arg_0 << 11) | var_158_arg_1; [L850] var_158 = var_158 & mask_SORT_157 [L851] SORT_157 var_159_arg_0 = var_158; [L852] SORT_1 var_159 = var_159_arg_0 != 0; [L853] SORT_1 var_271_arg_0 = var_161; [L854] SORT_1 var_271_arg_1 = var_159; [L855] SORT_6 var_271 = ((SORT_6)var_271_arg_0 << 1) | var_271_arg_1; [L856] var_271 = var_271 & mask_SORT_6 [L857] SORT_1 var_272_arg_0 = var_270; [L858] SORT_6 var_272_arg_1 = var_271; [L859] SORT_8 var_272 = ((SORT_8)var_272_arg_0 << 2) | var_272_arg_1; [L860] var_272 = var_272 & mask_SORT_8 [L861] SORT_8 var_273_arg_0 = var_272; [L862] SORT_1 var_273 = var_273_arg_0 != 0; [L863] SORT_1 var_88_arg_0 = input_13; [L864] SORT_1 var_88_arg_1 = var_87; [L865] SORT_6 var_88 = ((SORT_6)var_88_arg_0 << 1) | var_88_arg_1; [L866] var_88 = var_88 & mask_SORT_6 [L867] SORT_6 var_89_arg_0 = var_88; [L868] SORT_1 var_89 = var_89_arg_0 == mask_SORT_6; [L869] SORT_1 var_274_arg_0 = var_273; [L870] SORT_1 var_274_arg_1 = var_89; [L871] SORT_6 var_274 = ((SORT_6)var_274_arg_0 << 1) | var_274_arg_1; [L872] var_274 = var_274 & mask_SORT_6 [L873] SORT_1 var_275_arg_0 = var_83; [L874] SORT_6 var_275_arg_1 = var_274; [L875] SORT_8 var_275 = ((SORT_8)var_275_arg_0 << 2) | var_275_arg_1; [L876] var_275 = var_275 & mask_SORT_8 [L877] SORT_8 var_276_arg_0 = var_275; [L878] SORT_1 var_276 = var_276_arg_0 == mask_SORT_8; [L879] SORT_1 var_115_arg_0 = input_13; [L880] SORT_1 var_115 = ~var_115_arg_0; [L881] SORT_1 var_113_arg_0 = input_13; [L882] SORT_1 var_113_arg_1 = var_86; [L883] SORT_6 var_113 = ((SORT_6)var_113_arg_0 << 1) | var_113_arg_1; [L884] var_113 = var_113 & mask_SORT_6 [L885] SORT_6 var_114_arg_0 = var_113; [L886] SORT_1 var_114 = var_114_arg_0 == mask_SORT_6; [L887] SORT_1 var_116_arg_0 = var_115; [L888] SORT_1 var_116_arg_1 = var_114; [L889] SORT_6 var_116 = ((SORT_6)var_116_arg_0 << 1) | var_116_arg_1; [L890] var_116 = var_116 & mask_SORT_6 [L891] SORT_6 var_117_arg_0 = var_116; [L892] SORT_1 var_117 = var_117_arg_0 != 0; [L893] SORT_1 var_277_arg_0 = var_276; [L894] SORT_1 var_277_arg_1 = var_117; [L895] SORT_6 var_277 = ((SORT_6)var_277_arg_0 << 1) | var_277_arg_1; [L896] var_277 = var_277 & mask_SORT_6 [L897] SORT_6 var_278_arg_0 = var_277; [L898] SORT_1 var_278 = var_278_arg_0 != 0; [L899] SORT_15 var_103_arg_0 = input_16; [L900] SORT_15 var_103_arg_1 = var_102; [L901] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L902] SORT_15 var_101_arg_0 = input_16; [L903] SORT_15 var_101_arg_1 = var_100; [L904] SORT_1 var_101 = var_101_arg_0 == var_101_arg_1; [L905] SORT_15 var_99_arg_0 = input_16; [L906] SORT_15 var_99_arg_1 = var_98; [L907] SORT_1 var_99 = var_99_arg_0 == var_99_arg_1; [L908] SORT_15 var_97_arg_0 = input_16; [L909] SORT_15 var_97_arg_1 = var_96; [L910] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L911] SORT_1 var_104_arg_0 = var_99; [L912] SORT_1 var_104_arg_1 = var_97; [L913] SORT_6 var_104 = ((SORT_6)var_104_arg_0 << 1) | var_104_arg_1; [L914] var_104 = var_104 & mask_SORT_6 [L915] SORT_1 var_105_arg_0 = var_101; [L916] SORT_6 var_105_arg_1 = var_104; [L917] SORT_8 var_105 = ((SORT_8)var_105_arg_0 << 2) | var_105_arg_1; [L918] var_105 = var_105 & mask_SORT_8 [L919] SORT_1 var_107_arg_0 = var_103; [L920] SORT_8 var_107_arg_1 = var_105; [L921] SORT_106 var_107 = ((SORT_106)var_107_arg_0 << 3) | var_107_arg_1; [L922] var_107 = var_107 & mask_SORT_106 [L923] SORT_106 var_108_arg_0 = var_107; [L924] SORT_1 var_108 = var_108_arg_0 != 0; [L925] SORT_1 var_109_arg_0 = var_108; [L926] SORT_1 var_109_arg_1 = var_89; [L927] SORT_6 var_109 = ((SORT_6)var_109_arg_0 << 1) | var_109_arg_1; [L928] var_109 = var_109 & mask_SORT_6 [L929] SORT_1 var_110_arg_0 = var_83; [L930] SORT_6 var_110_arg_1 = var_109; [L931] SORT_8 var_110 = ((SORT_8)var_110_arg_0 << 2) | var_110_arg_1; [L932] var_110 = var_110 & mask_SORT_8 [L933] SORT_8 var_111_arg_0 = var_110; [L934] SORT_1 var_111 = var_111_arg_0 == mask_SORT_8; [L935] SORT_1 var_77_arg_0 = var_76; [L936] SORT_1 var_77 = ~var_77_arg_0; [L937] SORT_1 var_93_arg_0 = var_77; [L938] SORT_1 var_93_arg_1 = var_74; [L939] SORT_6 var_93 = ((SORT_6)var_93_arg_0 << 1) | var_93_arg_1; [L940] var_93 = var_93 & mask_SORT_6 [L941] SORT_6 var_94_arg_0 = var_93; [L942] SORT_1 var_94 = var_94_arg_0 == mask_SORT_6; [L943] SORT_1 var_95_arg_0 = var_94; [L944] SORT_1 var_95_arg_1 = var_76; [L945] SORT_6 var_95 = ((SORT_6)var_95_arg_0 << 1) | var_95_arg_1; [L946] SORT_1 var_90_arg_0 = var_89; [L947] SORT_1 var_90_arg_1 = var_84; [L948] SORT_6 var_90 = ((SORT_6)var_90_arg_0 << 1) | var_90_arg_1; [L949] var_90 = var_90 & mask_SORT_6 [L950] SORT_6 var_91_arg_0 = var_90; [L951] SORT_1 var_91 = var_91_arg_0 == mask_SORT_6; [L952] SORT_1 var_78_arg_0 = var_74; [L953] SORT_1 var_78_arg_1 = var_72; [L954] SORT_6 var_78 = ((SORT_6)var_78_arg_0 << 1) | var_78_arg_1; [L955] var_78 = var_78 & mask_SORT_6 [L956] SORT_1 var_79_arg_0 = var_77; [L957] SORT_6 var_79_arg_1 = var_78; [L958] SORT_8 var_79 = ((SORT_8)var_79_arg_0 << 2) | var_79_arg_1; [L959] var_79 = var_79 & mask_SORT_8 [L960] SORT_8 var_80_arg_0 = var_79; [L961] SORT_1 var_80 = var_80_arg_0 == mask_SORT_8; [L962] SORT_1 var_81_arg_0 = var_80; [L963] SORT_1 var_81_arg_1 = var_28; [L964] SORT_6 var_81 = ((SORT_6)var_81_arg_0 << 1) | var_81_arg_1; [L965] SORT_1 var_92_arg_0 = var_91; [L966] SORT_6 var_92_arg_1 = var_81; [L967] SORT_6 var_92_arg_2 = var_38; [L968] EXPR var_92_arg_0 ? var_92_arg_1 : var_92_arg_2 [L968] SORT_6 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L969] SORT_1 var_112_arg_0 = var_111; [L970] SORT_6 var_112_arg_1 = var_95; [L971] SORT_6 var_112_arg_2 = var_92; [L972] EXPR var_112_arg_0 ? var_112_arg_1 : var_112_arg_2 [L972] SORT_6 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L973] SORT_1 var_279_arg_0 = var_278; [L974] SORT_6 var_279_arg_1 = var_38; [L975] SORT_6 var_279_arg_2 = var_112; [L976] EXPR var_279_arg_0 ? var_279_arg_1 : var_279_arg_2 [L976] SORT_6 var_279 = var_279_arg_0 ? var_279_arg_1 : var_279_arg_2; [L977] var_279 = var_279 & mask_SORT_6 [L978] SORT_146 var_281_arg_0 = var_280; [L979] SORT_6 var_281_arg_1 = var_279; [L980] SORT_18 var_281 = ((SORT_18)var_281_arg_0 << 2) | var_281_arg_1; [L981] SORT_1 var_37_arg_0 = state_35; [L982] SORT_18 var_37_arg_1 = state_33; [L983] SORT_18 var_37_arg_2 = input_19; [L984] EXPR var_37_arg_0 ? var_37_arg_1 : var_37_arg_2 [L984] SORT_18 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L985] SORT_1 var_43_arg_0 = var_42; [L986] SORT_18 var_43_arg_1 = var_37; [L987] SORT_18 var_43_arg_2 = var_32; [L988] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L988] SORT_18 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L989] SORT_1 var_45_arg_0 = var_44; [L990] SORT_18 var_45_arg_1 = var_32; [L991] SORT_18 var_45_arg_2 = var_43; [L992] EXPR var_45_arg_0 ? var_45_arg_1 : var_45_arg_2 [L992] SORT_18 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L993] SORT_1 var_299_arg_0 = var_298; [L994] SORT_18 var_299_arg_1 = var_281; [L995] SORT_18 var_299_arg_2 = var_45; [L996] EXPR var_299_arg_0 ? var_299_arg_1 : var_299_arg_2 [L996] SORT_18 var_299 = var_299_arg_0 ? var_299_arg_1 : var_299_arg_2; [L997] var_299 = var_299 & mask_SORT_18 [L998] SORT_18 var_318_arg_0 = var_299; [L999] SORT_18 var_318_arg_1 = var_32; [L1000] SORT_1 var_318 = var_318_arg_0 == var_318_arg_1; [L1001] SORT_1 var_319_arg_0 = var_318; [L1002] SORT_1 var_319 = ~var_319_arg_0; [L1003] var_319 = var_319 & mask_SORT_1 [L1004] SORT_1 var_569_arg_0 = var_349; [L1005] SORT_1 var_569_arg_1 = var_319; [L1006] SORT_6 var_569 = ((SORT_6)var_569_arg_0 << 1) | var_569_arg_1; [L1007] var_569 = var_569 & mask_SORT_6 [L1008] SORT_6 var_570_arg_0 = var_569; [L1009] SORT_1 var_570 = var_570_arg_0 == mask_SORT_6; [L1010] SORT_18 var_303_arg_0 = var_299; [L1011] SORT_18 var_303_arg_1 = var_302; [L1012] SORT_1 var_303 = var_303_arg_0 == var_303_arg_1; [L1013] SORT_1 var_304_arg_0 = var_303; [L1014] SORT_1 var_304 = ~var_304_arg_0; [L1015] SORT_18 var_301_arg_0 = var_299; [L1016] SORT_18 var_301_arg_1 = var_300; [L1017] SORT_1 var_301 = var_301_arg_0 == var_301_arg_1; [L1018] SORT_1 var_305_arg_0 = var_304; [L1019] SORT_1 var_305_arg_1 = var_301; [L1020] SORT_6 var_305 = ((SORT_6)var_305_arg_0 << 1) | var_305_arg_1; [L1021] var_305 = var_305 & mask_SORT_6 [L1022] SORT_6 var_306_arg_0 = var_305; [L1023] SORT_1 var_306 = var_306_arg_0 == mask_SORT_6; [L1024] SORT_1 var_571_arg_0 = var_570; [L1025] SORT_1 var_571_arg_1 = var_306; [L1026] SORT_6 var_571 = ((SORT_6)var_571_arg_0 << 1) | var_571_arg_1; [L1027] var_571 = var_571 & mask_SORT_6 [L1028] SORT_6 var_572_arg_0 = var_571; [L1029] SORT_1 var_572 = var_572_arg_0 == mask_SORT_6; [L1030] SORT_1 var_563_arg_0 = var_319; [L1031] SORT_1 var_563_arg_1 = var_347; [L1032] SORT_6 var_563 = ((SORT_6)var_563_arg_0 << 1) | var_563_arg_1; [L1033] var_563 = var_563 & mask_SORT_6 [L1034] SORT_1 var_564_arg_0 = var_344; [L1035] SORT_6 var_564_arg_1 = var_563; [L1036] SORT_8 var_564 = ((SORT_8)var_564_arg_0 << 2) | var_564_arg_1; [L1037] var_564 = var_564 & mask_SORT_8 [L1038] SORT_8 var_565_arg_0 = var_564; [L1039] SORT_1 var_565 = var_565_arg_0 == mask_SORT_8; [L1040] SORT_1 var_566_arg_0 = var_301; [L1041] SORT_1 var_566_arg_1 = var_565; [L1042] SORT_6 var_566 = ((SORT_6)var_566_arg_0 << 1) | var_566_arg_1; [L1043] var_566 = var_566 & mask_SORT_6 [L1044] SORT_1 var_567_arg_0 = var_304; [L1045] SORT_6 var_567_arg_1 = var_566; [L1046] SORT_8 var_567 = ((SORT_8)var_567_arg_0 << 2) | var_567_arg_1; [L1047] var_567 = var_567 & mask_SORT_8 [L1048] SORT_8 var_568_arg_0 = var_567; [L1049] SORT_1 var_568 = var_568_arg_0 == mask_SORT_8; [L1050] SORT_1 var_573_arg_0 = var_572; [L1051] SORT_1 var_573_arg_1 = var_568; [L1052] SORT_6 var_573 = ((SORT_6)var_573_arg_0 << 1) | var_573_arg_1; [L1053] var_573 = var_573 & mask_SORT_6 [L1054] SORT_6 var_574_arg_0 = var_573; [L1055] SORT_1 var_574 = var_574_arg_0 != 0; [L1056] SORT_1 var_575_arg_0 = var_354; [L1057] SORT_1 var_575_arg_1 = var_574; [L1058] SORT_6 var_575 = ((SORT_6)var_575_arg_0 << 1) | var_575_arg_1; [L1059] var_575 = var_575 & mask_SORT_6 [L1060] SORT_6 var_576_arg_0 = var_575; [L1061] SORT_1 var_576 = var_576_arg_0 == mask_SORT_6; [L1062] SORT_15 var_447_arg_0 = input_16; [L1063] SORT_15 var_447_arg_1 = var_247; [L1064] SORT_1 var_447 = var_447_arg_0 == var_447_arg_1; [L1065] SORT_15 var_445_arg_0 = input_16; [L1066] SORT_15 var_445_arg_1 = var_244; [L1067] SORT_1 var_445 = var_445_arg_0 == var_445_arg_1; [L1068] SORT_1 var_448_arg_0 = var_447; [L1069] SORT_1 var_448_arg_1 = var_445; [L1070] SORT_1 var_448 = var_448_arg_0 | var_448_arg_1; [L1071] var_448 = var_448 & mask_SORT_1 [L1072] SORT_15 var_443_arg_0 = input_16; [L1073] SORT_15 var_443_arg_1 = var_241; [L1074] SORT_1 var_443 = var_443_arg_0 == var_443_arg_1; [L1075] SORT_15 var_450_arg_0 = input_16; [L1076] SORT_15 var_450_arg_1 = var_251; [L1077] SORT_1 var_450 = var_450_arg_0 == var_450_arg_1; [L1078] SORT_1 var_451_arg_0 = var_443; [L1079] SORT_1 var_451_arg_1 = var_450; [L1080] SORT_6 var_451 = ((SORT_6)var_451_arg_0 << 1) | var_451_arg_1; [L1081] var_451 = var_451 & mask_SORT_6 [L1082] SORT_1 var_452_arg_0 = var_448; [L1083] SORT_6 var_452_arg_1 = var_451; [L1084] SORT_8 var_452 = ((SORT_8)var_452_arg_0 << 2) | var_452_arg_1; [L1085] var_452 = var_452 & mask_SORT_8 [L1086] SORT_8 var_453_arg_0 = var_452; [L1087] SORT_1 var_453 = var_453_arg_0 != 0; [L1088] SORT_15 var_440_arg_0 = input_16; [L1089] SORT_15 var_440_arg_1 = var_237; [L1090] SORT_1 var_440 = var_440_arg_0 == var_440_arg_1; [L1091] SORT_15 var_438_arg_0 = input_16; [L1092] SORT_15 var_438_arg_1 = var_234; [L1093] SORT_1 var_438 = var_438_arg_0 == var_438_arg_1; [L1094] SORT_1 var_441_arg_0 = var_440; [L1095] SORT_1 var_441_arg_1 = var_438; [L1096] SORT_1 var_441 = var_441_arg_0 | var_441_arg_1; [L1097] var_441 = var_441 & mask_SORT_1 [L1098] SORT_15 var_436_arg_0 = input_16; [L1099] SORT_15 var_436_arg_1 = var_231; [L1100] SORT_1 var_436 = var_436_arg_0 == var_436_arg_1; [L1101] SORT_15 var_455_arg_0 = input_16; [L1102] SORT_15 var_455_arg_1 = var_257; [L1103] SORT_1 var_455 = var_455_arg_0 == var_455_arg_1; [L1104] SORT_1 var_456_arg_0 = var_436; [L1105] SORT_1 var_456_arg_1 = var_455; [L1106] SORT_6 var_456 = ((SORT_6)var_456_arg_0 << 1) | var_456_arg_1; [L1107] var_456 = var_456 & mask_SORT_6 [L1108] SORT_1 var_457_arg_0 = var_441; [L1109] SORT_6 var_457_arg_1 = var_456; [L1110] SORT_8 var_457 = ((SORT_8)var_457_arg_0 << 2) | var_457_arg_1; [L1111] var_457 = var_457 & mask_SORT_8 [L1112] SORT_1 var_458_arg_0 = var_453; [L1113] SORT_8 var_458_arg_1 = var_457; [L1114] SORT_106 var_458 = ((SORT_106)var_458_arg_0 << 3) | var_458_arg_1; [L1115] var_458 = var_458 & mask_SORT_106 [L1116] SORT_106 var_459_arg_0 = var_458; [L1117] SORT_1 var_459 = var_459_arg_0 != 0; [L1118] SORT_15 var_428_arg_0 = input_16; [L1119] SORT_15 var_428_arg_1 = var_222; [L1120] SORT_1 var_428 = var_428_arg_0 == var_428_arg_1; [L1121] SORT_15 var_426_arg_0 = input_16; [L1122] SORT_15 var_426_arg_1 = var_219; [L1123] SORT_1 var_426 = var_426_arg_0 == var_426_arg_1; [L1124] SORT_1 var_429_arg_0 = var_428; [L1125] SORT_1 var_429_arg_1 = var_426; [L1126] SORT_1 var_429 = var_429_arg_0 | var_429_arg_1; [L1127] var_429 = var_429 & mask_SORT_1 [L1128] SORT_15 var_424_arg_0 = input_16; [L1129] SORT_15 var_424_arg_1 = var_118; [L1130] SORT_1 var_424 = var_424_arg_0 == var_424_arg_1; [L1131] SORT_15 var_431_arg_0 = input_16; [L1132] SORT_15 var_431_arg_1 = var_120; [L1133] SORT_1 var_431 = var_431_arg_0 == var_431_arg_1; [L1134] SORT_1 var_432_arg_0 = var_424; [L1135] SORT_1 var_432_arg_1 = var_431; [L1136] SORT_6 var_432 = ((SORT_6)var_432_arg_0 << 1) | var_432_arg_1; [L1137] var_432 = var_432 & mask_SORT_6 [L1138] SORT_1 var_433_arg_0 = var_429; [L1139] SORT_6 var_433_arg_1 = var_432; [L1140] SORT_8 var_433 = ((SORT_8)var_433_arg_0 << 2) | var_433_arg_1; [L1141] var_433 = var_433 & mask_SORT_8 [L1142] SORT_8 var_434_arg_0 = var_433; [L1143] SORT_1 var_434 = var_434_arg_0 != 0; [L1144] SORT_15 var_421_arg_0 = input_16; [L1145] SORT_15 var_421_arg_1 = var_124; [L1146] SORT_1 var_421 = var_421_arg_0 == var_421_arg_1; [L1147] SORT_15 var_419_arg_0 = input_16; [L1148] SORT_15 var_419_arg_1 = var_122; [L1149] SORT_1 var_419 = var_419_arg_0 == var_419_arg_1; [L1150] SORT_1 var_422_arg_0 = var_421; [L1151] SORT_1 var_422_arg_1 = var_419; [L1152] SORT_1 var_422 = var_422_arg_0 | var_422_arg_1; [L1153] var_422 = var_422 & mask_SORT_1 [L1154] SORT_15 var_417_arg_0 = input_16; [L1155] SORT_15 var_417_arg_1 = var_126; [L1156] SORT_1 var_417 = var_417_arg_0 == var_417_arg_1; [L1157] SORT_15 var_461_arg_0 = input_16; [L1158] SORT_15 var_461_arg_1 = var_128; [L1159] SORT_1 var_461 = var_461_arg_0 == var_461_arg_1; [L1160] SORT_1 var_462_arg_0 = var_417; [L1161] SORT_1 var_462_arg_1 = var_461; [L1162] SORT_6 var_462 = ((SORT_6)var_462_arg_0 << 1) | var_462_arg_1; [L1163] var_462 = var_462 & mask_SORT_6 [L1164] SORT_1 var_463_arg_0 = var_422; [L1165] SORT_6 var_463_arg_1 = var_462; [L1166] SORT_8 var_463 = ((SORT_8)var_463_arg_0 << 2) | var_463_arg_1; [L1167] var_463 = var_463 & mask_SORT_8 [L1168] SORT_1 var_464_arg_0 = var_434; [L1169] SORT_8 var_464_arg_1 = var_463; [L1170] SORT_106 var_464 = ((SORT_106)var_464_arg_0 << 3) | var_464_arg_1; [L1171] var_464 = var_464 & mask_SORT_106 [L1172] SORT_1 var_465_arg_0 = var_459; [L1173] SORT_106 var_465_arg_1 = var_464; [L1174] SORT_15 var_465 = ((SORT_15)var_465_arg_0 << 4) | var_465_arg_1; [L1175] var_465 = var_465 & mask_SORT_15 [L1176] SORT_15 var_466_arg_0 = var_465; [L1177] SORT_1 var_466 = var_466_arg_0 != 0; [L1178] SORT_1 var_446_arg_0 = var_445; [L1179] SORT_1 var_446_arg_1 = var_46; [L1180] SORT_1 var_446_arg_2 = var_46; [L1181] EXPR var_446_arg_0 ? var_446_arg_1 : var_446_arg_2 [L1181] SORT_1 var_446 = var_446_arg_0 ? var_446_arg_1 : var_446_arg_2; [L1182] SORT_1 var_444_arg_0 = var_443; [L1183] SORT_1 var_444_arg_1 = var_46; [L1184] SORT_1 var_444_arg_2 = var_46; [L1185] EXPR var_444_arg_0 ? var_444_arg_1 : var_444_arg_2 [L1185] SORT_1 var_444 = var_444_arg_0 ? var_444_arg_1 : var_444_arg_2; [L1186] SORT_1 var_449_arg_0 = var_448; [L1187] SORT_1 var_449_arg_1 = var_446; [L1188] SORT_1 var_449_arg_2 = var_444; [L1189] EXPR var_449_arg_0 ? var_449_arg_1 : var_449_arg_2 [L1189] SORT_1 var_449 = var_449_arg_0 ? var_449_arg_1 : var_449_arg_2; [L1190] SORT_1 var_439_arg_0 = var_438; [L1191] SORT_1 var_439_arg_1 = var_46; [L1192] SORT_1 var_439_arg_2 = var_46; [L1193] EXPR var_439_arg_0 ? var_439_arg_1 : var_439_arg_2 [L1193] SORT_1 var_439 = var_439_arg_0 ? var_439_arg_1 : var_439_arg_2; [L1194] SORT_1 var_437_arg_0 = var_436; [L1195] SORT_1 var_437_arg_1 = var_46; [L1196] SORT_1 var_437_arg_2 = var_46; [L1197] EXPR var_437_arg_0 ? var_437_arg_1 : var_437_arg_2 [L1197] SORT_1 var_437 = var_437_arg_0 ? var_437_arg_1 : var_437_arg_2; [L1198] SORT_1 var_442_arg_0 = var_441; [L1199] SORT_1 var_442_arg_1 = var_439; [L1200] SORT_1 var_442_arg_2 = var_437; [L1201] EXPR var_442_arg_0 ? var_442_arg_1 : var_442_arg_2 [L1201] SORT_1 var_442 = var_442_arg_0 ? var_442_arg_1 : var_442_arg_2; [L1202] SORT_1 var_454_arg_0 = var_453; [L1203] SORT_1 var_454_arg_1 = var_449; [L1204] SORT_1 var_454_arg_2 = var_442; [L1205] EXPR var_454_arg_0 ? var_454_arg_1 : var_454_arg_2 [L1205] SORT_1 var_454 = var_454_arg_0 ? var_454_arg_1 : var_454_arg_2; [L1206] SORT_1 var_427_arg_0 = var_426; [L1207] SORT_1 var_427_arg_1 = var_46; [L1208] SORT_1 var_427_arg_2 = var_46; [L1209] EXPR var_427_arg_0 ? var_427_arg_1 : var_427_arg_2 [L1209] SORT_1 var_427 = var_427_arg_0 ? var_427_arg_1 : var_427_arg_2; [L1210] SORT_1 var_425_arg_0 = var_424; [L1211] SORT_1 var_425_arg_1 = var_28; [L1212] SORT_1 var_425_arg_2 = var_28; [L1213] EXPR var_425_arg_0 ? var_425_arg_1 : var_425_arg_2 [L1213] SORT_1 var_425 = var_425_arg_0 ? var_425_arg_1 : var_425_arg_2; [L1214] SORT_1 var_430_arg_0 = var_429; [L1215] SORT_1 var_430_arg_1 = var_427; [L1216] SORT_1 var_430_arg_2 = var_425; [L1217] EXPR var_430_arg_0 ? var_430_arg_1 : var_430_arg_2 [L1217] SORT_1 var_430 = var_430_arg_0 ? var_430_arg_1 : var_430_arg_2; [L1218] SORT_1 var_420_arg_0 = var_419; [L1219] SORT_1 var_420_arg_1 = var_28; [L1220] SORT_1 var_420_arg_2 = var_28; [L1221] EXPR var_420_arg_0 ? var_420_arg_1 : var_420_arg_2 [L1221] SORT_1 var_420 = var_420_arg_0 ? var_420_arg_1 : var_420_arg_2; [L1222] SORT_1 var_418_arg_0 = var_417; [L1223] SORT_1 var_418_arg_1 = var_28; [L1224] SORT_1 var_418_arg_2 = var_28; [L1225] EXPR var_418_arg_0 ? var_418_arg_1 : var_418_arg_2 [L1225] SORT_1 var_418 = var_418_arg_0 ? var_418_arg_1 : var_418_arg_2; [L1226] SORT_1 var_423_arg_0 = var_422; [L1227] SORT_1 var_423_arg_1 = var_420; [L1228] SORT_1 var_423_arg_2 = var_418; [L1229] EXPR var_423_arg_0 ? var_423_arg_1 : var_423_arg_2 [L1229] SORT_1 var_423 = var_423_arg_0 ? var_423_arg_1 : var_423_arg_2; [L1230] SORT_1 var_435_arg_0 = var_434; [L1231] SORT_1 var_435_arg_1 = var_430; [L1232] SORT_1 var_435_arg_2 = var_423; [L1233] EXPR var_435_arg_0 ? var_435_arg_1 : var_435_arg_2 [L1233] SORT_1 var_435 = var_435_arg_0 ? var_435_arg_1 : var_435_arg_2; [L1234] SORT_1 var_460_arg_0 = var_459; [L1235] SORT_1 var_460_arg_1 = var_454; [L1236] SORT_1 var_460_arg_2 = var_435; [L1237] EXPR var_460_arg_0 ? var_460_arg_1 : var_460_arg_2 [L1237] SORT_1 var_460 = var_460_arg_0 ? var_460_arg_1 : var_460_arg_2; [L1238] SORT_15 var_403_arg_0 = input_16; [L1239] SORT_15 var_403_arg_1 = var_132; [L1240] SORT_1 var_403 = var_403_arg_0 == var_403_arg_1; [L1241] SORT_15 var_401_arg_0 = input_16; [L1242] SORT_15 var_401_arg_1 = var_130; [L1243] SORT_1 var_401 = var_401_arg_0 == var_401_arg_1; [L1244] SORT_1 var_404_arg_0 = var_403; [L1245] SORT_1 var_404_arg_1 = var_401; [L1246] SORT_1 var_404 = var_404_arg_0 | var_404_arg_1; [L1247] var_404 = var_404 & mask_SORT_1 [L1248] SORT_15 var_399_arg_0 = input_16; [L1249] SORT_15 var_399_arg_1 = var_190; [L1250] SORT_1 var_399 = var_399_arg_0 == var_399_arg_1; [L1251] SORT_15 var_406_arg_0 = input_16; [L1252] SORT_15 var_406_arg_1 = var_198; [L1253] SORT_1 var_406 = var_406_arg_0 == var_406_arg_1; [L1254] SORT_1 var_407_arg_0 = var_399; [L1255] SORT_1 var_407_arg_1 = var_406; [L1256] SORT_6 var_407 = ((SORT_6)var_407_arg_0 << 1) | var_407_arg_1; [L1257] var_407 = var_407 & mask_SORT_6 [L1258] SORT_1 var_408_arg_0 = var_404; [L1259] SORT_6 var_408_arg_1 = var_407; [L1260] SORT_8 var_408 = ((SORT_8)var_408_arg_0 << 2) | var_408_arg_1; [L1261] var_408 = var_408 & mask_SORT_8 [L1262] SORT_8 var_409_arg_0 = var_408; [L1263] SORT_1 var_409 = var_409_arg_0 != 0; [L1264] SORT_15 var_396_arg_0 = input_16; [L1265] SORT_15 var_396_arg_1 = var_98; [L1266] SORT_1 var_396 = var_396_arg_0 == var_396_arg_1; [L1267] SORT_15 var_394_arg_0 = input_16; [L1268] SORT_15 var_394_arg_1 = var_96; [L1269] SORT_1 var_394 = var_394_arg_0 == var_394_arg_1; [L1270] SORT_1 var_397_arg_0 = var_396; [L1271] SORT_1 var_397_arg_1 = var_394; [L1272] SORT_1 var_397 = var_397_arg_0 | var_397_arg_1; [L1273] var_397 = var_397 & mask_SORT_1 [L1274] SORT_15 var_392_arg_0 = input_16; [L1275] SORT_15 var_392_arg_1 = var_102; [L1276] SORT_1 var_392 = var_392_arg_0 == var_392_arg_1; [L1277] SORT_15 var_411_arg_0 = input_16; [L1278] SORT_15 var_411_arg_1 = var_134; [L1279] SORT_1 var_411 = var_411_arg_0 == var_411_arg_1; [L1280] SORT_1 var_412_arg_0 = var_392; [L1281] SORT_1 var_412_arg_1 = var_411; [L1282] SORT_6 var_412 = ((SORT_6)var_412_arg_0 << 1) | var_412_arg_1; [L1283] var_412 = var_412 & mask_SORT_6 [L1284] SORT_1 var_413_arg_0 = var_397; [L1285] SORT_6 var_413_arg_1 = var_412; [L1286] SORT_8 var_413 = ((SORT_8)var_413_arg_0 << 2) | var_413_arg_1; [L1287] var_413 = var_413 & mask_SORT_8 [L1288] SORT_1 var_414_arg_0 = var_409; [L1289] SORT_8 var_414_arg_1 = var_413; [L1290] SORT_106 var_414 = ((SORT_106)var_414_arg_0 << 3) | var_414_arg_1; [L1291] var_414 = var_414 & mask_SORT_106 [L1292] SORT_106 var_415_arg_0 = var_414; [L1293] SORT_1 var_415 = var_415_arg_0 != 0; [L1294] SORT_1 var_402_arg_0 = var_401; [L1295] SORT_1 var_402_arg_1 = var_28; [L1296] SORT_1 var_402_arg_2 = var_28; [L1297] EXPR var_402_arg_0 ? var_402_arg_1 : var_402_arg_2 [L1297] SORT_1 var_402 = var_402_arg_0 ? var_402_arg_1 : var_402_arg_2; [L1298] SORT_1 var_400_arg_0 = var_399; [L1299] SORT_1 var_400_arg_1 = var_28; [L1300] SORT_1 var_400_arg_2 = var_28; [L1301] EXPR var_400_arg_0 ? var_400_arg_1 : var_400_arg_2 [L1301] SORT_1 var_400 = var_400_arg_0 ? var_400_arg_1 : var_400_arg_2; [L1302] SORT_1 var_405_arg_0 = var_404; [L1303] SORT_1 var_405_arg_1 = var_402; [L1304] SORT_1 var_405_arg_2 = var_400; [L1305] EXPR var_405_arg_0 ? var_405_arg_1 : var_405_arg_2 [L1305] SORT_1 var_405 = var_405_arg_0 ? var_405_arg_1 : var_405_arg_2; [L1306] SORT_1 var_395_arg_0 = var_394; [L1307] SORT_1 var_395_arg_1 = var_28; [L1308] SORT_1 var_395_arg_2 = var_28; [L1309] EXPR var_395_arg_0 ? var_395_arg_1 : var_395_arg_2 [L1309] SORT_1 var_395 = var_395_arg_0 ? var_395_arg_1 : var_395_arg_2; [L1310] SORT_1 var_393_arg_0 = var_392; [L1311] SORT_1 var_393_arg_1 = var_28; [L1312] SORT_1 var_393_arg_2 = var_28; [L1313] EXPR var_393_arg_0 ? var_393_arg_1 : var_393_arg_2 [L1313] SORT_1 var_393 = var_393_arg_0 ? var_393_arg_1 : var_393_arg_2; [L1314] SORT_1 var_398_arg_0 = var_397; [L1315] SORT_1 var_398_arg_1 = var_395; [L1316] SORT_1 var_398_arg_2 = var_393; [L1317] EXPR var_398_arg_0 ? var_398_arg_1 : var_398_arg_2 [L1317] SORT_1 var_398 = var_398_arg_0 ? var_398_arg_1 : var_398_arg_2; [L1318] SORT_1 var_410_arg_0 = var_409; [L1319] SORT_1 var_410_arg_1 = var_405; [L1320] SORT_1 var_410_arg_2 = var_398; [L1321] EXPR var_410_arg_0 ? var_410_arg_1 : var_410_arg_2 [L1321] SORT_1 var_410 = var_410_arg_0 ? var_410_arg_1 : var_410_arg_2; [L1322] SORT_15 var_384_arg_0 = input_16; [L1323] SORT_15 var_384_arg_1 = var_136; [L1324] SORT_1 var_384 = var_384_arg_0 == var_384_arg_1; [L1325] SORT_15 var_382_arg_0 = input_16; [L1326] SORT_15 var_382_arg_1 = var_172; [L1327] SORT_1 var_382 = var_382_arg_0 == var_382_arg_1; [L1328] SORT_1 var_385_arg_0 = var_384; [L1329] SORT_1 var_385_arg_1 = var_382; [L1330] SORT_1 var_385 = var_385_arg_0 | var_385_arg_1; [L1331] var_385 = var_385 & mask_SORT_1 [L1332] SORT_15 var_380_arg_0 = input_16; [L1333] SORT_15 var_380_arg_1 = var_140; [L1334] SORT_1 var_380 = var_380_arg_0 == var_380_arg_1; [L1335] SORT_15 var_387_arg_0 = input_16; [L1336] SORT_15 var_387_arg_1 = var_160; [L1337] SORT_1 var_387 = var_387_arg_0 == var_387_arg_1; [L1338] SORT_1 var_388_arg_0 = var_380; [L1339] SORT_1 var_388_arg_1 = var_387; [L1340] SORT_6 var_388 = ((SORT_6)var_388_arg_0 << 1) | var_388_arg_1; [L1341] var_388 = var_388 & mask_SORT_6 [L1342] SORT_1 var_389_arg_0 = var_385; [L1343] SORT_6 var_389_arg_1 = var_388; [L1344] SORT_8 var_389 = ((SORT_8)var_389_arg_0 << 2) | var_389_arg_1; [L1345] var_389 = var_389 & mask_SORT_8 [L1346] SORT_8 var_390_arg_0 = var_389; [L1347] SORT_1 var_390 = var_390_arg_0 != 0; [L1348] SORT_1 var_383_arg_0 = var_382; [L1349] SORT_1 var_383_arg_1 = var_28; [L1350] SORT_1 var_383_arg_2 = var_28; [L1351] EXPR var_383_arg_0 ? var_383_arg_1 : var_383_arg_2 [L1351] SORT_1 var_383 = var_383_arg_0 ? var_383_arg_1 : var_383_arg_2; [L1352] SORT_1 var_381_arg_0 = var_380; [L1353] SORT_1 var_381_arg_1 = var_28; [L1354] SORT_1 var_381_arg_2 = var_28; [L1355] EXPR var_381_arg_0 ? var_381_arg_1 : var_381_arg_2 [L1355] SORT_1 var_381 = var_381_arg_0 ? var_381_arg_1 : var_381_arg_2; [L1356] SORT_1 var_386_arg_0 = var_385; [L1357] SORT_1 var_386_arg_1 = var_383; [L1358] SORT_1 var_386_arg_2 = var_381; [L1359] EXPR var_386_arg_0 ? var_386_arg_1 : var_386_arg_2 [L1359] SORT_1 var_386 = var_386_arg_0 ? var_386_arg_1 : var_386_arg_2; [L1360] SORT_15 var_377_arg_0 = input_16; [L1361] SORT_15 var_377_arg_1 = var_100; [L1362] SORT_1 var_377 = var_377_arg_0 == var_377_arg_1; [L1363] SORT_15 var_375_arg_0 = input_16; [L1364] SORT_15 var_375_arg_1 = var_138; [L1365] SORT_1 var_375 = var_375_arg_0 == var_375_arg_1; [L1366] SORT_1 var_378_arg_0 = var_377; [L1367] SORT_1 var_378_arg_1 = var_375; [L1368] SORT_1 var_378 = var_378_arg_0 | var_378_arg_1; [L1369] var_378 = var_378 & mask_SORT_1 [L1370] SORT_1 var_376_arg_0 = var_375; [L1371] SORT_1 var_376_arg_1 = var_28; [L1372] SORT_1 var_376_arg_2 = var_28; [L1373] EXPR var_376_arg_0 ? var_376_arg_1 : var_376_arg_2 [L1373] SORT_1 var_376 = var_376_arg_0 ? var_376_arg_1 : var_376_arg_2; [L1374] SORT_15 var_373_arg_0 = input_16; [L1375] SORT_15 var_373_arg_1 = var_162; [L1376] SORT_1 var_373 = var_373_arg_0 == var_373_arg_1; [L1377] SORT_1 var_374_arg_0 = var_373; [L1378] SORT_1 var_374_arg_1 = var_28; [L1379] SORT_1 var_374_arg_2 = var_46; [L1380] EXPR var_374_arg_0 ? var_374_arg_1 : var_374_arg_2 [L1380] SORT_1 var_374 = var_374_arg_0 ? var_374_arg_1 : var_374_arg_2; [L1381] SORT_1 var_379_arg_0 = var_378; [L1382] SORT_1 var_379_arg_1 = var_376; [L1383] SORT_1 var_379_arg_2 = var_374; [L1384] EXPR var_379_arg_0 ? var_379_arg_1 : var_379_arg_2 [L1384] SORT_1 var_379 = var_379_arg_0 ? var_379_arg_1 : var_379_arg_2; [L1385] SORT_1 var_391_arg_0 = var_390; [L1386] SORT_1 var_391_arg_1 = var_386; [L1387] SORT_1 var_391_arg_2 = var_379; [L1388] EXPR var_391_arg_0 ? var_391_arg_1 : var_391_arg_2 [L1388] SORT_1 var_391 = var_391_arg_0 ? var_391_arg_1 : var_391_arg_2; [L1389] SORT_1 var_416_arg_0 = var_415; [L1390] SORT_1 var_416_arg_1 = var_410; [L1391] SORT_1 var_416_arg_2 = var_391; [L1392] EXPR var_416_arg_0 ? var_416_arg_1 : var_416_arg_2 [L1392] SORT_1 var_416 = var_416_arg_0 ? var_416_arg_1 : var_416_arg_2; [L1393] SORT_1 var_467_arg_0 = var_466; [L1394] SORT_1 var_467_arg_1 = var_460; [L1395] SORT_1 var_467_arg_2 = var_416; [L1396] EXPR var_467_arg_0 ? var_467_arg_1 : var_467_arg_2 [L1396] SORT_1 var_467 = var_467_arg_0 ? var_467_arg_1 : var_467_arg_2; [L1397] SORT_15 var_372_arg_0 = input_16; [L1398] SORT_15 var_372_arg_1 = var_190; [L1399] SORT_1 var_372 = var_372_arg_0 == var_372_arg_1; [L1400] SORT_15 var_371_arg_0 = input_16; [L1401] SORT_15 var_371_arg_1 = var_198; [L1402] SORT_1 var_371 = var_371_arg_0 == var_371_arg_1; [L1403] SORT_15 var_370_arg_0 = input_16; [L1404] SORT_15 var_370_arg_1 = var_172; [L1405] SORT_1 var_370 = var_370_arg_0 == var_370_arg_1; [L1406] SORT_15 var_369_arg_0 = input_16; [L1407] SORT_15 var_369_arg_1 = var_162; [L1408] SORT_1 var_369 = var_369_arg_0 == var_369_arg_1; [L1409] SORT_1 var_468_arg_0 = var_370; [L1410] SORT_1 var_468_arg_1 = var_369; [L1411] SORT_6 var_468 = ((SORT_6)var_468_arg_0 << 1) | var_468_arg_1; [L1412] var_468 = var_468 & mask_SORT_6 [L1413] SORT_1 var_469_arg_0 = var_371; [L1414] SORT_6 var_469_arg_1 = var_468; [L1415] SORT_8 var_469 = ((SORT_8)var_469_arg_0 << 2) | var_469_arg_1; [L1416] var_469 = var_469 & mask_SORT_8 [L1417] SORT_1 var_470_arg_0 = var_372; [L1418] SORT_8 var_470_arg_1 = var_469; [L1419] SORT_106 var_470 = ((SORT_106)var_470_arg_0 << 3) | var_470_arg_1; [L1420] var_470 = var_470 & mask_SORT_106 [L1421] SORT_1 var_471_arg_0 = var_467; [L1422] SORT_106 var_471_arg_1 = var_470; [L1423] SORT_15 var_471 = ((SORT_15)var_471_arg_0 << 4) | var_471_arg_1; [L1424] var_471 = var_471 & mask_SORT_15 [L1425] SORT_15 var_472_arg_0 = var_471; [L1426] SORT_1 var_472 = var_472_arg_0 != 0; [L1427] SORT_1 var_473_arg_0 = var_101; [L1428] SORT_1 var_473_arg_1 = var_472; [L1429] SORT_6 var_473 = ((SORT_6)var_473_arg_0 << 1) | var_473_arg_1; [L1430] var_473 = var_473 & mask_SORT_6 [L1431] SORT_6 var_474_arg_0 = var_473; [L1432] SORT_1 var_474 = var_474_arg_0 != 0; [L1433] SORT_1 var_475_arg_0 = var_139; [L1434] SORT_1 var_475_arg_1 = var_474; [L1435] SORT_6 var_475 = ((SORT_6)var_475_arg_0 << 1) | var_475_arg_1; [L1436] var_475 = var_475 & mask_SORT_6 [L1437] SORT_6 var_476_arg_0 = var_475; [L1438] SORT_1 var_476 = var_476_arg_0 != 0; [L1439] SORT_1 var_477_arg_0 = var_161; [L1440] SORT_1 var_477_arg_1 = var_476; [L1441] SORT_6 var_477 = ((SORT_6)var_477_arg_0 << 1) | var_477_arg_1; [L1442] var_477 = var_477 & mask_SORT_6 [L1443] SORT_6 var_478_arg_0 = var_477; [L1444] SORT_1 var_478 = var_478_arg_0 != 0; [L1445] SORT_1 var_479_arg_0 = var_141; [L1446] SORT_1 var_479_arg_1 = var_478; [L1447] SORT_6 var_479 = ((SORT_6)var_479_arg_0 << 1) | var_479_arg_1; [L1448] var_479 = var_479 & mask_SORT_6 [L1449] SORT_6 var_480_arg_0 = var_479; [L1450] SORT_1 var_480 = var_480_arg_0 != 0; [L1451] SORT_1 var_481_arg_0 = var_137; [L1452] SORT_1 var_481_arg_1 = var_480; [L1453] SORT_6 var_481 = ((SORT_6)var_481_arg_0 << 1) | var_481_arg_1; [L1454] var_481 = var_481 & mask_SORT_6 [L1455] SORT_6 var_482_arg_0 = var_481; [L1456] SORT_1 var_482 = var_482_arg_0 != 0; [L1457] SORT_1 var_483_arg_0 = var_135; [L1458] SORT_1 var_483_arg_1 = var_482; [L1459] SORT_6 var_483 = ((SORT_6)var_483_arg_0 << 1) | var_483_arg_1; [L1460] var_483 = var_483 & mask_SORT_6 [L1461] SORT_6 var_484_arg_0 = var_483; [L1462] SORT_1 var_484 = var_484_arg_0 != 0; [L1463] SORT_1 var_485_arg_0 = var_103; [L1464] SORT_1 var_485_arg_1 = var_484; [L1465] SORT_6 var_485 = ((SORT_6)var_485_arg_0 << 1) | var_485_arg_1; [L1466] var_485 = var_485 & mask_SORT_6 [L1467] SORT_6 var_486_arg_0 = var_485; [L1468] SORT_1 var_486 = var_486_arg_0 != 0; [L1469] SORT_1 var_487_arg_0 = var_99; [L1470] SORT_1 var_487_arg_1 = var_486; [L1471] SORT_6 var_487 = ((SORT_6)var_487_arg_0 << 1) | var_487_arg_1; [L1472] var_487 = var_487 & mask_SORT_6 [L1473] SORT_6 var_488_arg_0 = var_487; [L1474] SORT_1 var_488 = var_488_arg_0 != 0; [L1475] SORT_1 var_489_arg_0 = var_97; [L1476] SORT_1 var_489_arg_1 = var_488; [L1477] SORT_6 var_489 = ((SORT_6)var_489_arg_0 << 1) | var_489_arg_1; [L1478] var_489 = var_489 & mask_SORT_6 [L1479] SORT_6 var_490_arg_0 = var_489; [L1480] SORT_1 var_490 = var_490_arg_0 != 0; [L1481] SORT_1 var_491_arg_0 = var_133; [L1482] SORT_1 var_491_arg_1 = var_490; [L1483] SORT_6 var_491 = ((SORT_6)var_491_arg_0 << 1) | var_491_arg_1; [L1484] var_491 = var_491 & mask_SORT_6 [L1485] SORT_6 var_492_arg_0 = var_491; [L1486] SORT_1 var_492 = var_492_arg_0 != 0; [L1487] SORT_1 var_493_arg_0 = var_131; [L1488] SORT_1 var_493_arg_1 = var_492; [L1489] SORT_6 var_493 = ((SORT_6)var_493_arg_0 << 1) | var_493_arg_1; [L1490] var_493 = var_493 & mask_SORT_6 [L1491] SORT_6 var_494_arg_0 = var_493; [L1492] SORT_1 var_494 = var_494_arg_0 != 0; [L1493] SORT_1 var_495_arg_0 = var_129; [L1494] SORT_1 var_495_arg_1 = var_494; [L1495] SORT_6 var_495 = ((SORT_6)var_495_arg_0 << 1) | var_495_arg_1; [L1496] var_495 = var_495 & mask_SORT_6 [L1497] SORT_6 var_496_arg_0 = var_495; [L1498] SORT_1 var_496 = var_496_arg_0 != 0; [L1499] SORT_1 var_497_arg_0 = var_127; [L1500] SORT_1 var_497_arg_1 = var_496; [L1501] SORT_6 var_497 = ((SORT_6)var_497_arg_0 << 1) | var_497_arg_1; [L1502] var_497 = var_497 & mask_SORT_6 [L1503] SORT_6 var_498_arg_0 = var_497; [L1504] SORT_1 var_498 = var_498_arg_0 != 0; [L1505] SORT_1 var_499_arg_0 = var_125; [L1506] SORT_1 var_499_arg_1 = var_498; [L1507] SORT_6 var_499 = ((SORT_6)var_499_arg_0 << 1) | var_499_arg_1; [L1508] var_499 = var_499 & mask_SORT_6 [L1509] SORT_6 var_500_arg_0 = var_499; [L1510] SORT_1 var_500 = var_500_arg_0 != 0; [L1511] SORT_1 var_501_arg_0 = var_123; [L1512] SORT_1 var_501_arg_1 = var_500; [L1513] SORT_6 var_501 = ((SORT_6)var_501_arg_0 << 1) | var_501_arg_1; [L1514] var_501 = var_501 & mask_SORT_6 [L1515] SORT_6 var_502_arg_0 = var_501; [L1516] SORT_1 var_502 = var_502_arg_0 != 0; [L1517] SORT_1 var_556_arg_0 = var_121; [L1518] SORT_1 var_556_arg_1 = var_502; [L1519] SORT_6 var_556 = ((SORT_6)var_556_arg_0 << 1) | var_556_arg_1; [L1520] var_556 = var_556 & mask_SORT_6 [L1521] SORT_6 var_557_arg_0 = var_556; [L1522] SORT_1 var_557 = var_557_arg_0 != 0; [L1523] SORT_1 var_558_arg_0 = var_557; [L1524] SORT_1 var_558_arg_1 = var_317; [L1525] SORT_6 var_558 = ((SORT_6)var_558_arg_0 << 1) | var_558_arg_1; [L1526] var_558 = var_558 & mask_SORT_6 [L1527] SORT_1 var_559_arg_0 = var_83; [L1528] SORT_6 var_559_arg_1 = var_558; [L1529] SORT_8 var_559 = ((SORT_8)var_559_arg_0 << 2) | var_559_arg_1; [L1530] var_559 = var_559 & mask_SORT_8 [L1531] SORT_8 var_560_arg_0 = var_559; [L1532] SORT_1 var_560 = var_560_arg_0 == mask_SORT_8; [L1533] SORT_1 var_532_arg_0 = var_486; [L1534] SORT_1 var_532_arg_1 = var_488; [L1535] SORT_6 var_532 = ((SORT_6)var_532_arg_0 << 1) | var_532_arg_1; [L1536] var_532 = var_532 & mask_SORT_6 [L1537] SORT_1 var_533_arg_0 = var_484; [L1538] SORT_6 var_533_arg_1 = var_532; [L1539] SORT_8 var_533 = ((SORT_8)var_533_arg_0 << 2) | var_533_arg_1; [L1540] var_533 = var_533 & mask_SORT_8 [L1541] SORT_1 var_534_arg_0 = var_482; [L1542] SORT_8 var_534_arg_1 = var_533; [L1543] SORT_106 var_534 = ((SORT_106)var_534_arg_0 << 3) | var_534_arg_1; [L1544] var_534 = var_534 & mask_SORT_106 [L1545] SORT_1 var_535_arg_0 = var_480; [L1546] SORT_106 var_535_arg_1 = var_534; [L1547] SORT_15 var_535 = ((SORT_15)var_535_arg_0 << 4) | var_535_arg_1; [L1548] var_535 = var_535 & mask_SORT_15 [L1549] SORT_1 var_536_arg_0 = var_478; [L1550] SORT_15 var_536_arg_1 = var_535; [L1551] SORT_146 var_536 = ((SORT_146)var_536_arg_0 << 5) | var_536_arg_1; [L1552] var_536 = var_536 & mask_SORT_146 [L1553] SORT_1 var_537_arg_0 = var_476; [L1554] SORT_146 var_537_arg_1 = var_536; [L1555] SORT_148 var_537 = ((SORT_148)var_537_arg_0 << 6) | var_537_arg_1; [L1556] var_537 = var_537 & mask_SORT_148 [L1557] SORT_1 var_538_arg_0 = var_474; [L1558] SORT_148 var_538_arg_1 = var_537; [L1559] SORT_18 var_538 = ((SORT_18)var_538_arg_0 << 7) | var_538_arg_1; [L1560] var_538 = var_538 & mask_SORT_18 [L1561] SORT_1 var_539_arg_0 = var_319; [L1562] SORT_18 var_539_arg_1 = var_538; [L1563] SORT_151 var_539 = ((SORT_151)var_539_arg_0 << 8) | var_539_arg_1; [L1564] var_539 = var_539 & mask_SORT_151 [L1565] SORT_1 var_540_arg_0 = var_101; [L1566] SORT_151 var_540_arg_1 = var_539; [L1567] SORT_153 var_540 = ((SORT_153)var_540_arg_0 << 9) | var_540_arg_1; [L1568] var_540 = var_540 & mask_SORT_153 [L1569] SORT_153 var_541_arg_0 = var_540; [L1570] SORT_1 var_541 = var_541_arg_0 == mask_SORT_153; [L1571] SORT_1 var_530_arg_0 = var_97; [L1572] SORT_1 var_530_arg_1 = var_319; [L1573] SORT_6 var_530 = ((SORT_6)var_530_arg_0 << 1) | var_530_arg_1; [L1574] var_530 = var_530 & mask_SORT_6 [L1575] SORT_6 var_531_arg_0 = var_530; [L1576] SORT_1 var_531 = var_531_arg_0 == mask_SORT_6; [L1577] SORT_1 var_542_arg_0 = var_541; [L1578] SORT_1 var_542_arg_1 = var_531; [L1579] SORT_6 var_542 = ((SORT_6)var_542_arg_0 << 1) | var_542_arg_1; [L1580] var_542 = var_542 & mask_SORT_6 [L1581] SORT_6 var_543_arg_0 = var_542; [L1582] SORT_1 var_543 = var_543_arg_0 != 0; [L1583] SORT_1 var_544_arg_0 = var_500; [L1584] SORT_1 var_544_arg_1 = var_502; [L1585] SORT_6 var_544 = ((SORT_6)var_544_arg_0 << 1) | var_544_arg_1; [L1586] var_544 = var_544 & mask_SORT_6 [L1587] SORT_1 var_545_arg_0 = var_498; [L1588] SORT_6 var_545_arg_1 = var_544; [L1589] SORT_8 var_545 = ((SORT_8)var_545_arg_0 << 2) | var_545_arg_1; [L1590] var_545 = var_545 & mask_SORT_8 [L1591] SORT_1 var_546_arg_0 = var_496; [L1592] SORT_8 var_546_arg_1 = var_545; [L1593] SORT_106 var_546 = ((SORT_106)var_546_arg_0 << 3) | var_546_arg_1; [L1594] var_546 = var_546 & mask_SORT_106 [L1595] SORT_1 var_547_arg_0 = var_494; [L1596] SORT_106 var_547_arg_1 = var_546; [L1597] SORT_15 var_547 = ((SORT_15)var_547_arg_0 << 4) | var_547_arg_1; [L1598] var_547 = var_547 & mask_SORT_15 [L1599] SORT_1 var_548_arg_0 = var_492; [L1600] SORT_15 var_548_arg_1 = var_547; [L1601] SORT_146 var_548 = ((SORT_146)var_548_arg_0 << 5) | var_548_arg_1; [L1602] var_548 = var_548 & mask_SORT_146 [L1603] SORT_1 var_549_arg_0 = var_490; [L1604] SORT_146 var_549_arg_1 = var_548; [L1605] SORT_148 var_549 = ((SORT_148)var_549_arg_0 << 6) | var_549_arg_1; [L1606] var_549 = var_549 & mask_SORT_148 [L1607] SORT_1 var_550_arg_0 = var_543; [L1608] SORT_148 var_550_arg_1 = var_549; [L1609] SORT_18 var_550 = ((SORT_18)var_550_arg_0 << 7) | var_550_arg_1; [L1610] var_550 = var_550 & mask_SORT_18 [L1611] SORT_18 var_551_arg_0 = var_550; [L1612] SORT_1 var_551 = var_551_arg_0 == mask_SORT_18; [L1613] SORT_1 var_527_arg_0 = var_301; [L1614] SORT_1 var_527 = ~var_527_arg_0; [L1615] var_527 = var_527 & mask_SORT_1 [L1616] SORT_1 var_528_arg_0 = var_304; [L1617] SORT_1 var_528_arg_1 = var_527; [L1618] SORT_6 var_528 = ((SORT_6)var_528_arg_0 << 1) | var_528_arg_1; [L1619] var_528 = var_528 & mask_SORT_6 [L1620] SORT_6 var_529_arg_0 = var_528; [L1621] SORT_1 var_529 = var_529_arg_0 == mask_SORT_6; [L1622] SORT_1 var_552_arg_0 = var_551; [L1623] SORT_1 var_552_arg_1 = var_529; [L1624] SORT_6 var_552 = ((SORT_6)var_552_arg_0 << 1) | var_552_arg_1; [L1625] var_552 = var_552 & mask_SORT_6 [L1626] SORT_6 var_553_arg_0 = var_552; [L1627] SORT_1 var_553 = var_553_arg_0 == mask_SORT_6; [L1628] SORT_1 var_503_arg_0 = var_467; [L1629] SORT_1 var_503_arg_1 = var_371; [L1630] SORT_6 var_503 = ((SORT_6)var_503_arg_0 << 1) | var_503_arg_1; [L1631] var_503 = var_503 & mask_SORT_6 [L1632] SORT_6 var_504_arg_0 = var_503; [L1633] SORT_1 var_504 = var_504_arg_0 != 0; [L1634] SORT_1 var_505_arg_0 = var_500; [L1635] SORT_1 var_505_arg_1 = var_502; [L1636] SORT_6 var_505 = ((SORT_6)var_505_arg_0 << 1) | var_505_arg_1; [L1637] var_505 = var_505 & mask_SORT_6 [L1638] SORT_1 var_506_arg_0 = var_498; [L1639] SORT_6 var_506_arg_1 = var_505; [L1640] SORT_8 var_506 = ((SORT_8)var_506_arg_0 << 2) | var_506_arg_1; [L1641] var_506 = var_506 & mask_SORT_8 [L1642] SORT_1 var_507_arg_0 = var_496; [L1643] SORT_8 var_507_arg_1 = var_506; [L1644] SORT_106 var_507 = ((SORT_106)var_507_arg_0 << 3) | var_507_arg_1; [L1645] var_507 = var_507 & mask_SORT_106 [L1646] SORT_1 var_508_arg_0 = var_494; [L1647] SORT_106 var_508_arg_1 = var_507; [L1648] SORT_15 var_508 = ((SORT_15)var_508_arg_0 << 4) | var_508_arg_1; [L1649] var_508 = var_508 & mask_SORT_15 [L1650] SORT_1 var_509_arg_0 = var_492; [L1651] SORT_15 var_509_arg_1 = var_508; [L1652] SORT_146 var_509 = ((SORT_146)var_509_arg_0 << 5) | var_509_arg_1; [L1653] var_509 = var_509 & mask_SORT_146 [L1654] SORT_1 var_510_arg_0 = var_490; [L1655] SORT_146 var_510_arg_1 = var_509; [L1656] SORT_148 var_510 = ((SORT_148)var_510_arg_0 << 6) | var_510_arg_1; [L1657] var_510 = var_510 & mask_SORT_148 [L1658] SORT_1 var_511_arg_0 = var_488; [L1659] SORT_148 var_511_arg_1 = var_510; [L1660] SORT_18 var_511 = ((SORT_18)var_511_arg_0 << 7) | var_511_arg_1; [L1661] var_511 = var_511 & mask_SORT_18 [L1662] SORT_1 var_512_arg_0 = var_486; [L1663] SORT_18 var_512_arg_1 = var_511; [L1664] SORT_151 var_512 = ((SORT_151)var_512_arg_0 << 8) | var_512_arg_1; [L1665] var_512 = var_512 & mask_SORT_151 [L1666] SORT_1 var_513_arg_0 = var_484; [L1667] SORT_151 var_513_arg_1 = var_512; [L1668] SORT_153 var_513 = ((SORT_153)var_513_arg_0 << 9) | var_513_arg_1; [L1669] var_513 = var_513 & mask_SORT_153 [L1670] SORT_1 var_514_arg_0 = var_482; [L1671] SORT_153 var_514_arg_1 = var_513; [L1672] SORT_155 var_514 = ((SORT_155)var_514_arg_0 << 10) | var_514_arg_1; [L1673] var_514 = var_514 & mask_SORT_155 [L1674] SORT_1 var_515_arg_0 = var_480; [L1675] SORT_155 var_515_arg_1 = var_514; [L1676] SORT_157 var_515 = ((SORT_157)var_515_arg_0 << 11) | var_515_arg_1; [L1677] var_515 = var_515 & mask_SORT_157 [L1678] SORT_1 var_517_arg_0 = var_478; [L1679] SORT_157 var_517_arg_1 = var_515; [L1680] SORT_516 var_517 = ((SORT_516)var_517_arg_0 << 12) | var_517_arg_1; [L1681] var_517 = var_517 & mask_SORT_516 [L1682] SORT_1 var_519_arg_0 = var_476; [L1683] SORT_516 var_519_arg_1 = var_517; [L1684] SORT_518 var_519 = ((SORT_518)var_519_arg_0 << 13) | var_519_arg_1; [L1685] var_519 = var_519 & mask_SORT_518 [L1686] SORT_1 var_521_arg_0 = var_474; [L1687] SORT_518 var_521_arg_1 = var_519; [L1688] SORT_520 var_521 = ((SORT_520)var_521_arg_0 << 14) | var_521_arg_1; [L1689] var_521 = var_521 & mask_SORT_520 [L1690] SORT_1 var_523_arg_0 = var_472; [L1691] SORT_520 var_523_arg_1 = var_521; [L1692] SORT_522 var_523 = ((SORT_522)var_523_arg_0 << 15) | var_523_arg_1; [L1693] var_523 = var_523 & mask_SORT_522 [L1694] SORT_1 var_525_arg_0 = var_504; [L1695] SORT_522 var_525_arg_1 = var_523; [L1696] SORT_524 var_525 = ((SORT_524)var_525_arg_0 << 16) | var_525_arg_1; [L1697] var_525 = var_525 & mask_SORT_524 [L1698] SORT_524 var_526_arg_0 = var_525; [L1699] SORT_1 var_526 = var_526_arg_0 == mask_SORT_524; [L1700] SORT_1 var_554_arg_0 = var_553; [L1701] SORT_1 var_554_arg_1 = var_526; [L1702] SORT_6 var_554 = ((SORT_6)var_554_arg_0 << 1) | var_554_arg_1; [L1703] var_554 = var_554 & mask_SORT_6 [L1704] SORT_6 var_555_arg_0 = var_554; [L1705] SORT_1 var_555 = var_555_arg_0 != 0; [L1706] SORT_1 var_561_arg_0 = var_560; [L1707] SORT_1 var_561_arg_1 = var_555; [L1708] SORT_6 var_561 = ((SORT_6)var_561_arg_0 << 1) | var_561_arg_1; [L1709] var_561 = var_561 & mask_SORT_6 [L1710] SORT_6 var_562_arg_0 = var_561; [L1711] SORT_1 var_562 = var_562_arg_0 == mask_SORT_6; [L1712] SORT_1 var_363_arg_0 = var_319; [L1713] SORT_1 var_363_arg_1 = var_313; [L1714] SORT_6 var_363 = ((SORT_6)var_363_arg_0 << 1) | var_363_arg_1; [L1715] var_363 = var_363 & mask_SORT_6 [L1716] SORT_1 var_364_arg_0 = var_86; [L1717] SORT_6 var_364_arg_1 = var_363; [L1718] SORT_8 var_364 = ((SORT_8)var_364_arg_0 << 2) | var_364_arg_1; [L1719] var_364 = var_364 & mask_SORT_8 [L1720] SORT_8 var_365_arg_0 = var_364; [L1721] SORT_1 var_365 = var_365_arg_0 == mask_SORT_8; [L1722] SORT_1 var_366_arg_0 = var_301; [L1723] SORT_1 var_366_arg_1 = var_365; [L1724] SORT_6 var_366 = ((SORT_6)var_366_arg_0 << 1) | var_366_arg_1; [L1725] var_366 = var_366 & mask_SORT_6 [L1726] SORT_1 var_367_arg_0 = var_304; [L1727] SORT_6 var_367_arg_1 = var_366; [L1728] SORT_8 var_367 = ((SORT_8)var_367_arg_0 << 2) | var_367_arg_1; [L1729] var_367 = var_367 & mask_SORT_8 [L1730] SORT_8 var_368_arg_0 = var_367; [L1731] SORT_1 var_368 = var_368_arg_0 == mask_SORT_8; [L1732] SORT_1 var_355_arg_0 = var_347; [L1733] SORT_1 var_355_arg_1 = var_354; [L1734] SORT_6 var_355 = ((SORT_6)var_355_arg_0 << 1) | var_355_arg_1; [L1735] var_355 = var_355 & mask_SORT_6 [L1736] SORT_1 var_356_arg_0 = var_319; [L1737] SORT_6 var_356_arg_1 = var_355; [L1738] SORT_8 var_356 = ((SORT_8)var_356_arg_0 << 2) | var_356_arg_1; [L1739] var_356 = var_356 & mask_SORT_8 [L1740] SORT_1 var_357_arg_0 = var_345; [L1741] SORT_8 var_357_arg_1 = var_356; [L1742] SORT_106 var_357 = ((SORT_106)var_357_arg_0 << 3) | var_357_arg_1; [L1743] var_357 = var_357 & mask_SORT_106 [L1744] SORT_106 var_358_arg_0 = var_357; [L1745] SORT_1 var_358 = var_358_arg_0 == mask_SORT_106; [L1746] SORT_8 var_331_arg_0 = input_9; [L1747] SORT_8 var_331_arg_1 = var_63; [L1748] SORT_1 var_331 = var_331_arg_0 == var_331_arg_1; [L1749] SORT_8 var_329_arg_0 = input_9; [L1750] SORT_8 var_329_arg_1 = var_60; [L1751] SORT_1 var_329 = var_329_arg_0 == var_329_arg_1; [L1752] SORT_1 var_332_arg_0 = var_331; [L1753] SORT_1 var_332_arg_1 = var_329; [L1754] SORT_1 var_332 = var_332_arg_0 | var_332_arg_1; [L1755] var_332 = var_332 & mask_SORT_1 [L1756] SORT_8 var_327_arg_0 = input_9; [L1757] SORT_8 var_327_arg_1 = var_57; [L1758] SORT_1 var_327 = var_327_arg_0 == var_327_arg_1; [L1759] SORT_8 var_334_arg_0 = input_9; [L1760] SORT_8 var_334_arg_1 = var_67; [L1761] SORT_1 var_334 = var_334_arg_0 == var_334_arg_1; [L1762] SORT_1 var_335_arg_0 = var_327; [L1763] SORT_1 var_335_arg_1 = var_334; [L1764] SORT_6 var_335 = ((SORT_6)var_335_arg_0 << 1) | var_335_arg_1; [L1765] var_335 = var_335 & mask_SORT_6 [L1766] SORT_1 var_336_arg_0 = var_332; [L1767] SORT_6 var_336_arg_1 = var_335; [L1768] SORT_8 var_336 = ((SORT_8)var_336_arg_0 << 2) | var_336_arg_1; [L1769] var_336 = var_336 & mask_SORT_8 [L1770] SORT_8 var_337_arg_0 = var_336; [L1771] SORT_1 var_337 = var_337_arg_0 != 0; [L1772] SORT_1 var_330_arg_0 = var_329; [L1773] SORT_1 var_330_arg_1 = var_46; [L1774] SORT_1 var_330_arg_2 = var_46; [L1775] EXPR var_330_arg_0 ? var_330_arg_1 : var_330_arg_2 [L1775] SORT_1 var_330 = var_330_arg_0 ? var_330_arg_1 : var_330_arg_2; [L1776] SORT_1 var_328_arg_0 = var_327; [L1777] SORT_1 var_328_arg_1 = var_28; [L1778] SORT_1 var_328_arg_2 = var_28; [L1779] EXPR var_328_arg_0 ? var_328_arg_1 : var_328_arg_2 [L1779] SORT_1 var_328 = var_328_arg_0 ? var_328_arg_1 : var_328_arg_2; [L1780] SORT_1 var_333_arg_0 = var_332; [L1781] SORT_1 var_333_arg_1 = var_330; [L1782] SORT_1 var_333_arg_2 = var_328; [L1783] EXPR var_333_arg_0 ? var_333_arg_1 : var_333_arg_2 [L1783] SORT_1 var_333 = var_333_arg_0 ? var_333_arg_1 : var_333_arg_2; [L1784] SORT_8 var_324_arg_0 = input_9; [L1785] SORT_8 var_324_arg_1 = var_53; [L1786] SORT_1 var_324 = var_324_arg_0 == var_324_arg_1; [L1787] SORT_8 var_322_arg_0 = input_9; [L1788] SORT_8 var_322_arg_1 = var_50; [L1789] SORT_1 var_322 = var_322_arg_0 == var_322_arg_1; [L1790] SORT_1 var_325_arg_0 = var_324; [L1791] SORT_1 var_325_arg_1 = var_322; [L1792] SORT_1 var_325 = var_325_arg_0 | var_325_arg_1; [L1793] var_325 = var_325 & mask_SORT_1 [L1794] SORT_1 var_323_arg_0 = var_322; [L1795] SORT_1 var_323_arg_1 = var_28; [L1796] SORT_1 var_323_arg_2 = var_28; [L1797] EXPR var_323_arg_0 ? var_323_arg_1 : var_323_arg_2 [L1797] SORT_1 var_323 = var_323_arg_0 ? var_323_arg_1 : var_323_arg_2; [L1798] SORT_8 var_320_arg_0 = input_9; [L1799] SORT_8 var_320_arg_1 = var_47; [L1800] SORT_1 var_320 = var_320_arg_0 == var_320_arg_1; [L1801] SORT_1 var_321_arg_0 = var_320; [L1802] SORT_1 var_321_arg_1 = var_28; [L1803] SORT_1 var_321_arg_2 = var_46; [L1804] EXPR var_321_arg_0 ? var_321_arg_1 : var_321_arg_2 [L1804] SORT_1 var_321 = var_321_arg_0 ? var_321_arg_1 : var_321_arg_2; [L1805] SORT_1 var_326_arg_0 = var_325; [L1806] SORT_1 var_326_arg_1 = var_323; [L1807] SORT_1 var_326_arg_2 = var_321; [L1808] EXPR var_326_arg_0 ? var_326_arg_1 : var_326_arg_2 [L1808] SORT_1 var_326 = var_326_arg_0 ? var_326_arg_1 : var_326_arg_2; [L1809] SORT_1 var_338_arg_0 = var_337; [L1810] SORT_1 var_338_arg_1 = var_333; [L1811] SORT_1 var_338_arg_2 = var_326; [L1812] EXPR var_338_arg_0 ? var_338_arg_1 : var_338_arg_2 [L1812] SORT_1 var_338 = var_338_arg_0 ? var_338_arg_1 : var_338_arg_2; [L1813] SORT_1 var_339_arg_0 = var_84; [L1814] SORT_1 var_339_arg_1 = var_317; [L1815] SORT_6 var_339 = ((SORT_6)var_339_arg_0 << 1) | var_339_arg_1; [L1816] var_339 = var_339 & mask_SORT_6 [L1817] SORT_1 var_340_arg_0 = var_319; [L1818] SORT_6 var_340_arg_1 = var_339; [L1819] SORT_8 var_340 = ((SORT_8)var_340_arg_0 << 2) | var_340_arg_1; [L1820] var_340 = var_340 & mask_SORT_8 [L1821] SORT_1 var_341_arg_0 = var_338; [L1822] SORT_8 var_341_arg_1 = var_340; [L1823] SORT_106 var_341 = ((SORT_106)var_341_arg_0 << 3) | var_341_arg_1; [L1824] var_341 = var_341 & mask_SORT_106 [L1825] SORT_106 var_342_arg_0 = var_341; [L1826] SORT_1 var_342 = var_342_arg_0 == mask_SORT_106; [L1827] SORT_1 var_359_arg_0 = var_358; [L1828] SORT_1 var_359_arg_1 = var_342; [L1829] SORT_6 var_359 = ((SORT_6)var_359_arg_0 << 1) | var_359_arg_1; [L1830] var_359 = var_359 & mask_SORT_6 [L1831] SORT_6 var_360_arg_0 = var_359; [L1832] SORT_1 var_360 = var_360_arg_0 != 0; [L1833] SORT_1 var_361_arg_0 = var_360; [L1834] SORT_1 var_361_arg_1 = var_306; [L1835] SORT_6 var_361 = ((SORT_6)var_361_arg_0 << 1) | var_361_arg_1; [L1836] var_361 = var_361 & mask_SORT_6 [L1837] SORT_6 var_362_arg_0 = var_361; [L1838] SORT_1 var_362 = var_362_arg_0 == mask_SORT_6; [L1839] SORT_1 var_577_arg_0 = var_368; [L1840] SORT_1 var_577_arg_1 = var_362; [L1841] SORT_6 var_577 = ((SORT_6)var_577_arg_0 << 1) | var_577_arg_1; [L1842] var_577 = var_577 & mask_SORT_6 [L1843] SORT_1 var_578_arg_0 = var_562; [L1844] SORT_6 var_578_arg_1 = var_577; [L1845] SORT_8 var_578 = ((SORT_8)var_578_arg_0 << 2) | var_578_arg_1; [L1846] var_578 = var_578 & mask_SORT_8 [L1847] SORT_1 var_579_arg_0 = var_576; [L1848] SORT_8 var_579_arg_1 = var_578; [L1849] SORT_106 var_579 = ((SORT_106)var_579_arg_0 << 3) | var_579_arg_1; [L1850] var_579 = var_579 & mask_SORT_106 [L1851] SORT_106 var_580_arg_0 = var_579; [L1852] SORT_1 var_580 = var_580_arg_0 != 0; [L1853] SORT_1 var_583_arg_0 = state_35; [L1854] SORT_18 var_583_arg_1 = state_581; [L1855] SORT_18 var_583_arg_2 = input_19; [L1856] EXPR var_583_arg_0 ? var_583_arg_1 : var_583_arg_2 [L1856] SORT_18 var_583 = var_583_arg_0 ? var_583_arg_1 : var_583_arg_2; [L1857] SORT_1 var_584_arg_0 = var_42; [L1858] SORT_18 var_584_arg_1 = var_583; [L1859] SORT_18 var_584_arg_2 = var_32; [L1860] EXPR var_584_arg_0 ? var_584_arg_1 : var_584_arg_2 [L1860] SORT_18 var_584 = var_584_arg_0 ? var_584_arg_1 : var_584_arg_2; [L1861] SORT_1 var_585_arg_0 = var_44; [L1862] SORT_18 var_585_arg_1 = var_32; [L1863] SORT_18 var_585_arg_2 = var_584; [L1864] EXPR var_585_arg_0 ? var_585_arg_1 : var_585_arg_2 [L1864] SORT_18 var_585 = var_585_arg_0 ? var_585_arg_1 : var_585_arg_2; [L1865] SORT_1 var_586_arg_0 = var_298; [L1866] SORT_18 var_586_arg_1 = var_281; [L1867] SORT_18 var_586_arg_2 = var_585; [L1868] EXPR var_586_arg_0 ? var_586_arg_1 : var_586_arg_2 [L1868] SORT_18 var_586 = var_586_arg_0 ? var_586_arg_1 : var_586_arg_2; [L1869] var_586 = var_586 & mask_SORT_18 [L1870] SORT_18 var_587_arg_0 = var_586; [L1871] SORT_18 var_587_arg_1 = var_300; [L1872] SORT_1 var_587 = var_587_arg_0 == var_587_arg_1; [L1873] SORT_1 var_591_arg_0 = var_587; [L1874] SORT_1 var_591_arg_1 = var_565; [L1875] SORT_6 var_591 = ((SORT_6)var_591_arg_0 << 1) | var_591_arg_1; [L1876] var_591 = var_591 & mask_SORT_6 [L1877] SORT_1 var_592_arg_0 = var_304; [L1878] SORT_6 var_592_arg_1 = var_591; [L1879] SORT_8 var_592 = ((SORT_8)var_592_arg_0 << 2) | var_592_arg_1; [L1880] var_592 = var_592 & mask_SORT_8 [L1881] SORT_8 var_593_arg_0 = var_592; [L1882] SORT_1 var_593 = var_593_arg_0 == mask_SORT_8; [L1883] SORT_1 var_594_arg_0 = var_572; [L1884] SORT_1 var_594_arg_1 = var_593; [L1885] SORT_6 var_594 = ((SORT_6)var_594_arg_0 << 1) | var_594_arg_1; [L1886] var_594 = var_594 & mask_SORT_6 [L1887] SORT_6 var_595_arg_0 = var_594; [L1888] SORT_1 var_595 = var_595_arg_0 != 0; [L1889] SORT_1 var_596_arg_0 = var_354; [L1890] SORT_1 var_596_arg_1 = var_595; [L1891] SORT_6 var_596 = ((SORT_6)var_596_arg_0 << 1) | var_596_arg_1; [L1892] var_596 = var_596 & mask_SORT_6 [L1893] SORT_6 var_597_arg_0 = var_596; [L1894] SORT_1 var_597 = var_597_arg_0 == mask_SORT_6; [L1895] SORT_1 var_588_arg_0 = var_587; [L1896] SORT_1 var_588_arg_1 = var_365; [L1897] SORT_6 var_588 = ((SORT_6)var_588_arg_0 << 1) | var_588_arg_1; [L1898] var_588 = var_588 & mask_SORT_6 [L1899] SORT_1 var_589_arg_0 = var_304; [L1900] SORT_6 var_589_arg_1 = var_588; [L1901] SORT_8 var_589 = ((SORT_8)var_589_arg_0 << 2) | var_589_arg_1; [L1902] var_589 = var_589 & mask_SORT_8 [L1903] SORT_8 var_590_arg_0 = var_589; [L1904] SORT_1 var_590 = var_590_arg_0 == mask_SORT_8; [L1905] SORT_1 var_598_arg_0 = var_590; [L1906] SORT_1 var_598_arg_1 = var_362; [L1907] SORT_6 var_598 = ((SORT_6)var_598_arg_0 << 1) | var_598_arg_1; [L1908] var_598 = var_598 & mask_SORT_6 [L1909] SORT_1 var_599_arg_0 = var_562; [L1910] SORT_6 var_599_arg_1 = var_598; [L1911] SORT_8 var_599 = ((SORT_8)var_599_arg_0 << 2) | var_599_arg_1; [L1912] var_599 = var_599 & mask_SORT_8 [L1913] SORT_1 var_600_arg_0 = var_597; [L1914] SORT_8 var_600_arg_1 = var_599; [L1915] SORT_106 var_600 = ((SORT_106)var_600_arg_0 << 3) | var_600_arg_1; [L1916] var_600 = var_600 & mask_SORT_106 [L1917] SORT_106 var_601_arg_0 = var_600; [L1918] SORT_1 var_601 = var_601_arg_0 != 0; [L1919] SORT_1 var_602_arg_0 = var_580; [L1920] SORT_1 var_602_arg_1 = var_601; [L1921] SORT_1 var_602 = var_602_arg_0 == var_602_arg_1; [L1922] SORT_1 var_603_arg_0 = var_31; [L1923] SORT_1 var_603_arg_1 = var_602; [L1924] SORT_1 var_603 = var_603_arg_0 | var_603_arg_1; [L1925] SORT_1 var_606_arg_0 = var_603; [L1926] SORT_1 var_606 = ~var_606_arg_0; [L1927] SORT_1 var_607_arg_0 = var_46; [L1928] SORT_1 var_607_arg_1 = var_606; [L1929] SORT_1 var_607 = var_607_arg_0 & var_607_arg_1; [L1930] var_607 = var_607 & mask_SORT_1 [L1931] SORT_1 bad_608_arg_0 = var_607; [L1932] CALL __VERIFIER_assert(!(bad_608_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 605.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 316.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:38:29,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d6f719a3af5a1b18d2d500e502b9d73f095f7cb7cfc42870f3d26bdbe5915f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:38:31,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:38:31,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:38:32,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:38:32,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:38:32,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:38:32,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:38:32,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:38:32,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:38:32,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:38:32,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:38:32,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:38:32,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:38:32,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:38:32,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:38:32,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:38:32,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:38:32,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:38:32,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:38:32,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:38:32,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:38:32,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:38:32,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:38:32,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:38:32,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:38:32,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:38:32,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:38:32,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:38:32,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:38:32,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:38:32,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:38:32,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:38:32,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:38:32,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:38:32,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:38:32,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:38:32,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:38:32,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:38:32,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:38:32,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:38:32,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:38:32,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:38:32,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:38:32,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:38:32,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:38:32,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:38:32,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:38:32,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:38:32,089 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:38:32,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:38:32,090 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:38:32,090 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:38:32,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:38:32,090 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:38:32,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:38:32,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:38:32,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:38:32,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:38:32,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:38:32,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:38:32,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:38:32,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:38:32,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:38:32,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:38:32,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:38:32,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:38:32,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:38:32,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:38:32,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:32,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:38:32,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:38:32,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:38:32,096 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:38:32,096 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:32,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:38:32,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:38:32,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:38:32,097 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6f719a3af5a1b18d2d500e502b9d73f095f7cb7cfc42870f3d26bdbe5915f0 [2022-11-03 03:38:32,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:38:32,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:38:32,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:38:32,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:38:32,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:38:32,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2022-11-03 03:38:32,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/f04067347/cf22b7e0498d4399a8cf64836a7b1377/FLAGcaa475796 [2022-11-03 03:38:33,360 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:38:33,361 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2022-11-03 03:38:33,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/f04067347/cf22b7e0498d4399a8cf64836a7b1377/FLAGcaa475796 [2022-11-03 03:38:33,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/data/f04067347/cf22b7e0498d4399a8cf64836a7b1377 [2022-11-03 03:38:33,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:38:33,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:38:33,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:33,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:38:33,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:38:33,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:33" (1/1) ... [2022-11-03 03:38:33,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b35098e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:33, skipping insertion in model container [2022-11-03 03:38:33,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:33" (1/1) ... [2022-11-03 03:38:33,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:38:33,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:38:33,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1107,1120] [2022-11-03 03:38:34,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:34,339 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:38:34,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1107,1120] [2022-11-03 03:38:34,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:34,612 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:38:34,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34 WrapperNode [2022-11-03 03:38:34,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:34,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:34,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:38:34,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:38:34,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,803 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2923 [2022-11-03 03:38:34,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:34,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:38:34,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:38:34,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:38:34,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:38:34,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:38:34,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:38:34,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:38:34,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:38:35,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:38:35,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:38:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:38:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:38:35,698 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:38:35,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:38:38,174 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:38:38,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:38:38,195 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:38:38,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:38:38 BoogieIcfgContainer [2022-11-03 03:38:38,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:38:38,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:38:38,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:38:38,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:38:38,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:38:33" (1/3) ... [2022-11-03 03:38:38,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6539e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:38:38, skipping insertion in model container [2022-11-03 03:38:38,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (2/3) ... [2022-11-03 03:38:38,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6539e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:38:38, skipping insertion in model container [2022-11-03 03:38:38,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:38:38" (3/3) ... [2022-11-03 03:38:38,212 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal7.c [2022-11-03 03:38:38,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:38:38,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:38:38,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:38:38,353 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;@1fcd0c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:38:38,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:38:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 285 states, 283 states have (on average 1.4982332155477032) internal successors, (424), 284 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:38,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:38,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:38,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:38,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:38,390 INFO L85 PathProgramCache]: Analyzing trace with hash -318684633, now seen corresponding path program 1 times [2022-11-03 03:38:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:38,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029743082] [2022-11-03 03:38:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:38,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:38,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:38,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:38,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:38:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:39,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:38:39,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:40,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:40,039 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:40,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029743082] [2022-11-03 03:38:40,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029743082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:40,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:40,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:40,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087808938] [2022-11-03 03:38:40,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:40,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:40,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:40,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:40,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:40,112 INFO L87 Difference]: Start difference. First operand has 285 states, 283 states have (on average 1.4982332155477032) internal successors, (424), 284 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:40,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:40,592 INFO L93 Difference]: Finished difference Result 1122 states and 1681 transitions. [2022-11-03 03:38:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:40,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:40,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:40,614 INFO L225 Difference]: With dead ends: 1122 [2022-11-03 03:38:40,614 INFO L226 Difference]: Without dead ends: 839 [2022-11-03 03:38:40,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:40,622 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 2890 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:40,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 1645 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:38:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2022-11-03 03:38:40,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 283. [2022-11-03 03:38:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 282 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 420 transitions. [2022-11-03 03:38:40,679 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 420 transitions. Word has length 191 [2022-11-03 03:38:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:40,680 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 420 transitions. [2022-11-03 03:38:40,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 420 transitions. [2022-11-03 03:38:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:40,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:40,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:40,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 03:38:40,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:40,907 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash -566652827, now seen corresponding path program 1 times [2022-11-03 03:38:40,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:40,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413650843] [2022-11-03 03:38:40,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:40,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:40,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:38:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:42,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:38:42,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:42,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:42,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:42,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413650843] [2022-11-03 03:38:42,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413650843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:42,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:42,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:42,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236824800] [2022-11-03 03:38:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:42,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:42,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:42,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:42,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:42,352 INFO L87 Difference]: Start difference. First operand 283 states and 420 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:42,803 INFO L93 Difference]: Finished difference Result 1124 states and 1670 transitions. [2022-11-03 03:38:42,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:42,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:42,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:42,808 INFO L225 Difference]: With dead ends: 1124 [2022-11-03 03:38:42,808 INFO L226 Difference]: Without dead ends: 843 [2022-11-03 03:38:42,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:42,811 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 2882 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:42,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2882 Valid, 1639 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-11-03 03:38:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 287. [2022-11-03 03:38:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.486013986013986) internal successors, (425), 286 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 425 transitions. [2022-11-03 03:38:42,832 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 425 transitions. Word has length 191 [2022-11-03 03:38:42,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:42,833 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 425 transitions. [2022-11-03 03:38:42,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 425 transitions. [2022-11-03 03:38:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:42,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:42,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:42,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:43,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1914786397, now seen corresponding path program 1 times [2022-11-03 03:38:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:43,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859797511] [2022-11-03 03:38:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:43,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:43,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:43,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:38:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:44,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:38:44,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:44,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:44,305 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:44,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859797511] [2022-11-03 03:38:44,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859797511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:44,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:44,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:44,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279816580] [2022-11-03 03:38:44,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:44,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:44,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:44,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:44,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:44,309 INFO L87 Difference]: Start difference. First operand 287 states and 425 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:44,673 INFO L93 Difference]: Finished difference Result 1130 states and 1676 transitions. [2022-11-03 03:38:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:44,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:44,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:44,677 INFO L225 Difference]: With dead ends: 1130 [2022-11-03 03:38:44,677 INFO L226 Difference]: Without dead ends: 845 [2022-11-03 03:38:44,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:44,679 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 2876 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2876 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:44,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2876 Valid, 1641 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:38:44,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-11-03 03:38:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 289. [2022-11-03 03:38:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4826388888888888) internal successors, (427), 288 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 427 transitions. [2022-11-03 03:38:44,708 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 427 transitions. Word has length 191 [2022-11-03 03:38:44,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:44,710 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 427 transitions. [2022-11-03 03:38:44,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 427 transitions. [2022-11-03 03:38:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:44,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:44,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:44,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:44,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:44,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:44,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1442446751, now seen corresponding path program 1 times [2022-11-03 03:38:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:44,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693971180] [2022-11-03 03:38:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:44,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:44,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:44,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 03:38:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:45,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:38:45,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:46,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:46,179 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:46,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693971180] [2022-11-03 03:38:46,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693971180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:46,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:46,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:46,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835066143] [2022-11-03 03:38:46,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:46,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:46,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:46,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:46,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:46,182 INFO L87 Difference]: Start difference. First operand 289 states and 427 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:47,079 INFO L93 Difference]: Finished difference Result 1145 states and 1694 transitions. [2022-11-03 03:38:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:38:47,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:47,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:47,083 INFO L225 Difference]: With dead ends: 1145 [2022-11-03 03:38:47,083 INFO L226 Difference]: Without dead ends: 858 [2022-11-03 03:38:47,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:38:47,085 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 3300 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3300 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:47,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3300 Valid, 2358 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:38:47,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2022-11-03 03:38:47,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 291. [2022-11-03 03:38:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4793103448275862) internal successors, (429), 290 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 429 transitions. [2022-11-03 03:38:47,101 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 429 transitions. Word has length 191 [2022-11-03 03:38:47,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:47,102 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 429 transitions. [2022-11-03 03:38:47,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 429 transitions. [2022-11-03 03:38:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:47,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:47,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:47,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:47,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,327 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:47,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:47,328 INFO L85 PathProgramCache]: Analyzing trace with hash 886533791, now seen corresponding path program 1 times [2022-11-03 03:38:47,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:47,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054772062] [2022-11-03 03:38:47,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:47,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:47,333 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:47,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:38:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:48,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 03:38:48,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:48,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:48,650 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:48,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054772062] [2022-11-03 03:38:48,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054772062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:48,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:48,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 03:38:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524007293] [2022-11-03 03:38:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:48,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 03:38:48,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:48,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 03:38:48,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:38:48,653 INFO L87 Difference]: Start difference. First operand 291 states and 429 transitions. Second operand has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:50,230 INFO L93 Difference]: Finished difference Result 1463 states and 2150 transitions. [2022-11-03 03:38:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-03 03:38:50,231 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:50,234 INFO L225 Difference]: With dead ends: 1463 [2022-11-03 03:38:50,234 INFO L226 Difference]: Without dead ends: 1174 [2022-11-03 03:38:50,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 03:38:50,237 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 7759 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7759 SdHoareTripleChecker+Valid, 3490 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:50,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7759 Valid, 3490 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 03:38:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2022-11-03 03:38:50,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 301. [2022-11-03 03:38:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.4666666666666666) internal successors, (440), 300 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 440 transitions. [2022-11-03 03:38:50,254 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 440 transitions. Word has length 191 [2022-11-03 03:38:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:50,254 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 440 transitions. [2022-11-03 03:38:50,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 440 transitions. [2022-11-03 03:38:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:50,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:50,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:50,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:50,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:50,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:50,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:50,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1717187425, now seen corresponding path program 1 times [2022-11-03 03:38:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:50,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27092890] [2022-11-03 03:38:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:50,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:50,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:50,485 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:50,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:38:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:51,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-03 03:38:51,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:51,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:51,965 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:51,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27092890] [2022-11-03 03:38:51,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27092890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:51,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:51,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:51,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185531789] [2022-11-03 03:38:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:51,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:51,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:51,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:51,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:51,968 INFO L87 Difference]: Start difference. First operand 301 states and 440 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:52,695 INFO L93 Difference]: Finished difference Result 1172 states and 1721 transitions. [2022-11-03 03:38:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:52,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:52,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:52,699 INFO L225 Difference]: With dead ends: 1172 [2022-11-03 03:38:52,699 INFO L226 Difference]: Without dead ends: 873 [2022-11-03 03:38:52,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:52,701 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 2860 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:52,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 1583 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:38:52,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-11-03 03:38:52,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 307. [2022-11-03 03:38:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.4640522875816993) internal successors, (448), 306 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 448 transitions. [2022-11-03 03:38:52,717 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 448 transitions. Word has length 191 [2022-11-03 03:38:52,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:52,717 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 448 transitions. [2022-11-03 03:38:52,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 448 transitions. [2022-11-03 03:38:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:52,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:52,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:52,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:52,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:52,942 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:52,943 INFO L85 PathProgramCache]: Analyzing trace with hash 348726815, now seen corresponding path program 1 times [2022-11-03 03:38:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:52,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799710294] [2022-11-03 03:38:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:52,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:52,946 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:52,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 03:38:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:53,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:38:53,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:54,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:54,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:54,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799710294] [2022-11-03 03:38:54,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799710294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:54,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:54,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:54,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199964221] [2022-11-03 03:38:54,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:54,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:54,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:54,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:54,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:54,041 INFO L87 Difference]: Start difference. First operand 307 states and 448 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:54,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:54,138 INFO L93 Difference]: Finished difference Result 1221 states and 1784 transitions. [2022-11-03 03:38:54,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:38:54,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:54,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:54,143 INFO L225 Difference]: With dead ends: 1221 [2022-11-03 03:38:54,143 INFO L226 Difference]: Without dead ends: 916 [2022-11-03 03:38:54,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:38:54,145 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 1196 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:54,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1646 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:38:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2022-11-03 03:38:54,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 353. [2022-11-03 03:38:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.4403409090909092) internal successors, (507), 352 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 507 transitions. [2022-11-03 03:38:54,161 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 507 transitions. Word has length 191 [2022-11-03 03:38:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:54,161 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 507 transitions. [2022-11-03 03:38:54,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 507 transitions. [2022-11-03 03:38:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:54,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:54,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:54,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:54,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:54,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1154371491, now seen corresponding path program 1 times [2022-11-03 03:38:54,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:54,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757709738] [2022-11-03 03:38:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:54,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:54,389 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:54,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 03:38:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:55,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:38:55,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:55,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:55,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:55,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757709738] [2022-11-03 03:38:55,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757709738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:55,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:55,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046197862] [2022-11-03 03:38:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:55,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:55,412 INFO L87 Difference]: Start difference. First operand 353 states and 507 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:55,511 INFO L93 Difference]: Finished difference Result 1221 states and 1783 transitions. [2022-11-03 03:38:55,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:38:55,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:55,516 INFO L225 Difference]: With dead ends: 1221 [2022-11-03 03:38:55,516 INFO L226 Difference]: Without dead ends: 916 [2022-11-03 03:38:55,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:38:55,518 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 1190 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:55,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 1645 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:38:55,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2022-11-03 03:38:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 355. [2022-11-03 03:38:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.4378531073446328) internal successors, (509), 354 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 509 transitions. [2022-11-03 03:38:55,533 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 509 transitions. Word has length 191 [2022-11-03 03:38:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:55,533 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 509 transitions. [2022-11-03 03:38:55,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 509 transitions. [2022-11-03 03:38:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:55,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:55,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:55,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:55,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:55,750 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:55,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:55,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1844202981, now seen corresponding path program 1 times [2022-11-03 03:38:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:55,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49622611] [2022-11-03 03:38:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:55,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:55,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:55,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 03:38:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:56,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:38:56,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:56,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:56,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:56,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49622611] [2022-11-03 03:38:56,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49622611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:56,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:56,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:56,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960429208] [2022-11-03 03:38:56,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:56,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:56,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:56,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:56,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:56,912 INFO L87 Difference]: Start difference. First operand 355 states and 509 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:57,207 INFO L93 Difference]: Finished difference Result 1278 states and 1857 transitions. [2022-11-03 03:38:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:57,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:57,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:57,210 INFO L225 Difference]: With dead ends: 1278 [2022-11-03 03:38:57,211 INFO L226 Difference]: Without dead ends: 973 [2022-11-03 03:38:57,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:57,212 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 2823 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:57,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 1799 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:38:57,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2022-11-03 03:38:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 361. [2022-11-03 03:38:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 360 states have (on average 1.4361111111111111) internal successors, (517), 360 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 517 transitions. [2022-11-03 03:38:57,230 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 517 transitions. Word has length 191 [2022-11-03 03:38:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:57,232 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 517 transitions. [2022-11-03 03:38:57,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 517 transitions. [2022-11-03 03:38:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:57,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:57,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:57,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:57,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:57,459 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:57,459 INFO L85 PathProgramCache]: Analyzing trace with hash -863248167, now seen corresponding path program 1 times [2022-11-03 03:38:57,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:57,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750116428] [2022-11-03 03:38:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:57,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:57,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:57,462 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:57,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 03:38:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:58,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:38:58,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:58,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:58,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:58,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750116428] [2022-11-03 03:38:58,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750116428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:58,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:58,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:38:58,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891875140] [2022-11-03 03:38:58,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:58,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:38:58,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:58,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:38:58,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:38:58,634 INFO L87 Difference]: Start difference. First operand 361 states and 517 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:58,945 INFO L93 Difference]: Finished difference Result 1286 states and 1866 transitions. [2022-11-03 03:38:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:58,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:38:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:58,949 INFO L225 Difference]: With dead ends: 1286 [2022-11-03 03:38:58,949 INFO L226 Difference]: Without dead ends: 975 [2022-11-03 03:38:58,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:38:58,951 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 2817 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:58,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 1802 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:38:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-11-03 03:38:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 363. [2022-11-03 03:38:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 362 states have (on average 1.4337016574585635) internal successors, (519), 362 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 519 transitions. [2022-11-03 03:38:58,967 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 519 transitions. Word has length 191 [2022-11-03 03:38:58,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:58,967 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 519 transitions. [2022-11-03 03:38:58,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 519 transitions. [2022-11-03 03:38:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:38:58,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:58,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:59,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:59,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:59,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:59,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1474517225, now seen corresponding path program 1 times [2022-11-03 03:38:59,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:59,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396500289] [2022-11-03 03:38:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:59,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:59,199 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 03:39:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:00,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:00,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:00,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:00,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:00,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396500289] [2022-11-03 03:39:00,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396500289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:00,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:00,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447712869] [2022-11-03 03:39:00,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:00,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:00,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:00,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:00,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:00,625 INFO L87 Difference]: Start difference. First operand 363 states and 519 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:01,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:01,261 INFO L93 Difference]: Finished difference Result 1290 states and 1869 transitions. [2022-11-03 03:39:01,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:01,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:01,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:01,270 INFO L225 Difference]: With dead ends: 1290 [2022-11-03 03:39:01,270 INFO L226 Difference]: Without dead ends: 977 [2022-11-03 03:39:01,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:01,271 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 2811 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:01,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 1717 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:01,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-11-03 03:39:01,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 365. [2022-11-03 03:39:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.4313186813186813) internal successors, (521), 364 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 521 transitions. [2022-11-03 03:39:01,291 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 521 transitions. Word has length 191 [2022-11-03 03:39:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:01,291 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 521 transitions. [2022-11-03 03:39:01,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 521 transitions. [2022-11-03 03:39:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:01,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:01,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:01,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:01,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:01,494 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:01,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:01,494 INFO L85 PathProgramCache]: Analyzing trace with hash 419816661, now seen corresponding path program 1 times [2022-11-03 03:39:01,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:01,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368956838] [2022-11-03 03:39:01,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:01,497 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 03:39:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:02,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:02,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:02,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:02,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368956838] [2022-11-03 03:39:02,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368956838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:02,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:02,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562702223] [2022-11-03 03:39:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:02,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:02,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:02,616 INFO L87 Difference]: Start difference. First operand 365 states and 521 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:02,919 INFO L93 Difference]: Finished difference Result 1296 states and 1875 transitions. [2022-11-03 03:39:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:02,923 INFO L225 Difference]: With dead ends: 1296 [2022-11-03 03:39:02,923 INFO L226 Difference]: Without dead ends: 981 [2022-11-03 03:39:02,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:02,925 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2803 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:02,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 1811 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:39:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-11-03 03:39:02,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 369. [2022-11-03 03:39:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 368 states have (on average 1.4293478260869565) internal successors, (526), 368 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 526 transitions. [2022-11-03 03:39:02,942 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 526 transitions. Word has length 191 [2022-11-03 03:39:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:02,943 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 526 transitions. [2022-11-03 03:39:02,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 526 transitions. [2022-11-03 03:39:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:02,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:02,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:02,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:03,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:03,159 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:03,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:03,160 INFO L85 PathProgramCache]: Analyzing trace with hash 155169171, now seen corresponding path program 1 times [2022-11-03 03:39:03,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:03,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595550723] [2022-11-03 03:39:03,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:03,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:03,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:03,165 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:03,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 03:39:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:04,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:04,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:04,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:04,229 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:04,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595550723] [2022-11-03 03:39:04,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595550723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:04,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:04,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164216869] [2022-11-03 03:39:04,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:04,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:04,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:04,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:04,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:04,231 INFO L87 Difference]: Start difference. First operand 369 states and 526 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:04,610 INFO L93 Difference]: Finished difference Result 1302 states and 1881 transitions. [2022-11-03 03:39:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:04,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:04,614 INFO L225 Difference]: With dead ends: 1302 [2022-11-03 03:39:04,614 INFO L226 Difference]: Without dead ends: 983 [2022-11-03 03:39:04,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:04,616 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 2797 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:04,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 1810 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:39:04,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-11-03 03:39:04,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 371. [2022-11-03 03:39:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.427027027027027) internal successors, (528), 370 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 528 transitions. [2022-11-03 03:39:04,632 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 528 transitions. Word has length 191 [2022-11-03 03:39:04,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:04,633 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 528 transitions. [2022-11-03 03:39:04,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 528 transitions. [2022-11-03 03:39:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:04,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:04,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:04,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:04,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:04,858 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:04,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:04,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1168009775, now seen corresponding path program 1 times [2022-11-03 03:39:04,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:04,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833071501] [2022-11-03 03:39:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:04,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:04,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:04,862 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 03:39:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:05,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:05,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:06,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:06,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:06,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833071501] [2022-11-03 03:39:06,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833071501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:06,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:06,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:06,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43657488] [2022-11-03 03:39:06,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:06,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:06,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:06,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:06,205 INFO L87 Difference]: Start difference. First operand 371 states and 528 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:06,816 INFO L93 Difference]: Finished difference Result 1306 states and 1884 transitions. [2022-11-03 03:39:06,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:06,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:06,820 INFO L225 Difference]: With dead ends: 1306 [2022-11-03 03:39:06,821 INFO L226 Difference]: Without dead ends: 985 [2022-11-03 03:39:06,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:06,822 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 2791 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:06,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 1729 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2022-11-03 03:39:06,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 373. [2022-11-03 03:39:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 1.424731182795699) internal successors, (530), 372 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 530 transitions. [2022-11-03 03:39:06,839 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 530 transitions. Word has length 191 [2022-11-03 03:39:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:06,840 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 530 transitions. [2022-11-03 03:39:06,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 530 transitions. [2022-11-03 03:39:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:06,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:06,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:06,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:07,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:07,050 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash -829722225, now seen corresponding path program 1 times [2022-11-03 03:39:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:07,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399687196] [2022-11-03 03:39:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:07,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:07,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:07,055 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:07,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 03:39:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:07,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:07,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:08,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:08,080 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:08,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399687196] [2022-11-03 03:39:08,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399687196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:08,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:08,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:08,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179388750] [2022-11-03 03:39:08,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:08,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:08,084 INFO L87 Difference]: Start difference. First operand 373 states and 530 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:08,430 INFO L93 Difference]: Finished difference Result 1312 states and 1890 transitions. [2022-11-03 03:39:08,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:08,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:08,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:08,434 INFO L225 Difference]: With dead ends: 1312 [2022-11-03 03:39:08,434 INFO L226 Difference]: Without dead ends: 989 [2022-11-03 03:39:08,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:08,436 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 2783 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:08,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 1819 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:39:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-11-03 03:39:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 377. [2022-11-03 03:39:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.422872340425532) internal successors, (535), 376 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 535 transitions. [2022-11-03 03:39:08,452 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 535 transitions. Word has length 191 [2022-11-03 03:39:08,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:08,453 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 535 transitions. [2022-11-03 03:39:08,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 535 transitions. [2022-11-03 03:39:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:08,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:08,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:08,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:08,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:08,675 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash -419111859, now seen corresponding path program 1 times [2022-11-03 03:39:08,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:08,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286531037] [2022-11-03 03:39:08,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:08,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:08,679 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:08,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 03:39:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:09,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:09,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:10,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:10,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:10,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286531037] [2022-11-03 03:39:10,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286531037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:10,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:10,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:10,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517061480] [2022-11-03 03:39:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:10,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:10,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:10,014 INFO L87 Difference]: Start difference. First operand 377 states and 535 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:10,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:10,684 INFO L93 Difference]: Finished difference Result 1318 states and 1896 transitions. [2022-11-03 03:39:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:10,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:10,690 INFO L225 Difference]: With dead ends: 1318 [2022-11-03 03:39:10,690 INFO L226 Difference]: Without dead ends: 991 [2022-11-03 03:39:10,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:10,692 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 2777 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:10,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 1734 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-11-03 03:39:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 379. [2022-11-03 03:39:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 378 states have (on average 1.4206349206349207) internal successors, (537), 378 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 537 transitions. [2022-11-03 03:39:10,709 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 537 transitions. Word has length 191 [2022-11-03 03:39:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 537 transitions. [2022-11-03 03:39:10,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 537 transitions. [2022-11-03 03:39:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:10,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:10,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:10,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:10,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:10,926 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:10,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:10,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1739972235, now seen corresponding path program 1 times [2022-11-03 03:39:10,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:10,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656838864] [2022-11-03 03:39:10,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:10,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:10,930 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 03:39:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:11,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:39:11,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:12,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:12,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:12,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656838864] [2022-11-03 03:39:12,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656838864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:12,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:12,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:12,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226241100] [2022-11-03 03:39:12,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:12,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:12,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:12,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:12,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:12,762 INFO L87 Difference]: Start difference. First operand 379 states and 537 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:13,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:13,431 INFO L93 Difference]: Finished difference Result 1322 states and 1899 transitions. [2022-11-03 03:39:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:13,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:13,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:13,435 INFO L225 Difference]: With dead ends: 1322 [2022-11-03 03:39:13,436 INFO L226 Difference]: Without dead ends: 993 [2022-11-03 03:39:13,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:13,438 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 2771 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:13,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 1753 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-03 03:39:13,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 381. [2022-11-03 03:39:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 1.418421052631579) internal successors, (539), 380 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 539 transitions. [2022-11-03 03:39:13,455 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 539 transitions. Word has length 191 [2022-11-03 03:39:13,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:13,455 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 539 transitions. [2022-11-03 03:39:13,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 539 transitions. [2022-11-03 03:39:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:13,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:13,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:13,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:13,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:13,670 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2137106359, now seen corresponding path program 1 times [2022-11-03 03:39:13,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:13,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087187247] [2022-11-03 03:39:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:13,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:13,675 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:13,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 03:39:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:14,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:14,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:14,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:14,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:14,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087187247] [2022-11-03 03:39:14,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087187247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:14,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:14,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:14,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077847472] [2022-11-03 03:39:14,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:14,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:14,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:14,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:14,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:14,829 INFO L87 Difference]: Start difference. First operand 381 states and 539 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:15,327 INFO L93 Difference]: Finished difference Result 1271 states and 1829 transitions. [2022-11-03 03:39:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:15,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:15,329 INFO L225 Difference]: With dead ends: 1271 [2022-11-03 03:39:15,330 INFO L226 Difference]: Without dead ends: 940 [2022-11-03 03:39:15,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:39:15,331 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 2609 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:15,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 1759 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:39:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-11-03 03:39:15,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 385. [2022-11-03 03:39:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.4166666666666667) internal successors, (544), 384 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 544 transitions. [2022-11-03 03:39:15,348 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 544 transitions. Word has length 191 [2022-11-03 03:39:15,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:15,349 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 544 transitions. [2022-11-03 03:39:15,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 544 transitions. [2022-11-03 03:39:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:15,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:15,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:15,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:15,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:15,575 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:15,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1848286969, now seen corresponding path program 1 times [2022-11-03 03:39:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:15,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750481444] [2022-11-03 03:39:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:15,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 03:39:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:16,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:16,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:16,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:16,748 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750481444] [2022-11-03 03:39:16,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750481444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:16,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:16,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:16,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401582203] [2022-11-03 03:39:16,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:16,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:16,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:16,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:16,752 INFO L87 Difference]: Start difference. First operand 385 states and 544 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:17,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:17,458 INFO L93 Difference]: Finished difference Result 1388 states and 1983 transitions. [2022-11-03 03:39:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:17,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:17,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:17,462 INFO L225 Difference]: With dead ends: 1388 [2022-11-03 03:39:17,462 INFO L226 Difference]: Without dead ends: 1053 [2022-11-03 03:39:17,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:17,464 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 3166 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:17,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 2561 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:17,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-11-03 03:39:17,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 387. [2022-11-03 03:39:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 386 states have (on average 1.4145077720207253) internal successors, (546), 386 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 546 transitions. [2022-11-03 03:39:17,490 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 546 transitions. Word has length 191 [2022-11-03 03:39:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:17,490 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 546 transitions. [2022-11-03 03:39:17,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 546 transitions. [2022-11-03 03:39:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:17,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:17,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:17,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:17,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:17,715 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1173126843, now seen corresponding path program 1 times [2022-11-03 03:39:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:17,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754767770] [2022-11-03 03:39:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:17,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:17,718 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:17,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 03:39:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:18,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:18,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:18,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:18,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:18,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754767770] [2022-11-03 03:39:18,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754767770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:18,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:18,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:18,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389090792] [2022-11-03 03:39:18,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:18,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:18,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:18,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:18,900 INFO L87 Difference]: Start difference. First operand 387 states and 546 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:19,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:19,612 INFO L93 Difference]: Finished difference Result 1394 states and 1989 transitions. [2022-11-03 03:39:19,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:19,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:19,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:19,615 INFO L225 Difference]: With dead ends: 1394 [2022-11-03 03:39:19,615 INFO L226 Difference]: Without dead ends: 1057 [2022-11-03 03:39:19,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:19,617 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 3157 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:19,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 2567 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:19,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-11-03 03:39:19,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 391. [2022-11-03 03:39:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.412820512820513) internal successors, (551), 390 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 551 transitions. [2022-11-03 03:39:19,637 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 551 transitions. Word has length 191 [2022-11-03 03:39:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:19,637 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 551 transitions. [2022-11-03 03:39:19,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 551 transitions. [2022-11-03 03:39:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:19,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:19,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:19,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:19,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:19,854 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:19,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1602785149, now seen corresponding path program 1 times [2022-11-03 03:39:19,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:19,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886775722] [2022-11-03 03:39:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:19,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:19,858 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:19,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 03:39:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:20,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:20,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:21,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:21,003 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:21,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886775722] [2022-11-03 03:39:21,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886775722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:21,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:21,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795265573] [2022-11-03 03:39:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:21,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:21,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:21,006 INFO L87 Difference]: Start difference. First operand 391 states and 551 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:21,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:21,700 INFO L93 Difference]: Finished difference Result 1400 states and 1995 transitions. [2022-11-03 03:39:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:21,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:21,706 INFO L225 Difference]: With dead ends: 1400 [2022-11-03 03:39:21,706 INFO L226 Difference]: Without dead ends: 1059 [2022-11-03 03:39:21,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:21,707 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 3150 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:21,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 2570 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2022-11-03 03:39:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 393. [2022-11-03 03:39:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.4107142857142858) internal successors, (553), 392 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 553 transitions. [2022-11-03 03:39:21,723 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 553 transitions. Word has length 191 [2022-11-03 03:39:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:21,723 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 553 transitions. [2022-11-03 03:39:21,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 553 transitions. [2022-11-03 03:39:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:21,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:21,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:21,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:21,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:21,949 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:21,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:21,949 INFO L85 PathProgramCache]: Analyzing trace with hash -655747263, now seen corresponding path program 1 times [2022-11-03 03:39:21,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:21,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913591189] [2022-11-03 03:39:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:21,952 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:21,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 03:39:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:22,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:22,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:23,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:23,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:23,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913591189] [2022-11-03 03:39:23,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913591189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:23,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:23,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:23,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137963508] [2022-11-03 03:39:23,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:23,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:23,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:23,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:23,369 INFO L87 Difference]: Start difference. First operand 393 states and 553 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:24,180 INFO L93 Difference]: Finished difference Result 1404 states and 1998 transitions. [2022-11-03 03:39:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:24,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:24,187 INFO L225 Difference]: With dead ends: 1404 [2022-11-03 03:39:24,187 INFO L226 Difference]: Without dead ends: 1061 [2022-11-03 03:39:24,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:24,188 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 3140 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:24,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 2497 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:24,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-11-03 03:39:24,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 395. [2022-11-03 03:39:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 394 states have (on average 1.4086294416243654) internal successors, (555), 394 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 555 transitions. [2022-11-03 03:39:24,205 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 555 transitions. Word has length 191 [2022-11-03 03:39:24,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:24,205 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 555 transitions. [2022-11-03 03:39:24,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 555 transitions. [2022-11-03 03:39:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:24,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:24,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:24,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:24,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:24,430 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:24,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:24,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1588811135, now seen corresponding path program 1 times [2022-11-03 03:39:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:24,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950878041] [2022-11-03 03:39:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:24,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:24,435 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 03:39:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:25,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:39:25,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:26,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:26,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:26,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950878041] [2022-11-03 03:39:26,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950878041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:26,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:26,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874038552] [2022-11-03 03:39:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:26,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:26,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:26,458 INFO L87 Difference]: Start difference. First operand 395 states and 555 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:27,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:27,402 INFO L93 Difference]: Finished difference Result 1408 states and 2001 transitions. [2022-11-03 03:39:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:27,406 INFO L225 Difference]: With dead ends: 1408 [2022-11-03 03:39:27,406 INFO L226 Difference]: Without dead ends: 1063 [2022-11-03 03:39:27,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:27,408 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 3133 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:27,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 2509 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:39:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-11-03 03:39:27,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 397. [2022-11-03 03:39:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.4065656565656566) internal successors, (557), 396 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 557 transitions. [2022-11-03 03:39:27,423 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 557 transitions. Word has length 191 [2022-11-03 03:39:27,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:27,424 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 557 transitions. [2022-11-03 03:39:27,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 557 transitions. [2022-11-03 03:39:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:27,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:27,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:27,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:27,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:27,646 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:27,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:27,647 INFO L85 PathProgramCache]: Analyzing trace with hash 496175933, now seen corresponding path program 1 times [2022-11-03 03:39:27,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:27,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453379622] [2022-11-03 03:39:27,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:27,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:27,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:27,649 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:27,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 03:39:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:28,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:28,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:28,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:28,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453379622] [2022-11-03 03:39:28,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453379622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:28,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:28,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:28,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216955036] [2022-11-03 03:39:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:28,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:28,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:28,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:28,770 INFO L87 Difference]: Start difference. First operand 397 states and 557 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:29,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:29,252 INFO L93 Difference]: Finished difference Result 1301 states and 1856 transitions. [2022-11-03 03:39:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:29,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:29,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:29,254 INFO L225 Difference]: With dead ends: 1301 [2022-11-03 03:39:29,255 INFO L226 Difference]: Without dead ends: 954 [2022-11-03 03:39:29,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:39:29,256 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 2571 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:29,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 1779 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:29,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-11-03 03:39:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 399. [2022-11-03 03:39:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.4045226130653266) internal successors, (559), 398 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 559 transitions. [2022-11-03 03:39:29,271 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 559 transitions. Word has length 191 [2022-11-03 03:39:29,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:29,271 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 559 transitions. [2022-11-03 03:39:29,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 559 transitions. [2022-11-03 03:39:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:29,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:29,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:29,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:29,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:29,496 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:29,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1346299781, now seen corresponding path program 1 times [2022-11-03 03:39:29,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:29,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746504173] [2022-11-03 03:39:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:29,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:29,499 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 03:39:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:30,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:30,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:30,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:30,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:30,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746504173] [2022-11-03 03:39:30,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746504173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:30,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:30,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:30,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53414437] [2022-11-03 03:39:30,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:30,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:30,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:30,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:30,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:30,625 INFO L87 Difference]: Start difference. First operand 399 states and 559 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:31,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:31,252 INFO L93 Difference]: Finished difference Result 1444 states and 2043 transitions. [2022-11-03 03:39:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:31,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:31,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:31,256 INFO L225 Difference]: With dead ends: 1444 [2022-11-03 03:39:31,256 INFO L226 Difference]: Without dead ends: 1095 [2022-11-03 03:39:31,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:31,258 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 3179 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3179 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:31,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3179 Valid, 2581 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:39:31,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2022-11-03 03:39:31,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 401. [2022-11-03 03:39:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.4025) internal successors, (561), 400 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 561 transitions. [2022-11-03 03:39:31,275 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 561 transitions. Word has length 191 [2022-11-03 03:39:31,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:31,275 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 561 transitions. [2022-11-03 03:39:31,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 561 transitions. [2022-11-03 03:39:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:31,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:31,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:31,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-11-03 03:39:31,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:31,499 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1678942919, now seen corresponding path program 1 times [2022-11-03 03:39:31,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:31,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990525961] [2022-11-03 03:39:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:31,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:31,501 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 03:39:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:32,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:32,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:32,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:32,987 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:32,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990525961] [2022-11-03 03:39:32,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990525961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:32,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:32,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796417542] [2022-11-03 03:39:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:32,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:32,990 INFO L87 Difference]: Start difference. First operand 401 states and 561 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:33,807 INFO L93 Difference]: Finished difference Result 1448 states and 2046 transitions. [2022-11-03 03:39:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:33,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:33,811 INFO L225 Difference]: With dead ends: 1448 [2022-11-03 03:39:33,811 INFO L226 Difference]: Without dead ends: 1097 [2022-11-03 03:39:33,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:33,812 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 3169 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:33,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3169 Valid, 2508 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:33,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-03 03:39:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 403. [2022-11-03 03:39:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.400497512437811) internal successors, (563), 402 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 563 transitions. [2022-11-03 03:39:33,828 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 563 transitions. Word has length 191 [2022-11-03 03:39:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:33,829 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 563 transitions. [2022-11-03 03:39:33,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 563 transitions. [2022-11-03 03:39:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:33,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:33,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:33,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2022-11-03 03:39:34,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:34,038 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash 322943351, now seen corresponding path program 1 times [2022-11-03 03:39:34,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087719452] [2022-11-03 03:39:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:34,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:34,042 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:34,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 03:39:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:34,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:34,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:35,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:35,158 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:35,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087719452] [2022-11-03 03:39:35,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087719452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:35,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:35,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:39:35,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553968506] [2022-11-03 03:39:35,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:35,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:39:35,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:35,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:39:35,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:39:35,160 INFO L87 Difference]: Start difference. First operand 403 states and 563 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:35,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:35,644 INFO L93 Difference]: Finished difference Result 1313 states and 1865 transitions. [2022-11-03 03:39:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:35,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:35,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:35,648 INFO L225 Difference]: With dead ends: 1313 [2022-11-03 03:39:35,648 INFO L226 Difference]: Without dead ends: 960 [2022-11-03 03:39:35,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:39:35,649 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2553 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:35,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 1787 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:39:35,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-11-03 03:39:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 405. [2022-11-03 03:39:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 404 states have (on average 1.3985148514851484) internal successors, (565), 404 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 565 transitions. [2022-11-03 03:39:35,665 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 565 transitions. Word has length 191 [2022-11-03 03:39:35,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:35,666 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 565 transitions. [2022-11-03 03:39:35,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 565 transitions. [2022-11-03 03:39:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:35,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:35,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:35,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:35,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:35,886 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:35,887 INFO L85 PathProgramCache]: Analyzing trace with hash 794299701, now seen corresponding path program 1 times [2022-11-03 03:39:35,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:35,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013499076] [2022-11-03 03:39:35,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:35,889 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:35,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 03:39:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:36,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:36,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:37,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:37,383 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:37,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013499076] [2022-11-03 03:39:37,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013499076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:37,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:37,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:37,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506429478] [2022-11-03 03:39:37,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:37,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:37,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:37,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:37,385 INFO L87 Difference]: Start difference. First operand 405 states and 565 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:38,262 INFO L93 Difference]: Finished difference Result 1470 states and 2070 transitions. [2022-11-03 03:39:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:38,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:38,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:38,265 INFO L225 Difference]: With dead ends: 1470 [2022-11-03 03:39:38,265 INFO L226 Difference]: Without dead ends: 1115 [2022-11-03 03:39:38,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:38,267 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 3177 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 2515 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:38,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3177 Valid, 2515 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:39:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-11-03 03:39:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 409. [2022-11-03 03:39:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.3970588235294117) internal successors, (570), 408 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 570 transitions. [2022-11-03 03:39:38,284 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 570 transitions. Word has length 191 [2022-11-03 03:39:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:38,285 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 570 transitions. [2022-11-03 03:39:38,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 570 transitions. [2022-11-03 03:39:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:38,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:38,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:38,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:38,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:38,510 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1178865677, now seen corresponding path program 1 times [2022-11-03 03:39:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:38,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57835686] [2022-11-03 03:39:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:38,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:38,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:38,514 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:38,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 03:39:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:39,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:39:39,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:40,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:40,867 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:40,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57835686] [2022-11-03 03:39:40,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57835686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:40,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:40,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:40,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800096255] [2022-11-03 03:39:40,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:40,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:40,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:40,870 INFO L87 Difference]: Start difference. First operand 409 states and 570 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:41,805 INFO L93 Difference]: Finished difference Result 1464 states and 2061 transitions. [2022-11-03 03:39:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:41,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:41,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:41,808 INFO L225 Difference]: With dead ends: 1464 [2022-11-03 03:39:41,808 INFO L226 Difference]: Without dead ends: 1105 [2022-11-03 03:39:41,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:41,809 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 3146 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:41,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3146 Valid, 2527 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:39:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-11-03 03:39:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 411. [2022-11-03 03:39:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.395121951219512) internal successors, (572), 410 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 572 transitions. [2022-11-03 03:39:41,827 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 572 transitions. Word has length 191 [2022-11-03 03:39:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:41,828 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 572 transitions. [2022-11-03 03:39:41,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 572 transitions. [2022-11-03 03:39:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:41,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:41,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:41,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-11-03 03:39:42,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:42,052 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:42,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1802147279, now seen corresponding path program 1 times [2022-11-03 03:39:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:42,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220053011] [2022-11-03 03:39:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:42,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:42,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:42,055 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:42,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 03:39:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:42,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-03 03:39:42,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:45,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:45,441 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:45,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220053011] [2022-11-03 03:39:45,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220053011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:45,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:45,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214326674] [2022-11-03 03:39:45,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:45,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:45,443 INFO L87 Difference]: Start difference. First operand 411 states and 572 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:46,578 INFO L93 Difference]: Finished difference Result 1440 states and 2028 transitions. [2022-11-03 03:39:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:46,581 INFO L225 Difference]: With dead ends: 1440 [2022-11-03 03:39:46,581 INFO L226 Difference]: Without dead ends: 1079 [2022-11-03 03:39:46,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:46,583 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 3082 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:46,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 2530 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:39:46,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2022-11-03 03:39:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 413. [2022-11-03 03:39:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.3932038834951457) internal successors, (574), 412 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 574 transitions. [2022-11-03 03:39:46,601 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 574 transitions. Word has length 191 [2022-11-03 03:39:46,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:46,602 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 574 transitions. [2022-11-03 03:39:46,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 574 transitions. [2022-11-03 03:39:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:46,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:46,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:46,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:46,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:46,825 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:46,825 INFO L85 PathProgramCache]: Analyzing trace with hash -412853265, now seen corresponding path program 1 times [2022-11-03 03:39:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:46,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181160334] [2022-11-03 03:39:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:46,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:46,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:46,827 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:46,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 03:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:47,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:47,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:48,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:48,455 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:48,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181160334] [2022-11-03 03:39:48,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181160334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:48,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:48,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:48,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725894100] [2022-11-03 03:39:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:48,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:48,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:48,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:48,458 INFO L87 Difference]: Start difference. First operand 413 states and 574 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:48,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:48,974 INFO L93 Difference]: Finished difference Result 2348 states and 3285 transitions. [2022-11-03 03:39:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:39:48,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:48,977 INFO L225 Difference]: With dead ends: 2348 [2022-11-03 03:39:48,978 INFO L226 Difference]: Without dead ends: 1985 [2022-11-03 03:39:48,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:39:48,979 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 2642 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 3246 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:48,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 3246 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 7 Unchecked, 0.4s Time] [2022-11-03 03:39:48,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2022-11-03 03:39:48,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 541. [2022-11-03 03:39:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 540 states have (on average 1.375925925925926) internal successors, (743), 540 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 743 transitions. [2022-11-03 03:39:49,000 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 743 transitions. Word has length 191 [2022-11-03 03:39:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:49,001 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 743 transitions. [2022-11-03 03:39:49,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 743 transitions. [2022-11-03 03:39:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:49,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:49,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:49,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2022-11-03 03:39:49,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:49,218 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1975710765, now seen corresponding path program 1 times [2022-11-03 03:39:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:49,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156902261] [2022-11-03 03:39:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:49,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:49,221 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:49,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 03:39:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:50,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:39:50,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:50,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:50,217 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:50,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156902261] [2022-11-03 03:39:50,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156902261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:50,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:50,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:39:50,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451792520] [2022-11-03 03:39:50,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:50,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:39:50,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:50,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:39:50,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:39:50,219 INFO L87 Difference]: Start difference. First operand 541 states and 743 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:50,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:50,305 INFO L93 Difference]: Finished difference Result 1455 states and 2044 transitions. [2022-11-03 03:39:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:39:50,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:50,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:50,308 INFO L225 Difference]: With dead ends: 1455 [2022-11-03 03:39:50,308 INFO L226 Difference]: Without dead ends: 1092 [2022-11-03 03:39:50,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:39:50,309 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1004 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:50,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 1644 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:39:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-11-03 03:39:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 547. [2022-11-03 03:39:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 546 states have (on average 1.3754578754578755) internal successors, (751), 546 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 751 transitions. [2022-11-03 03:39:50,328 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 751 transitions. Word has length 191 [2022-11-03 03:39:50,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:50,328 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 751 transitions. [2022-11-03 03:39:50,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 751 transitions. [2022-11-03 03:39:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:50,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:50,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:50,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:50,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:50,538 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:50,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:50,539 INFO L85 PathProgramCache]: Analyzing trace with hash 356735851, now seen corresponding path program 1 times [2022-11-03 03:39:50,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:50,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842862653] [2022-11-03 03:39:50,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:50,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:50,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:50,541 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:50,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-03 03:39:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:51,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:51,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:51,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:51,768 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842862653] [2022-11-03 03:39:51,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842862653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:51,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:51,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:51,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889618581] [2022-11-03 03:39:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:51,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:51,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:51,770 INFO L87 Difference]: Start difference. First operand 547 states and 751 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:52,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:52,500 INFO L93 Difference]: Finished difference Result 1700 states and 2376 transitions. [2022-11-03 03:39:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:52,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:52,502 INFO L225 Difference]: With dead ends: 1700 [2022-11-03 03:39:52,502 INFO L226 Difference]: Without dead ends: 1337 [2022-11-03 03:39:52,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:52,503 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 3259 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:52,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 2623 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:52,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-03 03:39:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 579. [2022-11-03 03:39:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 1.3771626297577855) internal successors, (796), 578 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 796 transitions. [2022-11-03 03:39:52,521 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 796 transitions. Word has length 191 [2022-11-03 03:39:52,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:52,522 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 796 transitions. [2022-11-03 03:39:52,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 796 transitions. [2022-11-03 03:39:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:52,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:52,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:52,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2022-11-03 03:39:52,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:52,734 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:52,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1522395095, now seen corresponding path program 1 times [2022-11-03 03:39:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:52,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311995480] [2022-11-03 03:39:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:52,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:52,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:52,737 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:52,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 03:39:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:53,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:53,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:53,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:53,960 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:53,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311995480] [2022-11-03 03:39:53,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311995480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:53,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:53,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864701489] [2022-11-03 03:39:53,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:53,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:53,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:53,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:53,962 INFO L87 Difference]: Start difference. First operand 579 states and 796 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:54,728 INFO L93 Difference]: Finished difference Result 1724 states and 2409 transitions. [2022-11-03 03:39:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:54,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:54,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:54,731 INFO L225 Difference]: With dead ends: 1724 [2022-11-03 03:39:54,732 INFO L226 Difference]: Without dead ends: 1341 [2022-11-03 03:39:54,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:54,734 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 3250 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:54,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 2629 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:39:54,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2022-11-03 03:39:54,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 583. [2022-11-03 03:39:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.3762886597938144) internal successors, (801), 582 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 801 transitions. [2022-11-03 03:39:54,765 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 801 transitions. Word has length 191 [2022-11-03 03:39:54,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:54,766 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 801 transitions. [2022-11-03 03:39:54,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 801 transitions. [2022-11-03 03:39:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:54,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:54,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:54,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:54,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:54,974 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:54,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1630069735, now seen corresponding path program 1 times [2022-11-03 03:39:54,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:54,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026548738] [2022-11-03 03:39:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:54,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:54,977 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:54,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 03:39:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:55,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:55,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:56,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:56,719 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:56,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026548738] [2022-11-03 03:39:56,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026548738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:56,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:56,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991809222] [2022-11-03 03:39:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:56,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:56,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:56,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:56,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:56,721 INFO L87 Difference]: Start difference. First operand 583 states and 801 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:57,671 INFO L93 Difference]: Finished difference Result 1732 states and 2418 transitions. [2022-11-03 03:39:57,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:57,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:57,673 INFO L225 Difference]: With dead ends: 1732 [2022-11-03 03:39:57,673 INFO L226 Difference]: Without dead ends: 1345 [2022-11-03 03:39:57,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:57,675 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 3238 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:57,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 2559 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:39:57,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2022-11-03 03:39:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 587. [2022-11-03 03:39:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 586 states have (on average 1.3754266211604096) internal successors, (806), 586 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 806 transitions. [2022-11-03 03:39:57,694 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 806 transitions. Word has length 191 [2022-11-03 03:39:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:57,694 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 806 transitions. [2022-11-03 03:39:57,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 806 transitions. [2022-11-03 03:39:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:57,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:57,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:57,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2022-11-03 03:39:57,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:57,910 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:57,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:57,911 INFO L85 PathProgramCache]: Analyzing trace with hash -447267163, now seen corresponding path program 1 times [2022-11-03 03:39:57,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:57,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083251820] [2022-11-03 03:39:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:57,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:57,913 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:57,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 03:39:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:58,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:39:58,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:59,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:59,157 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:59,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083251820] [2022-11-03 03:39:59,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083251820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:59,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:59,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:59,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712433916] [2022-11-03 03:39:59,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:59,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:59,160 INFO L87 Difference]: Start difference. First operand 587 states and 806 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:59,869 INFO L93 Difference]: Finished difference Result 1740 states and 2427 transitions. [2022-11-03 03:39:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:39:59,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:39:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:59,871 INFO L225 Difference]: With dead ends: 1740 [2022-11-03 03:39:59,872 INFO L226 Difference]: Without dead ends: 1349 [2022-11-03 03:39:59,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:59,873 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 3232 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 2641 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:59,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3232 Valid, 2641 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:39:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2022-11-03 03:39:59,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 591. [2022-11-03 03:39:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 590 states have (on average 1.3745762711864407) internal successors, (811), 590 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 811 transitions. [2022-11-03 03:39:59,891 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 811 transitions. Word has length 191 [2022-11-03 03:39:59,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:59,891 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 811 transitions. [2022-11-03 03:39:59,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 811 transitions. [2022-11-03 03:39:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:39:59,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:59,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:59,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-11-03 03:40:00,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:00,094 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:00,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash -370366365, now seen corresponding path program 1 times [2022-11-03 03:40:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:00,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163032901] [2022-11-03 03:40:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:00,097 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:00,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-03 03:40:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:00,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:00,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:01,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:01,404 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:01,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163032901] [2022-11-03 03:40:01,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163032901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:01,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:01,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:01,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964081019] [2022-11-03 03:40:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:01,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:01,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:01,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:01,406 INFO L87 Difference]: Start difference. First operand 591 states and 811 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:02,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:02,153 INFO L93 Difference]: Finished difference Result 1746 states and 2433 transitions. [2022-11-03 03:40:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:02,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:02,155 INFO L225 Difference]: With dead ends: 1746 [2022-11-03 03:40:02,156 INFO L226 Difference]: Without dead ends: 1351 [2022-11-03 03:40:02,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:02,157 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 3225 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:02,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 2644 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2022-11-03 03:40:02,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 593. [2022-11-03 03:40:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 592 states have (on average 1.3733108108108107) internal successors, (813), 592 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 813 transitions. [2022-11-03 03:40:02,173 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 813 transitions. Word has length 191 [2022-11-03 03:40:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:02,173 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 813 transitions. [2022-11-03 03:40:02,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 813 transitions. [2022-11-03 03:40:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:02,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:02,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:02,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:02,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:02,398 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:02,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:02,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1538091425, now seen corresponding path program 1 times [2022-11-03 03:40:02,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:02,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498393206] [2022-11-03 03:40:02,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:02,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:02,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:02,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 03:40:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:03,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:03,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:04,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:04,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:04,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:04,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498393206] [2022-11-03 03:40:04,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498393206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:04,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:04,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:04,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355784642] [2022-11-03 03:40:04,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:04,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:04,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:04,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:04,193 INFO L87 Difference]: Start difference. First operand 593 states and 813 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:05,128 INFO L93 Difference]: Finished difference Result 1750 states and 2436 transitions. [2022-11-03 03:40:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:05,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:05,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:05,130 INFO L225 Difference]: With dead ends: 1750 [2022-11-03 03:40:05,130 INFO L226 Difference]: Without dead ends: 1353 [2022-11-03 03:40:05,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:05,131 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 3215 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:05,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 2571 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:05,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2022-11-03 03:40:05,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 595. [2022-11-03 03:40:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.372053872053872) internal successors, (815), 594 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 815 transitions. [2022-11-03 03:40:05,150 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 815 transitions. Word has length 191 [2022-11-03 03:40:05,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:05,150 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 815 transitions. [2022-11-03 03:40:05,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:05,151 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 815 transitions. [2022-11-03 03:40:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:05,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:05,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:05,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:05,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:05,353 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:05,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:05,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1802935713, now seen corresponding path program 1 times [2022-11-03 03:40:05,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:05,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907582851] [2022-11-03 03:40:05,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:05,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:05,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:05,356 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:05,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-03 03:40:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:06,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:06,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:06,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:06,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:06,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907582851] [2022-11-03 03:40:06,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907582851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:06,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:06,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:06,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343505259] [2022-11-03 03:40:06,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:06,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:06,616 INFO L87 Difference]: Start difference. First operand 595 states and 815 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:07,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:07,314 INFO L93 Difference]: Finished difference Result 1754 states and 2439 transitions. [2022-11-03 03:40:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:07,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:07,317 INFO L225 Difference]: With dead ends: 1754 [2022-11-03 03:40:07,317 INFO L226 Difference]: Without dead ends: 1355 [2022-11-03 03:40:07,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:07,318 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 3211 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 2650 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:07,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 2650 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-11-03 03:40:07,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 597. [2022-11-03 03:40:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.3708053691275168) internal successors, (817), 596 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 817 transitions. [2022-11-03 03:40:07,338 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 817 transitions. Word has length 191 [2022-11-03 03:40:07,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:07,339 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 817 transitions. [2022-11-03 03:40:07,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 817 transitions. [2022-11-03 03:40:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:07,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:07,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:07,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:07,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:07,562 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:07,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:07,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1760064157, now seen corresponding path program 1 times [2022-11-03 03:40:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:07,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721622269] [2022-11-03 03:40:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:07,565 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-03 03:40:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:08,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:08,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:09,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:09,281 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:09,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721622269] [2022-11-03 03:40:09,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721622269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:09,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:09,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:09,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391485763] [2022-11-03 03:40:09,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:09,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:09,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:09,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:09,284 INFO L87 Difference]: Start difference. First operand 597 states and 817 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:10,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:10,213 INFO L93 Difference]: Finished difference Result 1760 states and 2445 transitions. [2022-11-03 03:40:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:10,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:10,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:10,215 INFO L225 Difference]: With dead ends: 1760 [2022-11-03 03:40:10,215 INFO L226 Difference]: Without dead ends: 1359 [2022-11-03 03:40:10,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:10,216 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 3199 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:10,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 2580 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:40:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2022-11-03 03:40:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 601. [2022-11-03 03:40:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.37) internal successors, (822), 600 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 822 transitions. [2022-11-03 03:40:10,232 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 822 transitions. Word has length 191 [2022-11-03 03:40:10,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:10,233 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 822 transitions. [2022-11-03 03:40:10,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 822 transitions. [2022-11-03 03:40:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:10,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:10,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:10,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:10,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:10,442 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:10,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:10,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1855630885, now seen corresponding path program 1 times [2022-11-03 03:40:10,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:10,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049983133] [2022-11-03 03:40:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:10,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:10,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:10,445 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:10,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 03:40:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:11,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:40:11,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:13,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:13,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:13,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049983133] [2022-11-03 03:40:13,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049983133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:13,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:13,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:13,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545260766] [2022-11-03 03:40:13,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:13,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:13,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:13,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:13,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:13,204 INFO L87 Difference]: Start difference. First operand 601 states and 822 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:14,183 INFO L93 Difference]: Finished difference Result 1766 states and 2451 transitions. [2022-11-03 03:40:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:14,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:14,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:14,186 INFO L225 Difference]: With dead ends: 1766 [2022-11-03 03:40:14,186 INFO L226 Difference]: Without dead ends: 1361 [2022-11-03 03:40:14,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:14,188 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 3192 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:14,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 2591 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:14,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2022-11-03 03:40:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 603. [2022-11-03 03:40:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 602 states have (on average 1.3687707641196014) internal successors, (824), 602 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 824 transitions. [2022-11-03 03:40:14,208 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 824 transitions. Word has length 191 [2022-11-03 03:40:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:14,209 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 824 transitions. [2022-11-03 03:40:14,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 824 transitions. [2022-11-03 03:40:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:14,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:14,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:14,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:14,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:14,426 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1653806951, now seen corresponding path program 1 times [2022-11-03 03:40:14,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:14,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531972155] [2022-11-03 03:40:14,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:14,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:14,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:14,429 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-03 03:40:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:15,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:15,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:15,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:15,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:15,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531972155] [2022-11-03 03:40:15,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531972155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:15,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:15,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:40:15,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996772042] [2022-11-03 03:40:15,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:15,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:40:15,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:15,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:40:15,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:40:15,810 INFO L87 Difference]: Start difference. First operand 603 states and 824 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:16,366 INFO L93 Difference]: Finished difference Result 1569 states and 2184 transitions. [2022-11-03 03:40:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:40:16,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:16,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:16,370 INFO L225 Difference]: With dead ends: 1569 [2022-11-03 03:40:16,370 INFO L226 Difference]: Without dead ends: 1162 [2022-11-03 03:40:16,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:40:16,372 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 2450 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:16,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 1865 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:40:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-11-03 03:40:16,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 607. [2022-11-03 03:40:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 1.367986798679868) internal successors, (829), 606 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 829 transitions. [2022-11-03 03:40:16,392 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 829 transitions. Word has length 191 [2022-11-03 03:40:16,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:16,393 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 829 transitions. [2022-11-03 03:40:16,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 829 transitions. [2022-11-03 03:40:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:16,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:16,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:16,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2022-11-03 03:40:16,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:16,619 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:16,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1613132201, now seen corresponding path program 1 times [2022-11-03 03:40:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:16,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152693844] [2022-11-03 03:40:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:16,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:16,622 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:16,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-03 03:40:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:17,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:17,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:18,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:18,007 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:18,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152693844] [2022-11-03 03:40:18,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152693844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:18,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:18,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:18,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561360399] [2022-11-03 03:40:18,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:18,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:18,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:18,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:18,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:18,010 INFO L87 Difference]: Start difference. First operand 607 states and 829 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:18,794 INFO L93 Difference]: Finished difference Result 1838 states and 2544 transitions. [2022-11-03 03:40:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:18,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:18,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:18,797 INFO L225 Difference]: With dead ends: 1838 [2022-11-03 03:40:18,797 INFO L226 Difference]: Without dead ends: 1427 [2022-11-03 03:40:18,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:18,799 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 3305 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:18,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 2667 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:18,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-11-03 03:40:18,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 609. [2022-11-03 03:40:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 608 states have (on average 1.3667763157894737) internal successors, (831), 608 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 831 transitions. [2022-11-03 03:40:18,813 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 831 transitions. Word has length 191 [2022-11-03 03:40:18,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:18,814 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 831 transitions. [2022-11-03 03:40:18,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 831 transitions. [2022-11-03 03:40:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:18,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:18,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:18,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:19,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:19,042 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:19,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash -737113195, now seen corresponding path program 1 times [2022-11-03 03:40:19,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:19,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990018780] [2022-11-03 03:40:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:19,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:19,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:19,045 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 03:40:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:19,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:19,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:21,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:21,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:21,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990018780] [2022-11-03 03:40:21,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990018780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:21,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:21,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:21,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539024074] [2022-11-03 03:40:21,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:21,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:21,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:21,093 INFO L87 Difference]: Start difference. First operand 609 states and 831 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:22,015 INFO L93 Difference]: Finished difference Result 1842 states and 2547 transitions. [2022-11-03 03:40:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:22,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:22,018 INFO L225 Difference]: With dead ends: 1842 [2022-11-03 03:40:22,018 INFO L226 Difference]: Without dead ends: 1429 [2022-11-03 03:40:22,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:22,020 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 3295 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:22,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3295 Valid, 2594 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2022-11-03 03:40:22,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 611. [2022-11-03 03:40:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 610 states have (on average 1.3655737704918032) internal successors, (833), 610 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 833 transitions. [2022-11-03 03:40:22,040 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 833 transitions. Word has length 191 [2022-11-03 03:40:22,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:22,041 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 833 transitions. [2022-11-03 03:40:22,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 833 transitions. [2022-11-03 03:40:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:22,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:22,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:22,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Ended with exit code 0 [2022-11-03 03:40:22,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:22,259 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:22,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:22,259 INFO L85 PathProgramCache]: Analyzing trace with hash 801226835, now seen corresponding path program 1 times [2022-11-03 03:40:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:22,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584030759] [2022-11-03 03:40:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:22,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:22,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:22,262 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:22,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-03 03:40:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:23,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:23,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:23,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:23,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:23,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584030759] [2022-11-03 03:40:23,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584030759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:23,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:23,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030666517] [2022-11-03 03:40:23,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:23,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:23,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:23,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:23,632 INFO L87 Difference]: Start difference. First operand 611 states and 833 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:24,396 INFO L93 Difference]: Finished difference Result 1846 states and 2550 transitions. [2022-11-03 03:40:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:24,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:24,398 INFO L225 Difference]: With dead ends: 1846 [2022-11-03 03:40:24,399 INFO L226 Difference]: Without dead ends: 1431 [2022-11-03 03:40:24,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:24,400 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 3291 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:24,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 2673 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-11-03 03:40:24,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 613. [2022-11-03 03:40:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.3643790849673203) internal successors, (835), 612 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 835 transitions. [2022-11-03 03:40:24,417 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 835 transitions. Word has length 191 [2022-11-03 03:40:24,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:24,417 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 835 transitions. [2022-11-03 03:40:24,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 835 transitions. [2022-11-03 03:40:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:24,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:24,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:24,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2022-11-03 03:40:24,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:24,620 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:24,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:24,620 INFO L85 PathProgramCache]: Analyzing trace with hash 320146577, now seen corresponding path program 1 times [2022-11-03 03:40:24,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:24,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324039384] [2022-11-03 03:40:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:24,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:24,622 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:24,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 03:40:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:25,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:25,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:25,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:25,989 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:25,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324039384] [2022-11-03 03:40:25,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324039384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:25,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:25,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:25,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488662826] [2022-11-03 03:40:25,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:25,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:25,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:25,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:25,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:25,992 INFO L87 Difference]: Start difference. First operand 613 states and 835 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:26,744 INFO L93 Difference]: Finished difference Result 1850 states and 2553 transitions. [2022-11-03 03:40:26,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:26,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:26,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:26,745 INFO L225 Difference]: With dead ends: 1850 [2022-11-03 03:40:26,745 INFO L226 Difference]: Without dead ends: 1433 [2022-11-03 03:40:26,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:26,747 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 3284 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3284 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:26,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3284 Valid, 2676 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:26,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2022-11-03 03:40:26,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 615. [2022-11-03 03:40:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 614 states have (on average 1.3631921824104234) internal successors, (837), 614 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 837 transitions. [2022-11-03 03:40:26,764 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 837 transitions. Word has length 191 [2022-11-03 03:40:26,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:26,764 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 837 transitions. [2022-11-03 03:40:26,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 837 transitions. [2022-11-03 03:40:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:26,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:26,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:26,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-11-03 03:40:26,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:26,991 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:26,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash -2035658673, now seen corresponding path program 1 times [2022-11-03 03:40:26,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:26,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013011302] [2022-11-03 03:40:26,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:26,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:26,994 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:26,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-03 03:40:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:27,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:40:27,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:30,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:30,478 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:30,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013011302] [2022-11-03 03:40:30,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013011302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:30,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:30,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:30,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686049329] [2022-11-03 03:40:30,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:30,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:30,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:30,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:30,480 INFO L87 Difference]: Start difference. First operand 615 states and 837 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:31,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:31,528 INFO L93 Difference]: Finished difference Result 1856 states and 2559 transitions. [2022-11-03 03:40:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:31,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:31,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:31,530 INFO L225 Difference]: With dead ends: 1856 [2022-11-03 03:40:31,530 INFO L226 Difference]: Without dead ends: 1437 [2022-11-03 03:40:31,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:31,531 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 3272 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:31,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 2614 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:40:31,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2022-11-03 03:40:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 619. [2022-11-03 03:40:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 618 states have (on average 1.3624595469255663) internal successors, (842), 618 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 842 transitions. [2022-11-03 03:40:31,547 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 842 transitions. Word has length 191 [2022-11-03 03:40:31,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:31,547 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 842 transitions. [2022-11-03 03:40:31,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 842 transitions. [2022-11-03 03:40:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:31,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:31,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:31,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:31,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:31,762 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 209920781, now seen corresponding path program 1 times [2022-11-03 03:40:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:31,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101948721] [2022-11-03 03:40:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:31,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:31,766 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:31,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 03:40:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:32,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:32,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:33,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:33,141 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:33,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101948721] [2022-11-03 03:40:33,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101948721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:33,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:33,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:40:33,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519431241] [2022-11-03 03:40:33,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:33,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:40:33,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:33,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:40:33,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:40:33,142 INFO L87 Difference]: Start difference. First operand 619 states and 842 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:33,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:33,682 INFO L93 Difference]: Finished difference Result 1599 states and 2211 transitions. [2022-11-03 03:40:33,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:40:33,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:33,684 INFO L225 Difference]: With dead ends: 1599 [2022-11-03 03:40:33,684 INFO L226 Difference]: Without dead ends: 1176 [2022-11-03 03:40:33,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:40:33,685 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 2412 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:33,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 1885 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:40:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2022-11-03 03:40:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 621. [2022-11-03 03:40:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 620 states have (on average 1.3612903225806452) internal successors, (844), 620 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 844 transitions. [2022-11-03 03:40:33,705 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 844 transitions. Word has length 191 [2022-11-03 03:40:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:33,705 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 844 transitions. [2022-11-03 03:40:33,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 844 transitions. [2022-11-03 03:40:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:33,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:33,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:33,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:33,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:33,907 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:33,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:33,907 INFO L85 PathProgramCache]: Analyzing trace with hash 458067275, now seen corresponding path program 1 times [2022-11-03 03:40:33,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:33,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955282203] [2022-11-03 03:40:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:33,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:33,910 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:33,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-11-03 03:40:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:34,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:34,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:35,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:35,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:35,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955282203] [2022-11-03 03:40:35,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955282203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:35,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:35,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:35,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269421039] [2022-11-03 03:40:35,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:35,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:35,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:35,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:35,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:35,295 INFO L87 Difference]: Start difference. First operand 621 states and 844 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:36,055 INFO L93 Difference]: Finished difference Result 1894 states and 2604 transitions. [2022-11-03 03:40:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:36,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:36,057 INFO L225 Difference]: With dead ends: 1894 [2022-11-03 03:40:36,057 INFO L226 Difference]: Without dead ends: 1469 [2022-11-03 03:40:36,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:36,058 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 3318 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:36,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 2687 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:40:36,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-11-03 03:40:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 623. [2022-11-03 03:40:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 622 states have (on average 1.360128617363344) internal successors, (846), 622 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 846 transitions. [2022-11-03 03:40:36,075 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 846 transitions. Word has length 191 [2022-11-03 03:40:36,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:36,075 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 846 transitions. [2022-11-03 03:40:36,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 846 transitions. [2022-11-03 03:40:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:36,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:36,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:36,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-11-03 03:40:36,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:36,282 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:36,283 INFO L85 PathProgramCache]: Analyzing trace with hash -913740023, now seen corresponding path program 1 times [2022-11-03 03:40:36,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:36,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537396550] [2022-11-03 03:40:36,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:36,286 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:36,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-11-03 03:40:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:37,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:37,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:38,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:38,395 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:38,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537396550] [2022-11-03 03:40:38,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537396550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:38,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:38,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:38,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806689745] [2022-11-03 03:40:38,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:38,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:38,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:38,398 INFO L87 Difference]: Start difference. First operand 623 states and 846 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:39,296 INFO L93 Difference]: Finished difference Result 1898 states and 2607 transitions. [2022-11-03 03:40:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:39,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:39,298 INFO L225 Difference]: With dead ends: 1898 [2022-11-03 03:40:39,298 INFO L226 Difference]: Without dead ends: 1471 [2022-11-03 03:40:39,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:39,299 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 3308 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:39,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 2614 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-11-03 03:40:39,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 625. [2022-11-03 03:40:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 624 states have (on average 1.358974358974359) internal successors, (848), 624 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 848 transitions. [2022-11-03 03:40:39,312 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 848 transitions. Word has length 191 [2022-11-03 03:40:39,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:39,312 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 848 transitions. [2022-11-03 03:40:39,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 848 transitions. [2022-11-03 03:40:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:39,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:39,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:39,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:39,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:39,522 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:39,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:39,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1943099321, now seen corresponding path program 1 times [2022-11-03 03:40:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:39,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537474823] [2022-11-03 03:40:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:39,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:39,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:39,525 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:39,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2022-11-03 03:40:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:40,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:40,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:40,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:40,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:40,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537474823] [2022-11-03 03:40:40,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537474823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:40,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:40,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:40:40,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108856655] [2022-11-03 03:40:40,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:40,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:40:40,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:40,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:40:40,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:40:40,905 INFO L87 Difference]: Start difference. First operand 625 states and 848 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:41,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:41,463 INFO L93 Difference]: Finished difference Result 1611 states and 2220 transitions. [2022-11-03 03:40:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:40:41,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:41,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:41,465 INFO L225 Difference]: With dead ends: 1611 [2022-11-03 03:40:41,465 INFO L226 Difference]: Without dead ends: 1182 [2022-11-03 03:40:41,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:40:41,466 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 2394 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:41,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 1893 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:40:41,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-11-03 03:40:41,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 627. [2022-11-03 03:40:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 1.3578274760383386) internal successors, (850), 626 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 850 transitions. [2022-11-03 03:40:41,480 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 850 transitions. Word has length 191 [2022-11-03 03:40:41,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:41,480 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 850 transitions. [2022-11-03 03:40:41,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 850 transitions. [2022-11-03 03:40:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:41,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:41,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:41,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:41,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:41,706 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:41,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:41,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1957501189, now seen corresponding path program 1 times [2022-11-03 03:40:41,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:41,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284154333] [2022-11-03 03:40:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:41,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:41,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:41,710 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:41,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2022-11-03 03:40:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:42,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:42,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:43,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:43,173 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:43,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284154333] [2022-11-03 03:40:43,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284154333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:43,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:43,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:40:43,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932329839] [2022-11-03 03:40:43,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:43,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:40:43,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:43,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:40:43,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:40:43,175 INFO L87 Difference]: Start difference. First operand 627 states and 850 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:43,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:43,694 INFO L93 Difference]: Finished difference Result 1615 states and 2223 transitions. [2022-11-03 03:40:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:40:43,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:43,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:43,696 INFO L225 Difference]: With dead ends: 1615 [2022-11-03 03:40:43,696 INFO L226 Difference]: Without dead ends: 1184 [2022-11-03 03:40:43,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:40:43,698 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 2388 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:43,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 1895 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:40:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2022-11-03 03:40:43,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 629. [2022-11-03 03:40:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.356687898089172) internal successors, (852), 628 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 852 transitions. [2022-11-03 03:40:43,718 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 852 transitions. Word has length 191 [2022-11-03 03:40:43,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:43,719 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 852 transitions. [2022-11-03 03:40:43,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 852 transitions. [2022-11-03 03:40:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:43,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:43,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:43,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Ended with exit code 0 [2022-11-03 03:40:43,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:43,926 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:43,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:43,927 INFO L85 PathProgramCache]: Analyzing trace with hash -286482109, now seen corresponding path program 1 times [2022-11-03 03:40:43,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:43,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731238662] [2022-11-03 03:40:43,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:43,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:43,929 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:43,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2022-11-03 03:40:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:44,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:40:44,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:47,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:47,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:47,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731238662] [2022-11-03 03:40:47,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731238662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:47,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:47,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:47,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365875919] [2022-11-03 03:40:47,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:47,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:47,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:47,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:47,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:47,632 INFO L87 Difference]: Start difference. First operand 629 states and 852 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:48,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:48,633 INFO L93 Difference]: Finished difference Result 1912 states and 2619 transitions. [2022-11-03 03:40:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:48,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:48,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:48,635 INFO L225 Difference]: With dead ends: 1912 [2022-11-03 03:40:48,636 INFO L226 Difference]: Without dead ends: 1479 [2022-11-03 03:40:48,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:48,637 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 3285 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 2632 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:48,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 2632 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:48,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-11-03 03:40:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 633. [2022-11-03 03:40:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 632 states have (on average 1.356012658227848) internal successors, (857), 632 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 857 transitions. [2022-11-03 03:40:48,651 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 857 transitions. Word has length 191 [2022-11-03 03:40:48,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:48,651 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 857 transitions. [2022-11-03 03:40:48,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 857 transitions. [2022-11-03 03:40:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:48,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:48,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:48,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Ended with exit code 0 [2022-11-03 03:40:48,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:48,870 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:48,871 INFO L85 PathProgramCache]: Analyzing trace with hash -263849855, now seen corresponding path program 1 times [2022-11-03 03:40:48,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:48,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956222621] [2022-11-03 03:40:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:48,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:48,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:48,873 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:48,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2022-11-03 03:40:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:49,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-03 03:40:49,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:55,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:55,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:55,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956222621] [2022-11-03 03:40:55,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956222621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:55,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:55,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:55,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483801509] [2022-11-03 03:40:55,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:55,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:55,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:55,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:55,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:55,639 INFO L87 Difference]: Start difference. First operand 633 states and 857 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:56,776 INFO L93 Difference]: Finished difference Result 1890 states and 2589 transitions. [2022-11-03 03:40:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:40:56,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:56,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:56,778 INFO L225 Difference]: With dead ends: 1890 [2022-11-03 03:40:56,778 INFO L226 Difference]: Without dead ends: 1453 [2022-11-03 03:40:56,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:40:56,780 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 3221 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:56,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 2635 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:40:56,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-11-03 03:40:56,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 635. [2022-11-03 03:40:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 634 states have (on average 1.3548895899053628) internal successors, (859), 634 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 859 transitions. [2022-11-03 03:40:56,801 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 859 transitions. Word has length 191 [2022-11-03 03:40:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:56,801 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 859 transitions. [2022-11-03 03:40:56,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 859 transitions. [2022-11-03 03:40:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:56,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:56,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:56,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:57,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:57,018 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash -773322945, now seen corresponding path program 1 times [2022-11-03 03:40:57,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:57,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773835017] [2022-11-03 03:40:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:57,022 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:57,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2022-11-03 03:40:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:57,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:40:57,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:58,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:40:58,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:58,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773835017] [2022-11-03 03:40:58,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773835017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:58,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:58,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:40:58,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313306698] [2022-11-03 03:40:58,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:58,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:40:58,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:58,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:40:58,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:40:58,469 INFO L87 Difference]: Start difference. First operand 635 states and 859 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:59,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:59,019 INFO L93 Difference]: Finished difference Result 2946 states and 3997 transitions. [2022-11-03 03:40:59,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:40:59,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:40:59,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:59,021 INFO L225 Difference]: With dead ends: 2946 [2022-11-03 03:40:59,022 INFO L226 Difference]: Without dead ends: 2507 [2022-11-03 03:40:59,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:40:59,023 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 3856 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:59,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3856 Valid, 2681 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:40:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-11-03 03:40:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1069. [2022-11-03 03:40:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 1068 states have (on average 1.345505617977528) internal successors, (1437), 1068 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1437 transitions. [2022-11-03 03:40:59,049 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1437 transitions. Word has length 191 [2022-11-03 03:40:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:59,050 INFO L495 AbstractCegarLoop]: Abstraction has 1069 states and 1437 transitions. [2022-11-03 03:40:59,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:40:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1437 transitions. [2022-11-03 03:40:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:40:59,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:59,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:59,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Ended with exit code 0 [2022-11-03 03:40:59,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:59,251 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:59,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:59,252 INFO L85 PathProgramCache]: Analyzing trace with hash -554468227, now seen corresponding path program 1 times [2022-11-03 03:40:59,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:59,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361998245] [2022-11-03 03:40:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:59,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:59,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:59,254 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:59,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2022-11-03 03:41:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:00,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:41:00,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:00,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:00,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:00,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361998245] [2022-11-03 03:41:00,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361998245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:00,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:00,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:41:00,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293377830] [2022-11-03 03:41:00,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:00,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:41:00,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:00,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:41:00,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:41:00,677 INFO L87 Difference]: Start difference. First operand 1069 states and 1437 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:01,021 INFO L93 Difference]: Finished difference Result 2629 states and 3572 transitions. [2022-11-03 03:41:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:41:01,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:41:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:01,023 INFO L225 Difference]: With dead ends: 2629 [2022-11-03 03:41:01,024 INFO L226 Difference]: Without dead ends: 1906 [2022-11-03 03:41:01,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:41:01,025 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 2713 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:01,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 1876 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:41:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-11-03 03:41:01,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1073. [2022-11-03 03:41:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 1072 states have (on average 1.3451492537313432) internal successors, (1442), 1072 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1442 transitions. [2022-11-03 03:41:01,043 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1442 transitions. Word has length 191 [2022-11-03 03:41:01,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:01,043 INFO L495 AbstractCegarLoop]: Abstraction has 1073 states and 1442 transitions. [2022-11-03 03:41:01,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1442 transitions. [2022-11-03 03:41:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:41:01,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:01,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:01,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Ended with exit code 0 [2022-11-03 03:41:01,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:01,245 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:01,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1746354363, now seen corresponding path program 1 times [2022-11-03 03:41:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:01,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876264122] [2022-11-03 03:41:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:01,248 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:01,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2022-11-03 03:41:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:02,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:41:02,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:02,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:02,716 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:02,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876264122] [2022-11-03 03:41:02,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876264122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:02,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:02,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:41:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597854889] [2022-11-03 03:41:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:02,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:41:02,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:02,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:41:02,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:41:02,717 INFO L87 Difference]: Start difference. First operand 1073 states and 1442 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:03,058 INFO L93 Difference]: Finished difference Result 2635 states and 3578 transitions. [2022-11-03 03:41:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:41:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:41:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:03,061 INFO L225 Difference]: With dead ends: 2635 [2022-11-03 03:41:03,061 INFO L226 Difference]: Without dead ends: 1908 [2022-11-03 03:41:03,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:41:03,063 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 2707 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:03,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2707 Valid, 1878 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:41:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-03 03:41:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1075. [2022-11-03 03:41:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 1074 states have (on average 1.3445065176908753) internal successors, (1444), 1074 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1444 transitions. [2022-11-03 03:41:03,086 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1444 transitions. Word has length 191 [2022-11-03 03:41:03,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:03,086 INFO L495 AbstractCegarLoop]: Abstraction has 1075 states and 1444 transitions. [2022-11-03 03:41:03,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1444 transitions. [2022-11-03 03:41:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:41:03,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:03,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:03,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Ended with exit code 0 [2022-11-03 03:41:03,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:03,288 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:03,289 INFO L85 PathProgramCache]: Analyzing trace with hash 725286009, now seen corresponding path program 1 times [2022-11-03 03:41:03,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:03,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767393622] [2022-11-03 03:41:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:03,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:03,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:03,292 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:03,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2022-11-03 03:41:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:04,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:41:04,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:04,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:04,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:04,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767393622] [2022-11-03 03:41:04,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767393622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:04,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:04,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:41:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367082226] [2022-11-03 03:41:04,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:04,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:41:04,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:04,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:41:04,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:04,353 INFO L87 Difference]: Start difference. First operand 1075 states and 1444 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:04,441 INFO L93 Difference]: Finished difference Result 2925 states and 3964 transitions. [2022-11-03 03:41:04,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:41:04,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:41:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:04,444 INFO L225 Difference]: With dead ends: 2925 [2022-11-03 03:41:04,444 INFO L226 Difference]: Without dead ends: 2196 [2022-11-03 03:41:04,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:04,446 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 793 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:04,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1643 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:41:04,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2022-11-03 03:41:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1369. [2022-11-03 03:41:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1368 states have (on average 1.3428362573099415) internal successors, (1837), 1368 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1837 transitions. [2022-11-03 03:41:04,464 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1837 transitions. Word has length 191 [2022-11-03 03:41:04,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:04,464 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 1837 transitions. [2022-11-03 03:41:04,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1837 transitions. [2022-11-03 03:41:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 03:41:04,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:04,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:04,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Ended with exit code 0 [2022-11-03 03:41:04,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:04,666 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:04,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:04,667 INFO L85 PathProgramCache]: Analyzing trace with hash 332258999, now seen corresponding path program 1 times [2022-11-03 03:41:04,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:04,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637194080] [2022-11-03 03:41:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:04,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:04,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:04,670 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2022-11-03 03:41:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:05,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-03 03:41:05,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:06,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:06,248 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:06,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637194080] [2022-11-03 03:41:06,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637194080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:06,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:06,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:41:06,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69728379] [2022-11-03 03:41:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:06,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:41:06,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:06,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:41:06,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:06,250 INFO L87 Difference]: Start difference. First operand 1369 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:06,837 INFO L93 Difference]: Finished difference Result 2105 states and 2838 transitions. [2022-11-03 03:41:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:41:06,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-03 03:41:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:06,839 INFO L225 Difference]: With dead ends: 2105 [2022-11-03 03:41:06,839 INFO L226 Difference]: Without dead ends: 2103 [2022-11-03 03:41:06,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:41:06,840 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1045 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:06,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1866 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:41:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2022-11-03 03:41:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 1377. [2022-11-03 03:41:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1376 states have (on average 1.3430232558139534) internal successors, (1848), 1376 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1848 transitions. [2022-11-03 03:41:06,858 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1848 transitions. Word has length 191 [2022-11-03 03:41:06,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:06,858 INFO L495 AbstractCegarLoop]: Abstraction has 1377 states and 1848 transitions. [2022-11-03 03:41:06,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1848 transitions. [2022-11-03 03:41:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-03 03:41:06,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:06,862 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:06,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:07,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:07,078 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:07,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1732682743, now seen corresponding path program 1 times [2022-11-03 03:41:07,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:07,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943506504] [2022-11-03 03:41:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:07,083 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:07,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2022-11-03 03:41:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:08,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 4034 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:41:08,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:08,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:08,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:08,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943506504] [2022-11-03 03:41:08,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943506504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:08,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:08,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:41:08,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652026988] [2022-11-03 03:41:08,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:08,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:41:08,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:08,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:41:08,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:08,820 INFO L87 Difference]: Start difference. First operand 1377 states and 1848 transitions. Second operand has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:08,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:08,916 INFO L93 Difference]: Finished difference Result 2923 states and 3961 transitions. [2022-11-03 03:41:08,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:41:08,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 468 [2022-11-03 03:41:08,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:08,918 INFO L225 Difference]: With dead ends: 2923 [2022-11-03 03:41:08,918 INFO L226 Difference]: Without dead ends: 2194 [2022-11-03 03:41:08,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:08,919 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 764 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:08,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1640 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:41:08,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2022-11-03 03:41:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 1379. [2022-11-03 03:41:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1378 states have (on average 1.3425253991291728) internal successors, (1850), 1378 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1850 transitions. [2022-11-03 03:41:08,948 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1850 transitions. Word has length 468 [2022-11-03 03:41:08,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:08,949 INFO L495 AbstractCegarLoop]: Abstraction has 1379 states and 1850 transitions. [2022-11-03 03:41:08,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1850 transitions. [2022-11-03 03:41:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-03 03:41:08,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:08,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:08,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (61)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:09,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:09,174 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:09,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:09,175 INFO L85 PathProgramCache]: Analyzing trace with hash -276363509, now seen corresponding path program 1 times [2022-11-03 03:41:09,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:09,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120613993] [2022-11-03 03:41:09,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:09,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:09,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:09,180 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:09,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2022-11-03 03:41:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:10,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 4034 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-03 03:41:10,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:12,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:12,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:12,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120613993] [2022-11-03 03:41:12,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120613993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:12,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:12,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:41:12,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505572962] [2022-11-03 03:41:12,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:12,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:41:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:12,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:41:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:41:12,697 INFO L87 Difference]: Start difference. First operand 1379 states and 1850 transitions. Second operand has 7 states, 7 states have (on average 66.85714285714286) internal successors, (468), 7 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:13,612 INFO L93 Difference]: Finished difference Result 3909 states and 5286 transitions. [2022-11-03 03:41:13,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:41:13,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 66.85714285714286) internal successors, (468), 7 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 468 [2022-11-03 03:41:13,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:13,615 INFO L225 Difference]: With dead ends: 3909 [2022-11-03 03:41:13,615 INFO L226 Difference]: Without dead ends: 3180 [2022-11-03 03:41:13,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:41:13,617 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 2771 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:13,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 2055 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:41:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3180 states. [2022-11-03 03:41:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3180 to 2033. [2022-11-03 03:41:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 2032 states have (on average 1.343011811023622) internal successors, (2729), 2032 states have internal predecessors, (2729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2729 transitions. [2022-11-03 03:41:13,650 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2729 transitions. Word has length 468 [2022-11-03 03:41:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:13,650 INFO L495 AbstractCegarLoop]: Abstraction has 2033 states and 2729 transitions. [2022-11-03 03:41:13,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 66.85714285714286) internal successors, (468), 7 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2729 transitions. [2022-11-03 03:41:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-03 03:41:13,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:13,656 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:13,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:13,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:13,870 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:13,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash 816421773, now seen corresponding path program 1 times [2022-11-03 03:41:13,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:13,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565510253] [2022-11-03 03:41:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:13,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:13,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:13,874 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:13,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d67eba-3b75-47da-87fb-1c6212504c96/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2022-11-03 03:41:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:15,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 4034 conjuncts, 136 conjunts are in the unsatisfiable core [2022-11-03 03:41:15,326 INFO L286 TraceCheckSpWp]: Computing forward predicates...