/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 17:16:26,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 17:16:26,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 17:16:27,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 17:16:27,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 17:16:27,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 17:16:27,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 17:16:27,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 17:16:27,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 17:16:27,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 17:16:27,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 17:16:27,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 17:16:27,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 17:16:27,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 17:16:27,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 17:16:27,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 17:16:27,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 17:16:27,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 17:16:27,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 17:16:27,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 17:16:27,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-08 17:16:27,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 17:16:27,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 17:16:27,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 17:16:27,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 17:16:27,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 17:16:27,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 17:16:27,112 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 17:16:27,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 17:16:27,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 17:16:27,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 17:16:27,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 17:16:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 17:16:27,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 17:16:27,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-08 17:16:27,115 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-08 17:16:27,115 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-08 17:16:27,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 17:16:27,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-08 17:16:27,116 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-08 17:16:27,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-08 17:16:27,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 17:16:27,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 17:16:27,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 17:16:27,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 17:16:27,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 17:16:27,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:16:27,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 17:16:27,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 17:16:27,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-08 17:16:27,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-08 17:16:27,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 17:16:27,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-08 17:16:27,120 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 17:16:27,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 17:16:27,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 17:16:27,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 17:16:27,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 17:16:27,522 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 17:16:27,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2021-10-08 17:16:27,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dddd33bc/b24b5596912b41e49620c67ec21f393a/FLAGeb89d3aed [2021-10-08 17:16:28,396 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 17:16:28,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2021-10-08 17:16:28,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dddd33bc/b24b5596912b41e49620c67ec21f393a/FLAGeb89d3aed [2021-10-08 17:16:28,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dddd33bc/b24b5596912b41e49620c67ec21f393a [2021-10-08 17:16:28,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 17:16:28,712 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-08 17:16:28,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 17:16:28,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 17:16:28,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 17:16:28,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:16:28" (1/1) ... [2021-10-08 17:16:28,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d2ab98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:28, skipping insertion in model container [2021-10-08 17:16:28,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:16:28" (1/1) ... [2021-10-08 17:16:28,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 17:16:28,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:16:28,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3413,3426] [2021-10-08 17:16:28,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:16:28,999 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-08 17:16:29,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:16:29,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3413,3426] [2021-10-08 17:16:29,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:16:29,056 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 17:16:29,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3413,3426] [2021-10-08 17:16:29,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:16:29,118 INFO L208 MainTranslator]: Completed translation [2021-10-08 17:16:29,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29 WrapperNode [2021-10-08 17:16:29,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 17:16:29,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 17:16:29,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 17:16:29,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 17:16:29,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 17:16:29,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 17:16:29,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 17:16:29,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 17:16:29,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 17:16:29,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 17:16:29,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 17:16:29,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 17:16:29,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (1/1) ... [2021-10-08 17:16:29,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:16:29,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 17:16:29,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 17:16:29,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 17:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-08 17:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 17:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-08 17:16:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 17:16:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 17:16:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 17:16:29,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 17:16:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 17:16:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 17:16:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-08 17:16:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-08 17:16:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 17:16:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 17:16:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 17:16:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 17:16:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 17:16:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 17:16:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-08 17:16:29,463 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 17:16:30,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 17:16:30,907 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-08 17:16:30,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:16:30 BoogieIcfgContainer [2021-10-08 17:16:30,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 17:16:30,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 17:16:30,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 17:16:30,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 17:16:30,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 05:16:28" (1/3) ... [2021-10-08 17:16:30,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d947485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:16:30, skipping insertion in model container [2021-10-08 17:16:30,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:16:29" (2/3) ... [2021-10-08 17:16:30,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d947485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:16:30, skipping insertion in model container [2021-10-08 17:16:30,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:16:30" (3/3) ... [2021-10-08 17:16:30,920 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2021-10-08 17:16:30,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 17:16:30,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-10-08 17:16:30,931 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 17:16:31,016 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,016 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,018 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,018 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,018 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,018 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,040 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,040 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,040 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,042 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,042 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,042 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,042 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,042 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,043 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,043 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,043 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,043 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,045 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,045 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,045 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,045 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,046 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,047 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,047 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,048 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,048 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,048 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,050 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,050 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,050 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,050 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,051 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,052 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,055 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,056 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,056 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,056 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,057 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,057 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,057 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,057 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,058 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,058 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,058 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,058 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,059 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,059 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,061 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,063 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,065 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,066 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,067 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,067 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,067 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,067 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,067 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,068 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,069 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,069 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,069 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,069 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,069 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,070 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,071 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,073 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,073 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,073 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,075 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,075 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,075 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,077 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,077 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,077 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,077 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,077 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,078 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,078 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,078 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,078 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,078 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,085 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,085 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,085 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,086 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,088 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,088 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,089 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,091 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,092 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,093 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,093 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,093 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,093 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,094 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,095 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,096 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,096 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,096 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,098 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,099 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,100 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,100 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,100 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,100 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,100 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,101 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,102 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,102 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,102 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,102 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,102 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,103 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,110 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,114 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,115 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,115 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,115 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,115 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,115 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,116 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,116 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,116 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,116 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,117 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,117 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,117 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,119 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,120 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,122 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,137 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,138 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,139 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,139 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,139 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,139 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:16:31,157 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-10-08 17:16:31,212 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 17:16:31,221 INFO L339 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 17:16:31,221 INFO L340 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2021-10-08 17:16:31,244 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 17:16:31,257 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 287 transitions, 618 flow [2021-10-08 17:16:31,261 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 287 transitions, 618 flow [2021-10-08 17:16:31,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 277 places, 287 transitions, 618 flow [2021-10-08 17:16:31,403 INFO L129 PetriNetUnfolder]: 23/270 cut-off events. [2021-10-08 17:16:31,403 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-08 17:16:31,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 270 events. 23/270 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 589 event pairs, 0 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 211. Up to 3 conditions per place. [2021-10-08 17:16:31,436 INFO L116 LiptonReduction]: Number of co-enabled transitions 16596 [2021-10-08 17:16:56,955 INFO L131 LiptonReduction]: Checked pairs total: 36246 [2021-10-08 17:16:56,956 INFO L133 LiptonReduction]: Total number of compositions: 301 [2021-10-08 17:16:56,967 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 81 transitions, 206 flow [2021-10-08 17:16:57,295 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5802 states, 5340 states have (on average 4.377340823970037) internal successors, (23375), 5801 states have internal predecessors, (23375), 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) [2021-10-08 17:16:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 5802 states, 5340 states have (on average 4.377340823970037) internal successors, (23375), 5801 states have internal predecessors, (23375), 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) [2021-10-08 17:16:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:16:57,340 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:16:57,341 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:16:57,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:16:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:16:57,350 INFO L82 PathProgramCache]: Analyzing trace with hash 38849, now seen corresponding path program 1 times [2021-10-08 17:16:57,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:16:57,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474926991] [2021-10-08 17:16:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:16:57,415 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:16:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:16:57,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:16:57,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-08 17:16:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:16:57,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 17:16:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:16:57,974 INFO L354 Elim1Store]: treesize reduction 145, result has 24.9 percent of original size [2021-10-08 17:16:57,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 70 [2021-10-08 17:16:58,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 69 [2021-10-08 17:16:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:16:58,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:16:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:16:58,337 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:16:58,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474926991] [2021-10-08 17:16:58,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474926991] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:16:58,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:16:58,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:16:58,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418568448] [2021-10-08 17:16:58,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:16:58,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:16:58,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:16:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:16:58,386 INFO L87 Difference]: Start difference. First operand has 5802 states, 5340 states have (on average 4.377340823970037) internal successors, (23375), 5801 states have internal predecessors, (23375), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:00,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:00,923 INFO L93 Difference]: Finished difference Result 4690 states and 18418 transitions. [2021-10-08 17:17:00,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:17:00,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-08 17:17:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:01,060 INFO L225 Difference]: With dead ends: 4690 [2021-10-08 17:17:01,061 INFO L226 Difference]: Without dead ends: 4690 [2021-10-08 17:17:01,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:01,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4690 states. [2021-10-08 17:17:01,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4690 to 4690. [2021-10-08 17:17:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4353 states have (on average 4.23110498506777) internal successors, (18418), 4689 states have internal predecessors, (18418), 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) [2021-10-08 17:17:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 18418 transitions. [2021-10-08 17:17:01,507 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 18418 transitions. Word has length 2 [2021-10-08 17:17:01,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:01,508 INFO L470 AbstractCegarLoop]: Abstraction has 4690 states and 18418 transitions. [2021-10-08 17:17:01,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 18418 transitions. [2021-10-08 17:17:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:17:01,510 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:01,510 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:17:01,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:01,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:01,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:01,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:01,732 INFO L82 PathProgramCache]: Analyzing trace with hash 38850, now seen corresponding path program 1 times [2021-10-08 17:17:01,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:01,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456022496] [2021-10-08 17:17:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:01,733 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:01,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:01,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:01,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-08 17:17:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:01,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 17:17:01,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:01,837 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:17:01,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 30 [2021-10-08 17:17:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:01,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:01,893 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:01,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456022496] [2021-10-08 17:17:01,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456022496] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:01,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:01,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:17:01,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199364007] [2021-10-08 17:17:01,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:17:01,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:01,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:17:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:01,897 INFO L87 Difference]: Start difference. First operand 4690 states and 18418 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:02,194 INFO L93 Difference]: Finished difference Result 3621 states and 13544 transitions. [2021-10-08 17:17:02,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:17:02,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-08 17:17:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:02,235 INFO L225 Difference]: With dead ends: 3621 [2021-10-08 17:17:02,236 INFO L226 Difference]: Without dead ends: 3621 [2021-10-08 17:17:02,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2021-10-08 17:17:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 3589. [2021-10-08 17:17:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 3373 states have (on average 3.998517640083012) internal successors, (13487), 3588 states have internal predecessors, (13487), 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) [2021-10-08 17:17:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 13487 transitions. [2021-10-08 17:17:02,542 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 13487 transitions. Word has length 2 [2021-10-08 17:17:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:02,543 INFO L470 AbstractCegarLoop]: Abstraction has 3589 states and 13487 transitions. [2021-10-08 17:17:02,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 13487 transitions. [2021-10-08 17:17:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:17:02,543 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:02,543 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:17:02,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:02,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:02,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:02,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:02,766 INFO L82 PathProgramCache]: Analyzing trace with hash 38682, now seen corresponding path program 1 times [2021-10-08 17:17:02,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:02,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585437632] [2021-10-08 17:17:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:02,767 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:02,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:02,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-08 17:17:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:02,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 17:17:02,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:03,080 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:17:03,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:17:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:03,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:03,293 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:03,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585437632] [2021-10-08 17:17:03,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585437632] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:03,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:03,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:17:03,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324244717] [2021-10-08 17:17:03,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:17:03,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:03,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:17:03,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:03,298 INFO L87 Difference]: Start difference. First operand 3589 states and 13487 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:04,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:04,022 INFO L93 Difference]: Finished difference Result 3626 states and 13568 transitions. [2021-10-08 17:17:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:17:04,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-08 17:17:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:04,083 INFO L225 Difference]: With dead ends: 3626 [2021-10-08 17:17:04,083 INFO L226 Difference]: Without dead ends: 3626 [2021-10-08 17:17:04,083 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 101.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:04,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-10-08 17:17:04,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3591. [2021-10-08 17:17:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3375 states have (on average 3.997925925925926) internal successors, (13493), 3590 states have internal predecessors, (13493), 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) [2021-10-08 17:17:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 13493 transitions. [2021-10-08 17:17:04,363 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 13493 transitions. Word has length 2 [2021-10-08 17:17:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:04,364 INFO L470 AbstractCegarLoop]: Abstraction has 3591 states and 13493 transitions. [2021-10-08 17:17:04,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-08 17:17:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 13493 transitions. [2021-10-08 17:17:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:17:04,365 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:04,365 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:17:04,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:04,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:04,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:04,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:04,579 INFO L82 PathProgramCache]: Analyzing trace with hash 38683, now seen corresponding path program 1 times [2021-10-08 17:17:04,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:04,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728996896] [2021-10-08 17:17:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:04,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:04,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:04,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:04,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-08 17:17:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:04,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 17:17:04,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:04,697 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:17:04,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-08 17:17:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:04,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:04,730 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:04,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728996896] [2021-10-08 17:17:04,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728996896] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:04,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:04,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 17:17:04,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838892686] [2021-10-08 17:17:04,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:17:04,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:04,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:17:04,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:04,733 INFO L87 Difference]: Start difference. First operand 3591 states and 13493 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 17:17:04,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:04,987 INFO L93 Difference]: Finished difference Result 3590 states and 13490 transitions. [2021-10-08 17:17:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:17:04,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-10-08 17:17:04,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:05,020 INFO L225 Difference]: With dead ends: 3590 [2021-10-08 17:17:05,021 INFO L226 Difference]: Without dead ends: 3590 [2021-10-08 17:17:05,021 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:05,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2021-10-08 17:17:05,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3590. [2021-10-08 17:17:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3375 states have (on average 3.997037037037037) internal successors, (13490), 3589 states have internal predecessors, (13490), 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) [2021-10-08 17:17:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 13490 transitions. [2021-10-08 17:17:05,287 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 13490 transitions. Word has length 2 [2021-10-08 17:17:05,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:05,289 INFO L470 AbstractCegarLoop]: Abstraction has 3590 states and 13490 transitions. [2021-10-08 17:17:05,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 17:17:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 13490 transitions. [2021-10-08 17:17:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 17:17:05,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:05,294 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 17:17:05,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:05,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:05,507 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:05,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:05,510 INFO L82 PathProgramCache]: Analyzing trace with hash 37326970, now seen corresponding path program 1 times [2021-10-08 17:17:05,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:05,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137891841] [2021-10-08 17:17:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:05,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:05,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:05,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-08 17:17:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:05,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 17:17:05,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:05,885 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:17:05,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:17:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:06,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:06,662 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:06,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137891841] [2021-10-08 17:17:06,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137891841] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:17:06,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:17:06,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-08 17:17:06,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186593384] [2021-10-08 17:17:06,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:17:06,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:06,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:17:06,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:17:06,664 INFO L87 Difference]: Start difference. First operand 3590 states and 13490 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2021-10-08 17:17:09,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:09,499 INFO L93 Difference]: Finished difference Result 3711 states and 13762 transitions. [2021-10-08 17:17:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 17:17:09,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) Word has length 4 [2021-10-08 17:17:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:09,526 INFO L225 Difference]: With dead ends: 3711 [2021-10-08 17:17:09,527 INFO L226 Difference]: Without dead ends: 3711 [2021-10-08 17:17:09,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1396.6ms TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-10-08 17:17:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2021-10-08 17:17:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3594. [2021-10-08 17:17:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3594 states, 3379 states have (on average 3.9946729801716483) internal successors, (13498), 3593 states have internal predecessors, (13498), 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) [2021-10-08 17:17:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3594 states and 13498 transitions. [2021-10-08 17:17:09,739 INFO L78 Accepts]: Start accepts. Automaton has 3594 states and 13498 transitions. Word has length 4 [2021-10-08 17:17:09,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:09,740 INFO L470 AbstractCegarLoop]: Abstraction has 3594 states and 13498 transitions. [2021-10-08 17:17:09,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2021-10-08 17:17:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 13498 transitions. [2021-10-08 17:17:09,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 17:17:09,741 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:09,741 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 17:17:09,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:09,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:09,962 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:09,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1546911918, now seen corresponding path program 1 times [2021-10-08 17:17:09,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:09,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105255408] [2021-10-08 17:17:09,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:09,964 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:09,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:09,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:09,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-08 17:17:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:10,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 17:17:10,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:10,067 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:17:10,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-08 17:17:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:10,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:10,135 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:10,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105255408] [2021-10-08 17:17:10,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105255408] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:10,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:10,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 17:17:10,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706858669] [2021-10-08 17:17:10,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:17:10,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:10,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:17:10,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:10,139 INFO L87 Difference]: Start difference. First operand 3594 states and 13498 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-08 17:17:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:10,341 INFO L93 Difference]: Finished difference Result 3416 states and 12825 transitions. [2021-10-08 17:17:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:17:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-08 17:17:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:10,365 INFO L225 Difference]: With dead ends: 3416 [2021-10-08 17:17:10,365 INFO L226 Difference]: Without dead ends: 3416 [2021-10-08 17:17:10,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2021-10-08 17:17:10,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3390. [2021-10-08 17:17:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 3215 states have (on average 3.9729393468118195) internal successors, (12773), 3389 states have internal predecessors, (12773), 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) [2021-10-08 17:17:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 12773 transitions. [2021-10-08 17:17:10,576 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 12773 transitions. Word has length 6 [2021-10-08 17:17:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:10,577 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 12773 transitions. [2021-10-08 17:17:10,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-08 17:17:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 12773 transitions. [2021-10-08 17:17:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 17:17:10,578 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:10,578 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 17:17:10,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-08 17:17:10,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:10,792 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:10,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:10,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1546911919, now seen corresponding path program 1 times [2021-10-08 17:17:10,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:10,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247983055] [2021-10-08 17:17:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:10,794 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:10,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:10,799 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:10,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-08 17:17:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:10,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 17:17:10,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:11,062 INFO L354 Elim1Store]: treesize reduction 149, result has 22.8 percent of original size [2021-10-08 17:17:11,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 65 [2021-10-08 17:17:11,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2021-10-08 17:17:13,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:13,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:13,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:13,755 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:13,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247983055] [2021-10-08 17:17:13,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247983055] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:13,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:13,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:17:13,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314781682] [2021-10-08 17:17:13,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:17:13,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:13,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:17:13,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:13,758 INFO L87 Difference]: Start difference. First operand 3390 states and 12773 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-08 17:17:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:16,272 INFO L93 Difference]: Finished difference Result 5828 states and 22329 transitions. [2021-10-08 17:17:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:17:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 6 [2021-10-08 17:17:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:16,320 INFO L225 Difference]: With dead ends: 5828 [2021-10-08 17:17:16,320 INFO L226 Difference]: Without dead ends: 5828 [2021-10-08 17:17:16,321 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2040.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5828 states. [2021-10-08 17:17:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5828 to 4141. [2021-10-08 17:17:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4141 states, 3966 states have (on average 4.179778113968735) internal successors, (16577), 4140 states have internal predecessors, (16577), 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) [2021-10-08 17:17:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 16577 transitions. [2021-10-08 17:17:16,637 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 16577 transitions. Word has length 6 [2021-10-08 17:17:16,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:16,638 INFO L470 AbstractCegarLoop]: Abstraction has 4141 states and 16577 transitions. [2021-10-08 17:17:16,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-08 17:17:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 16577 transitions. [2021-10-08 17:17:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 17:17:16,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:16,639 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:16,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:16,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:16,843 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:16,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:16,844 INFO L82 PathProgramCache]: Analyzing trace with hash 700305319, now seen corresponding path program 1 times [2021-10-08 17:17:16,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:16,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322857137] [2021-10-08 17:17:16,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:16,846 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:16,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:16,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:16,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-08 17:17:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:16,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 17:17:16,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:16,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 17:17:16,991 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:17:16,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-10-08 17:17:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:17,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:17,173 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:17,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322857137] [2021-10-08 17:17:17,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322857137] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:17,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:17,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-10-08 17:17:17,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246135096] [2021-10-08 17:17:17,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 17:17:17,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:17,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 17:17:17,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 17:17:17,176 INFO L87 Difference]: Start difference. First operand 4141 states and 16577 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-08 17:17:17,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:17,520 INFO L93 Difference]: Finished difference Result 3586 states and 14015 transitions. [2021-10-08 17:17:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:17:17,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 7 [2021-10-08 17:17:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:17,545 INFO L225 Difference]: With dead ends: 3586 [2021-10-08 17:17:17,545 INFO L226 Difference]: Without dead ends: 3586 [2021-10-08 17:17:17,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 113.7ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 17:17:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2021-10-08 17:17:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3586. [2021-10-08 17:17:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 3451 states have (on average 4.061141698058534) internal successors, (14015), 3585 states have internal predecessors, (14015), 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) [2021-10-08 17:17:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 14015 transitions. [2021-10-08 17:17:17,748 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 14015 transitions. Word has length 7 [2021-10-08 17:17:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:17,748 INFO L470 AbstractCegarLoop]: Abstraction has 3586 states and 14015 transitions. [2021-10-08 17:17:17,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-08 17:17:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 14015 transitions. [2021-10-08 17:17:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 17:17:17,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:17,750 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:17,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:17,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:17,964 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:17,965 INFO L82 PathProgramCache]: Analyzing trace with hash 700305320, now seen corresponding path program 1 times [2021-10-08 17:17:17,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:17,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011145413] [2021-10-08 17:17:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:17,967 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:17,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:17,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:17,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-08 17:17:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 17:17:18,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:18,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 17:17:18,124 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-08 17:17:18,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-08 17:17:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:18,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:18,187 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:18,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011145413] [2021-10-08 17:17:18,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011145413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:18,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:18,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-08 17:17:18,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933696303] [2021-10-08 17:17:18,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:17:18,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:18,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:17:18,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:18,191 INFO L87 Difference]: Start difference. First operand 3586 states and 14015 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-08 17:17:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:18,413 INFO L93 Difference]: Finished difference Result 3031 states and 11453 transitions. [2021-10-08 17:17:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:17:18,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-10-08 17:17:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:18,431 INFO L225 Difference]: With dead ends: 3031 [2021-10-08 17:17:18,431 INFO L226 Difference]: Without dead ends: 3031 [2021-10-08 17:17:18,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:17:18,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2021-10-08 17:17:18,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3031. [2021-10-08 17:17:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 2936 states have (on average 3.900885558583106) internal successors, (11453), 3030 states have internal predecessors, (11453), 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) [2021-10-08 17:17:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 11453 transitions. [2021-10-08 17:17:18,584 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 11453 transitions. Word has length 7 [2021-10-08 17:17:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:18,585 INFO L470 AbstractCegarLoop]: Abstraction has 3031 states and 11453 transitions. [2021-10-08 17:17:18,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-08 17:17:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 11453 transitions. [2021-10-08 17:17:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 17:17:18,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:18,587 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:18,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:18,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:18,801 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:18,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:18,802 INFO L82 PathProgramCache]: Analyzing trace with hash 234924847, now seen corresponding path program 1 times [2021-10-08 17:17:18,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:18,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094476865] [2021-10-08 17:17:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:18,803 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:18,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:18,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-08 17:17:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:18,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 17:17:18,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:19,111 INFO L354 Elim1Store]: treesize reduction 149, result has 22.8 percent of original size [2021-10-08 17:17:19,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 77 [2021-10-08 17:17:19,164 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:17:19,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 86 [2021-10-08 17:17:19,737 INFO L354 Elim1Store]: treesize reduction 66, result has 19.5 percent of original size [2021-10-08 17:17:19,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 70 [2021-10-08 17:17:19,788 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-10-08 17:17:19,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 65 [2021-10-08 17:17:20,128 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-08 17:17:20,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 64 [2021-10-08 17:17:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:23,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:24,474 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:24,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094476865] [2021-10-08 17:17:24,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094476865] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:24,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:24,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-08 17:17:24,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529778482] [2021-10-08 17:17:24,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:17:24,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:24,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:17:24,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2021-10-08 17:17:24,476 INFO L87 Difference]: Start difference. First operand 3031 states and 11453 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-10-08 17:17:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:31,508 INFO L93 Difference]: Finished difference Result 2880 states and 10970 transitions. [2021-10-08 17:17:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 17:17:31,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 8 [2021-10-08 17:17:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:31,524 INFO L225 Difference]: With dead ends: 2880 [2021-10-08 17:17:31,524 INFO L226 Difference]: Without dead ends: 2880 [2021-10-08 17:17:31,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2622.3ms TimeCoverageRelationStatistics Valid=33, Invalid=38, Unknown=1, NotChecked=0, Total=72 [2021-10-08 17:17:31,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2021-10-08 17:17:31,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2127. [2021-10-08 17:17:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2056 states have (on average 3.6629377431906613) internal successors, (7531), 2126 states have internal predecessors, (7531), 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) [2021-10-08 17:17:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 7531 transitions. [2021-10-08 17:17:31,600 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 7531 transitions. Word has length 8 [2021-10-08 17:17:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:31,601 INFO L470 AbstractCegarLoop]: Abstraction has 2127 states and 7531 transitions. [2021-10-08 17:17:31,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-10-08 17:17:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 7531 transitions. [2021-10-08 17:17:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 17:17:31,602 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:31,602 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-08 17:17:31,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:31,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:31,816 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:31,816 INFO L82 PathProgramCache]: Analyzing trace with hash 980876090, now seen corresponding path program 2 times [2021-10-08 17:17:31,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:31,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931142466] [2021-10-08 17:17:31,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 17:17:31,817 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:31,818 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:31,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-08 17:17:31,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 17:17:31,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:17:31,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-08 17:17:31,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:31,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:32,204 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:17:32,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:17:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:32,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:34,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:34,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931142466] [2021-10-08 17:17:34,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931142466] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:17:34,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:17:34,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-08 17:17:34,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067097446] [2021-10-08 17:17:34,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-08 17:17:34,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:34,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-08 17:17:34,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-08 17:17:34,696 INFO L87 Difference]: Start difference. First operand 2127 states and 7531 transitions. Second operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-10-08 17:17:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:54,611 INFO L93 Difference]: Finished difference Result 10770 states and 37979 transitions. [2021-10-08 17:17:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 17:17:54,613 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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 8 [2021-10-08 17:17:54,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:54,654 INFO L225 Difference]: With dead ends: 10770 [2021-10-08 17:17:54,654 INFO L226 Difference]: Without dead ends: 10770 [2021-10-08 17:17:54,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 11178.1ms TimeCoverageRelationStatistics Valid=257, Invalid=445, Unknown=0, NotChecked=0, Total=702 [2021-10-08 17:17:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10770 states. [2021-10-08 17:17:54,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10770 to 2135. [2021-10-08 17:17:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2135 states, 2064 states have (on average 3.6564922480620154) internal successors, (7547), 2134 states have internal predecessors, (7547), 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) [2021-10-08 17:17:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 7547 transitions. [2021-10-08 17:17:54,852 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 7547 transitions. Word has length 8 [2021-10-08 17:17:54,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:54,852 INFO L470 AbstractCegarLoop]: Abstraction has 2135 states and 7547 transitions. [2021-10-08 17:17:54,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-10-08 17:17:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 7547 transitions. [2021-10-08 17:17:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 17:17:54,855 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:54,855 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:54,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:55,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:55,069 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:55,070 INFO L82 PathProgramCache]: Analyzing trace with hash -945307886, now seen corresponding path program 1 times [2021-10-08 17:17:55,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:55,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630246949] [2021-10-08 17:17:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:55,071 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:55,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:55,072 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:55,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-08 17:17:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:55,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 17:17:55,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:55,225 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:17:55,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-08 17:17:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:55,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:55,314 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:55,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630246949] [2021-10-08 17:17:55,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630246949] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:55,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:55,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-08 17:17:55,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233510900] [2021-10-08 17:17:55,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:17:55,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:55,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:17:55,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:17:55,316 INFO L87 Difference]: Start difference. First operand 2135 states and 7547 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-08 17:17:55,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:55,549 INFO L93 Difference]: Finished difference Result 1485 states and 5069 transitions. [2021-10-08 17:17:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 17:17:55,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-10-08 17:17:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:55,554 INFO L225 Difference]: With dead ends: 1485 [2021-10-08 17:17:55,555 INFO L226 Difference]: Without dead ends: 1485 [2021-10-08 17:17:55,555 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 17:17:55,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2021-10-08 17:17:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1459. [2021-10-08 17:17:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1426 states have (on average 3.5336605890603088) internal successors, (5039), 1458 states have internal predecessors, (5039), 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) [2021-10-08 17:17:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 5039 transitions. [2021-10-08 17:17:55,599 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 5039 transitions. Word has length 9 [2021-10-08 17:17:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:55,600 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 5039 transitions. [2021-10-08 17:17:55,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-08 17:17:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 5039 transitions. [2021-10-08 17:17:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 17:17:55,601 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:55,601 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:55,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:55,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:55,814 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:55,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:55,815 INFO L82 PathProgramCache]: Analyzing trace with hash -945307885, now seen corresponding path program 1 times [2021-10-08 17:17:55,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:55,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747859598] [2021-10-08 17:17:55,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:55,816 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:55,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:55,818 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:55,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-08 17:17:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:55,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 17:17:55,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:17:56,137 INFO L354 Elim1Store]: treesize reduction 149, result has 25.9 percent of original size [2021-10-08 17:17:56,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 61 [2021-10-08 17:17:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:56,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:56,776 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:56,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747859598] [2021-10-08 17:17:56,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747859598] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:56,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:56,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-08 17:17:56,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482623807] [2021-10-08 17:17:56,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:17:56,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:56,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:17:56,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:17:56,778 INFO L87 Difference]: Start difference. First operand 1459 states and 5039 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-10-08 17:17:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:57,929 INFO L93 Difference]: Finished difference Result 1700 states and 5678 transitions. [2021-10-08 17:17:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 17:17:57,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 9 [2021-10-08 17:17:57,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:57,936 INFO L225 Difference]: With dead ends: 1700 [2021-10-08 17:17:57,937 INFO L226 Difference]: Without dead ends: 1700 [2021-10-08 17:17:57,937 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 498.8ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-08 17:17:57,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2021-10-08 17:17:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1463. [2021-10-08 17:17:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1430 states have (on average 3.5335664335664334) internal successors, (5053), 1462 states have internal predecessors, (5053), 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) [2021-10-08 17:17:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 5053 transitions. [2021-10-08 17:17:57,981 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 5053 transitions. Word has length 9 [2021-10-08 17:17:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:57,981 INFO L470 AbstractCegarLoop]: Abstraction has 1463 states and 5053 transitions. [2021-10-08 17:17:57,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-10-08 17:17:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 5053 transitions. [2021-10-08 17:17:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 17:17:57,983 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:57,983 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:57,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:58,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:58,191 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:58,191 INFO L82 PathProgramCache]: Analyzing trace with hash 2132606765, now seen corresponding path program 1 times [2021-10-08 17:17:58,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:58,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085274877] [2021-10-08 17:17:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:58,192 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:58,198 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:58,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-08 17:17:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:58,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 17:17:58,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:58,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:58,611 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:58,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085274877] [2021-10-08 17:17:58,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085274877] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:58,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:58,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-08 17:17:58,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448635966] [2021-10-08 17:17:58,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:17:58,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:17:58,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:17:58,613 INFO L87 Difference]: Start difference. First operand 1463 states and 5053 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-08 17:17:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:17:59,143 INFO L93 Difference]: Finished difference Result 2555 states and 7847 transitions. [2021-10-08 17:17:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 17:17:59,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 10 [2021-10-08 17:17:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:17:59,152 INFO L225 Difference]: With dead ends: 2555 [2021-10-08 17:17:59,152 INFO L226 Difference]: Without dead ends: 2555 [2021-10-08 17:17:59,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 181.5ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-10-08 17:17:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2021-10-08 17:17:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 1636. [2021-10-08 17:17:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1603 states have (on average 3.33873986275733) internal successors, (5352), 1635 states have internal predecessors, (5352), 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) [2021-10-08 17:17:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 5352 transitions. [2021-10-08 17:17:59,221 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 5352 transitions. Word has length 10 [2021-10-08 17:17:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:17:59,221 INFO L470 AbstractCegarLoop]: Abstraction has 1636 states and 5352 transitions. [2021-10-08 17:17:59,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-08 17:17:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 5352 transitions. [2021-10-08 17:17:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 17:17:59,222 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:17:59,223 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:17:59,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-08 17:17:59,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:17:59,436 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:17:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:17:59,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1476658617, now seen corresponding path program 1 times [2021-10-08 17:17:59,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:17:59,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270139742] [2021-10-08 17:17:59,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:17:59,438 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:17:59,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:17:59,440 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:17:59,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-08 17:17:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:17:59,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 17:17:59,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:17:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:59,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:17:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:17:59,802 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:17:59,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270139742] [2021-10-08 17:17:59,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270139742] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:17:59,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:17:59,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-08 17:17:59,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594550506] [2021-10-08 17:17:59,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:17:59,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:17:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:17:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:17:59,805 INFO L87 Difference]: Start difference. First operand 1636 states and 5352 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-08 17:18:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:18:00,314 INFO L93 Difference]: Finished difference Result 2323 states and 6983 transitions. [2021-10-08 17:18:00,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 17:18:00,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 10 [2021-10-08 17:18:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:18:00,324 INFO L225 Difference]: With dead ends: 2323 [2021-10-08 17:18:00,324 INFO L226 Difference]: Without dead ends: 2323 [2021-10-08 17:18:00,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 188.3ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-10-08 17:18:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2021-10-08 17:18:00,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1829. [2021-10-08 17:18:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1796 states have (on average 3.229955456570156) internal successors, (5801), 1828 states have internal predecessors, (5801), 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) [2021-10-08 17:18:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 5801 transitions. [2021-10-08 17:18:00,381 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 5801 transitions. Word has length 10 [2021-10-08 17:18:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:18:00,382 INFO L470 AbstractCegarLoop]: Abstraction has 1829 states and 5801 transitions. [2021-10-08 17:18:00,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-08 17:18:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 5801 transitions. [2021-10-08 17:18:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 17:18:00,383 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:18:00,384 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:18:00,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-08 17:18:00,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:18:00,597 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:18:00,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:18:00,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1686300773, now seen corresponding path program 1 times [2021-10-08 17:18:00,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:18:00,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631110089] [2021-10-08 17:18:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:18:00,599 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:18:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:18:00,601 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:18:00,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-08 17:18:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:18:00,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 17:18:00,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:18:00,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 17:18:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:00,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:18:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:00,798 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:18:00,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631110089] [2021-10-08 17:18:00,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631110089] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:18:00,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:18:00,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-08 17:18:00,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567913280] [2021-10-08 17:18:00,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:18:00,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:18:00,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:18:00,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:18:00,802 INFO L87 Difference]: Start difference. First operand 1829 states and 5801 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-08 17:18:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:18:00,951 INFO L93 Difference]: Finished difference Result 1675 states and 5332 transitions. [2021-10-08 17:18:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:18:00,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-10-08 17:18:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:18:00,957 INFO L225 Difference]: With dead ends: 1675 [2021-10-08 17:18:00,957 INFO L226 Difference]: Without dead ends: 1675 [2021-10-08 17:18:00,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:18:00,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2021-10-08 17:18:00,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2021-10-08 17:18:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1650 states have (on average 3.2315151515151515) internal successors, (5332), 1674 states have internal predecessors, (5332), 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) [2021-10-08 17:18:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 5332 transitions. [2021-10-08 17:18:01,002 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 5332 transitions. Word has length 11 [2021-10-08 17:18:01,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:18:01,003 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 5332 transitions. [2021-10-08 17:18:01,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-08 17:18:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 5332 transitions. [2021-10-08 17:18:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 17:18:01,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:18:01,004 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:18:01,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-08 17:18:01,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:18:01,219 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:18:01,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:18:01,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1686300774, now seen corresponding path program 1 times [2021-10-08 17:18:01,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:18:01,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309691993] [2021-10-08 17:18:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:18:01,220 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:18:01,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:18:01,221 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:18:01,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-08 17:18:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:18:01,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 17:18:01,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:18:01,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 17:18:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:01,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:18:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:01,530 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:18:01,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309691993] [2021-10-08 17:18:01,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309691993] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:18:01,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:18:01,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-08 17:18:01,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699917527] [2021-10-08 17:18:01,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:18:01,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:18:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:18:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:18:01,533 INFO L87 Difference]: Start difference. First operand 1675 states and 5332 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-10-08 17:18:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:18:01,722 INFO L93 Difference]: Finished difference Result 1521 states and 4863 transitions. [2021-10-08 17:18:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:18:01,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 11 [2021-10-08 17:18:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:18:01,729 INFO L225 Difference]: With dead ends: 1521 [2021-10-08 17:18:01,729 INFO L226 Difference]: Without dead ends: 1521 [2021-10-08 17:18:01,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:18:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2021-10-08 17:18:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1521. [2021-10-08 17:18:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1504 states have (on average 3.233377659574468) internal successors, (4863), 1520 states have internal predecessors, (4863), 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) [2021-10-08 17:18:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 4863 transitions. [2021-10-08 17:18:01,771 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 4863 transitions. Word has length 11 [2021-10-08 17:18:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:18:01,772 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 4863 transitions. [2021-10-08 17:18:01,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-10-08 17:18:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 4863 transitions. [2021-10-08 17:18:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 17:18:01,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:18:01,773 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:18:01,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-10-08 17:18:01,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:18:01,994 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:18:01,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:18:01,995 INFO L82 PathProgramCache]: Analyzing trace with hash -218720115, now seen corresponding path program 1 times [2021-10-08 17:18:01,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:18:01,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617188881] [2021-10-08 17:18:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:18:01,996 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:18:01,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:18:01,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:18:02,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-08 17:18:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:18:02,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-08 17:18:02,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:18:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:18:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:18:02,447 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:18:02,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 71 [2021-10-08 17:18:02,497 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:18:02,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 80 [2021-10-08 17:18:02,952 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:18:02,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 43 [2021-10-08 17:18:02,961 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:18:02,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 38 [2021-10-08 17:18:03,126 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-10-08 17:18:03,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 42 [2021-10-08 17:18:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:03,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:18:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:18:13,876 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:18:13,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617188881] [2021-10-08 17:18:13,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617188881] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:18:13,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:18:13,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 17:18:13,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855492166] [2021-10-08 17:18:13,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 17:18:13,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:18:13,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 17:18:13,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=145, Unknown=2, NotChecked=0, Total=182 [2021-10-08 17:18:13,878 INFO L87 Difference]: Start difference. First operand 1521 states and 4863 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2021-10-08 17:18:23,476 WARN L207 SmtUtils]: Spent 6.73 s on a formula simplification that was a NOOP. DAG size: 46 [2021-10-08 17:18:49,939 WARN L207 SmtUtils]: Spent 15.87 s on a formula simplification that was a NOOP. DAG size: 56 [2021-10-08 17:19:14,405 WARN L207 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 49 [2021-10-08 17:20:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:20:43,724 INFO L93 Difference]: Finished difference Result 5328 states and 16891 transitions. [2021-10-08 17:20:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 17:20:43,726 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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 12 [2021-10-08 17:20:43,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:20:43,742 INFO L225 Difference]: With dead ends: 5328 [2021-10-08 17:20:43,742 INFO L226 Difference]: Without dead ends: 5328 [2021-10-08 17:20:43,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 84396.7ms TimeCoverageRelationStatistics Valid=174, Invalid=624, Unknown=14, NotChecked=0, Total=812 [2021-10-08 17:20:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2021-10-08 17:20:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 1670. [2021-10-08 17:20:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1653 states have (on average 3.263157894736842) internal successors, (5394), 1669 states have internal predecessors, (5394), 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) [2021-10-08 17:20:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 5394 transitions. [2021-10-08 17:20:43,825 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 5394 transitions. Word has length 12 [2021-10-08 17:20:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:20:43,825 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 5394 transitions. [2021-10-08 17:20:43,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2021-10-08 17:20:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 5394 transitions. [2021-10-08 17:20:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 17:20:43,826 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:20:43,827 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:20:43,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-08 17:20:44,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:20:44,041 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:20:44,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:20:44,041 INFO L82 PathProgramCache]: Analyzing trace with hash -874668263, now seen corresponding path program 1 times [2021-10-08 17:20:44,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:20:44,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25579809] [2021-10-08 17:20:44,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:20:44,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:20:44,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:20:44,044 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:20:44,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-08 17:20:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:20:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-08 17:20:44,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:20:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:20:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:20:44,550 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:20:44,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 71 [2021-10-08 17:20:44,615 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:20:44,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 80 [2021-10-08 17:20:45,128 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:20:45,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 42 [2021-10-08 17:20:45,138 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:20:45,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2021-10-08 17:20:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:20:45,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:20:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:20:50,837 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:20:50,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25579809] [2021-10-08 17:20:50,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25579809] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:20:50,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:20:50,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 17:20:50,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118843315] [2021-10-08 17:20:50,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 17:20:50,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:20:50,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 17:20:50,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=144, Unknown=1, NotChecked=0, Total=182 [2021-10-08 17:20:50,839 INFO L87 Difference]: Start difference. First operand 1670 states and 5394 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2021-10-08 17:21:55,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:21:55,871 INFO L93 Difference]: Finished difference Result 5698 states and 19068 transitions. [2021-10-08 17:21:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 17:21:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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 12 [2021-10-08 17:21:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:21:55,899 INFO L225 Difference]: With dead ends: 5698 [2021-10-08 17:21:55,900 INFO L226 Difference]: Without dead ends: 5698 [2021-10-08 17:21:55,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 32618.7ms TimeCoverageRelationStatistics Valid=198, Invalid=609, Unknown=5, NotChecked=0, Total=812 [2021-10-08 17:21:55,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2021-10-08 17:21:56,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 2438. [2021-10-08 17:21:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2438 states, 2421 states have (on average 3.385790995456423) internal successors, (8197), 2437 states have internal predecessors, (8197), 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) [2021-10-08 17:21:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 8197 transitions. [2021-10-08 17:21:56,116 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 8197 transitions. Word has length 12 [2021-10-08 17:21:56,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:21:56,117 INFO L470 AbstractCegarLoop]: Abstraction has 2438 states and 8197 transitions. [2021-10-08 17:21:56,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2021-10-08 17:21:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 8197 transitions. [2021-10-08 17:21:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 17:21:56,122 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:21:56,122 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:21:56,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-08 17:21:56,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:21:56,336 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:21:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:21:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1344907238, now seen corresponding path program 1 times [2021-10-08 17:21:56,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:21:56,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529256531] [2021-10-08 17:21:56,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:21:56,338 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:21:56,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:21:56,347 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:21:56,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-08 17:21:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:21:56,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 17:21:56,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:21:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:21:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:21:57,031 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:21:57,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:21:57,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-08 17:21:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:21:57,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:21:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:21:58,296 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:21:58,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529256531] [2021-10-08 17:21:58,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529256531] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:21:58,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:21:58,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 17:21:58,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944119528] [2021-10-08 17:21:58,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 17:21:58,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:21:58,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 17:21:58,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-10-08 17:21:58,299 INFO L87 Difference]: Start difference. First operand 2438 states and 8197 transitions. Second operand has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-08 17:22:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:22:01,554 INFO L93 Difference]: Finished difference Result 3755 states and 12411 transitions. [2021-10-08 17:22:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 17:22:01,556 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 13 [2021-10-08 17:22:01,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:22:01,565 INFO L225 Difference]: With dead ends: 3755 [2021-10-08 17:22:01,565 INFO L226 Difference]: Without dead ends: 3755 [2021-10-08 17:22:01,566 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1533.9ms TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2021-10-08 17:22:01,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-10-08 17:22:01,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3409. [2021-10-08 17:22:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3392 states have (on average 3.415978773584906) internal successors, (11587), 3408 states have internal predecessors, (11587), 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) [2021-10-08 17:22:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 11587 transitions. [2021-10-08 17:22:01,673 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 11587 transitions. Word has length 13 [2021-10-08 17:22:01,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:22:01,674 INFO L470 AbstractCegarLoop]: Abstraction has 3409 states and 11587 transitions. [2021-10-08 17:22:01,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-08 17:22:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 11587 transitions. [2021-10-08 17:22:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 17:22:01,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:22:01,676 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:22:01,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-08 17:22:01,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:22:01,895 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:22:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:22:01,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1481137850, now seen corresponding path program 2 times [2021-10-08 17:22:01,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:22:01,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86845619] [2021-10-08 17:22:01,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 17:22:01,897 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:22:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:22:01,898 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:22:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-08 17:22:02,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 17:22:02,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:22:02,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-08 17:22:02,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:22:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:02,407 INFO L354 Elim1Store]: treesize reduction 149, result has 25.9 percent of original size [2021-10-08 17:22:02,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 73 [2021-10-08 17:22:02,482 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:22:02,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 82 [2021-10-08 17:22:02,999 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:22:02,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-10-08 17:22:03,025 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 17:22:03,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2021-10-08 17:22:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:22:03,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:22:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:22:06,373 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:22:06,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86845619] [2021-10-08 17:22:06,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86845619] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:22:06,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:22:06,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-08 17:22:06,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556517863] [2021-10-08 17:22:06,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 17:22:06,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:22:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 17:22:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2021-10-08 17:22:06,376 INFO L87 Difference]: Start difference. First operand 3409 states and 11587 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-08 17:22:17,306 WARN L207 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2021-10-08 17:22:30,650 WARN L207 SmtUtils]: Spent 10.16 s on a formula simplification that was a NOOP. DAG size: 33 [2021-10-08 17:22:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:22:36,297 INFO L93 Difference]: Finished difference Result 4885 states and 16858 transitions. [2021-10-08 17:22:36,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-08 17:22:36,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 13 [2021-10-08 17:22:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:22:36,313 INFO L225 Difference]: With dead ends: 4885 [2021-10-08 17:22:36,313 INFO L226 Difference]: Without dead ends: 4885 [2021-10-08 17:22:36,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 27724.8ms TimeCoverageRelationStatistics Valid=91, Invalid=179, Unknown=2, NotChecked=0, Total=272 [2021-10-08 17:22:36,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-10-08 17:22:36,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 3645. [2021-10-08 17:22:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3645 states, 3628 states have (on average 3.580760749724366) internal successors, (12991), 3644 states have internal predecessors, (12991), 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) [2021-10-08 17:22:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3645 states and 12991 transitions. [2021-10-08 17:22:36,473 INFO L78 Accepts]: Start accepts. Automaton has 3645 states and 12991 transitions. Word has length 13 [2021-10-08 17:22:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:22:36,475 INFO L470 AbstractCegarLoop]: Abstraction has 3645 states and 12991 transitions. [2021-10-08 17:22:36,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-08 17:22:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3645 states and 12991 transitions. [2021-10-08 17:22:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 17:22:36,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:22:36,477 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:22:36,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-08 17:22:36,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:22:36,691 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:22:36,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:22:36,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1328916824, now seen corresponding path program 1 times [2021-10-08 17:22:36,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:22:36,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599991189] [2021-10-08 17:22:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:22:36,694 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:22:36,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:22:36,695 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:22:36,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-08 17:22:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:22:36,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-08 17:22:36,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:22:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:37,329 INFO L354 Elim1Store]: treesize reduction 149, result has 25.9 percent of original size [2021-10-08 17:22:37,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 61 [2021-10-08 17:22:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:22:37,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:22:39,659 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:22:39,659 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:22:39,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599991189] [2021-10-08 17:22:39,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599991189] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:22:39,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:22:39,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-08 17:22:39,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761055154] [2021-10-08 17:22:39,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 17:22:39,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:22:39,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 17:22:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-10-08 17:22:39,662 INFO L87 Difference]: Start difference. First operand 3645 states and 12991 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 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) [2021-10-08 17:22:52,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:22:52,672 INFO L93 Difference]: Finished difference Result 4199 states and 14429 transitions. [2021-10-08 17:22:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 17:22:52,674 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 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 14 [2021-10-08 17:22:52,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:22:52,686 INFO L225 Difference]: With dead ends: 4199 [2021-10-08 17:22:52,686 INFO L226 Difference]: Without dead ends: 4199 [2021-10-08 17:22:52,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 9415.4ms TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-10-08 17:22:52,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states. [2021-10-08 17:22:52,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 3685. [2021-10-08 17:22:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3685 states, 3668 states have (on average 3.5831515812431842) internal successors, (13143), 3684 states have internal predecessors, (13143), 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) [2021-10-08 17:22:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 13143 transitions. [2021-10-08 17:22:52,772 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 13143 transitions. Word has length 14 [2021-10-08 17:22:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:22:52,772 INFO L470 AbstractCegarLoop]: Abstraction has 3685 states and 13143 transitions. [2021-10-08 17:22:52,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 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) [2021-10-08 17:22:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 13143 transitions. [2021-10-08 17:22:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 17:22:52,774 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:22:52,774 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:22:52,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-08 17:22:52,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:22:52,989 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:22:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:22:52,990 INFO L82 PathProgramCache]: Analyzing trace with hash -424502807, now seen corresponding path program 1 times [2021-10-08 17:22:52,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:22:52,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305652972] [2021-10-08 17:22:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:22:52,991 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:22:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:22:52,992 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:22:52,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-10-08 17:22:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:22:53,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 17:22:53,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:22:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:53,638 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:22:53,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:22:53,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-08 17:22:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:22:54,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:22:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:22:54,910 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:22:54,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305652972] [2021-10-08 17:22:54,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305652972] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:22:54,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:22:54,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 17:22:54,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698289286] [2021-10-08 17:22:54,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 17:22:54,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:22:54,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 17:22:54,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-10-08 17:22:54,912 INFO L87 Difference]: Start difference. First operand 3685 states and 13143 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2021-10-08 17:22:57,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:22:57,436 INFO L93 Difference]: Finished difference Result 3626 states and 12322 transitions. [2021-10-08 17:22:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 17:22:57,437 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 15 [2021-10-08 17:22:57,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:22:57,450 INFO L225 Difference]: With dead ends: 3626 [2021-10-08 17:22:57,450 INFO L226 Difference]: Without dead ends: 3626 [2021-10-08 17:22:57,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1217.6ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-08 17:22:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-10-08 17:22:57,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3399. [2021-10-08 17:22:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 3382 states have (on average 3.5002956830277943) internal successors, (11838), 3398 states have internal predecessors, (11838), 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) [2021-10-08 17:22:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 11838 transitions. [2021-10-08 17:22:57,526 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 11838 transitions. Word has length 15 [2021-10-08 17:22:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:22:57,526 INFO L470 AbstractCegarLoop]: Abstraction has 3399 states and 11838 transitions. [2021-10-08 17:22:57,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2021-10-08 17:22:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 11838 transitions. [2021-10-08 17:22:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 17:22:57,527 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:22:57,527 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:22:57,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-10-08 17:22:57,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:22:57,738 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:22:57,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:22:57,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1753242202, now seen corresponding path program 2 times [2021-10-08 17:22:57,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:22:57,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227083755] [2021-10-08 17:22:57,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 17:22:57,740 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:22:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:22:57,741 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:22:57,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-08 17:22:58,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 17:22:58,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:22:58,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-08 17:22:58,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:22:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:22:58,387 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:22:58,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:22:58,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-10-08 17:22:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:22:59,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:23:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:23:00,331 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:23:00,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227083755] [2021-10-08 17:23:00,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227083755] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:23:00,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:23:00,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-08 17:23:00,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694404134] [2021-10-08 17:23:00,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-08 17:23:00,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:23:00,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-08 17:23:00,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2021-10-08 17:23:00,333 INFO L87 Difference]: Start difference. First operand 3399 states and 11838 transitions. Second operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-10-08 17:23:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:23:07,236 INFO L93 Difference]: Finished difference Result 5319 states and 17960 transitions. [2021-10-08 17:23:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 17:23:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 15 [2021-10-08 17:23:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:23:07,254 INFO L225 Difference]: With dead ends: 5319 [2021-10-08 17:23:07,255 INFO L226 Difference]: Without dead ends: 5319 [2021-10-08 17:23:07,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 3096.4ms TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2021-10-08 17:23:07,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2021-10-08 17:23:07,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 4673. [2021-10-08 17:23:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4673 states, 4656 states have (on average 3.5193298969072164) internal successors, (16386), 4672 states have internal predecessors, (16386), 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) [2021-10-08 17:23:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 16386 transitions. [2021-10-08 17:23:07,419 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 16386 transitions. Word has length 15 [2021-10-08 17:23:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:23:07,419 INFO L470 AbstractCegarLoop]: Abstraction has 4673 states and 16386 transitions. [2021-10-08 17:23:07,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-10-08 17:23:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 16386 transitions. [2021-10-08 17:23:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 17:23:07,422 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:23:07,422 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:23:07,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-08 17:23:07,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:23:07,635 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:23:07,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:23:07,636 INFO L82 PathProgramCache]: Analyzing trace with hash -858057730, now seen corresponding path program 2 times [2021-10-08 17:23:07,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:23:07,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842437706] [2021-10-08 17:23:07,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 17:23:07,638 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:23:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:23:07,639 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:23:07,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-10-08 17:23:07,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 17:23:07,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:23:07,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-08 17:23:07,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:23:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:23:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:23:08,274 INFO L354 Elim1Store]: treesize reduction 149, result has 25.9 percent of original size [2021-10-08 17:23:08,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 73 [2021-10-08 17:23:08,367 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:23:08,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 82 [2021-10-08 17:23:08,816 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:23:08,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2021-10-08 17:23:08,842 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 17:23:08,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2021-10-08 17:23:09,053 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-10-08 17:23:09,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 34 [2021-10-08 17:23:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:23:09,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:23:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 17:23:14,965 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:23:14,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842437706] [2021-10-08 17:23:14,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842437706] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:23:14,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:23:14,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-08 17:23:14,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809897935] [2021-10-08 17:23:14,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 17:23:14,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:23:14,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 17:23:14,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=96, Unknown=1, NotChecked=0, Total=132 [2021-10-08 17:23:14,967 INFO L87 Difference]: Start difference. First operand 4673 states and 16386 transitions. Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2021-10-08 17:23:30,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:23:30,297 INFO L93 Difference]: Finished difference Result 10381 states and 37788 transitions. [2021-10-08 17:23:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 17:23:30,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 16 [2021-10-08 17:23:30,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:23:30,328 INFO L225 Difference]: With dead ends: 10381 [2021-10-08 17:23:30,329 INFO L226 Difference]: Without dead ends: 10381 [2021-10-08 17:23:30,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 10949.7ms TimeCoverageRelationStatistics Valid=250, Invalid=561, Unknown=1, NotChecked=0, Total=812 [2021-10-08 17:23:30,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10381 states. [2021-10-08 17:23:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10381 to 7737. [2021-10-08 17:23:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7737 states, 7720 states have (on average 3.8704663212435233) internal successors, (29880), 7736 states have internal predecessors, (29880), 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) [2021-10-08 17:23:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7737 states to 7737 states and 29880 transitions. [2021-10-08 17:23:30,534 INFO L78 Accepts]: Start accepts. Automaton has 7737 states and 29880 transitions. Word has length 16 [2021-10-08 17:23:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:23:30,534 INFO L470 AbstractCegarLoop]: Abstraction has 7737 states and 29880 transitions. [2021-10-08 17:23:30,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2021-10-08 17:23:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7737 states and 29880 transitions. [2021-10-08 17:23:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 17:23:30,536 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:23:30,536 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:23:30,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-10-08 17:23:30,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:23:30,737 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:23:30,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:23:30,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1319687279, now seen corresponding path program 3 times [2021-10-08 17:23:30,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:23:30,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518489962] [2021-10-08 17:23:30,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 17:23:30,747 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:23:30,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:23:30,752 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:23:30,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-10-08 17:23:31,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-08 17:23:31,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:23:31,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-08 17:23:31,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:23:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:23:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:23:31,495 INFO L354 Elim1Store]: treesize reduction 149, result has 25.9 percent of original size [2021-10-08 17:23:31,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 73 [2021-10-08 17:23:31,579 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:23:31,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 82 [2021-10-08 17:23:32,343 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:23:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2021-10-08 17:23:32,353 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:23:32,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2021-10-08 17:23:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 17:23:32,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:23:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 17:23:39,514 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:23:39,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518489962] [2021-10-08 17:23:39,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518489962] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:23:39,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:23:39,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 17:23:39,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699113114] [2021-10-08 17:23:39,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 17:23:39,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:23:39,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 17:23:39,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=135, Unknown=1, NotChecked=0, Total=182 [2021-10-08 17:23:39,516 INFO L87 Difference]: Start difference. First operand 7737 states and 29880 transitions. Second operand has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-08 17:24:05,162 WARN L207 SmtUtils]: Spent 23.73 s on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-10-08 17:24:29,521 WARN L207 SmtUtils]: Spent 10.64 s on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-10-08 17:24:48,629 WARN L207 SmtUtils]: Spent 10.32 s on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2021-10-08 17:24:59,710 WARN L207 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-10-08 17:25:55,735 WARN L207 SmtUtils]: Spent 20.88 s on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-10-08 17:26:42,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:26:42,411 INFO L93 Difference]: Finished difference Result 12786 states and 51098 transitions. [2021-10-08 17:26:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-08 17:26:42,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 16 [2021-10-08 17:26:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:26:42,460 INFO L225 Difference]: With dead ends: 12786 [2021-10-08 17:26:42,460 INFO L226 Difference]: Without dead ends: 12786 [2021-10-08 17:26:42,460 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 105643.2ms TimeCoverageRelationStatistics Valid=333, Invalid=714, Unknown=9, NotChecked=0, Total=1056 [2021-10-08 17:26:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12786 states. [2021-10-08 17:26:42,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12786 to 8786. [2021-10-08 17:26:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8786 states, 8769 states have (on average 4.01117573269472) internal successors, (35174), 8785 states have internal predecessors, (35174), 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) [2021-10-08 17:26:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8786 states to 8786 states and 35174 transitions. [2021-10-08 17:26:42,792 INFO L78 Accepts]: Start accepts. Automaton has 8786 states and 35174 transitions. Word has length 16 [2021-10-08 17:26:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:26:42,793 INFO L470 AbstractCegarLoop]: Abstraction has 8786 states and 35174 transitions. [2021-10-08 17:26:42,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-08 17:26:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8786 states and 35174 transitions. [2021-10-08 17:26:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 17:26:42,795 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:26:42,795 INFO L512 BasicCegarLoop]: trace histogram [14, 1, 1] [2021-10-08 17:26:42,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-10-08 17:26:43,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:26:43,009 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:26:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:26:43,010 INFO L82 PathProgramCache]: Analyzing trace with hash 554152122, now seen corresponding path program 3 times [2021-10-08 17:26:43,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:26:43,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541480834] [2021-10-08 17:26:43,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 17:26:43,011 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:26:43,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:26:43,012 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:26:43,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-10-08 17:26:43,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-10-08 17:26:43,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:26:43,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-08 17:26:43,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:26:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:26:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:26:43,838 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:26:43,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:26:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:26:45,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:26:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:26:53,468 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:26:53,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541480834] [2021-10-08 17:26:53,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541480834] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:26:53,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:26:53,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 30 [2021-10-08 17:26:53,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491414513] [2021-10-08 17:26:53,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-08 17:26:53,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:26:53,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-08 17:26:53,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2021-10-08 17:26:53,471 INFO L87 Difference]: Start difference. First operand 8786 states and 35174 transitions. Second operand has 32 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 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) [2021-10-08 17:27:01,853 WARN L207 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 161 [2021-10-08 17:27:19,003 WARN L207 SmtUtils]: Spent 6.64 s on a formula simplification that was a NOOP. DAG size: 162 [2021-10-08 17:27:37,274 WARN L207 SmtUtils]: Spent 10.57 s on a formula simplification that was a NOOP. DAG size: 168 [2021-10-08 17:27:47,829 WARN L207 SmtUtils]: Spent 9.61 s on a formula simplification that was a NOOP. DAG size: 157 [2021-10-08 17:27:56,450 WARN L207 SmtUtils]: Spent 7.33 s on a formula simplification that was a NOOP. DAG size: 146 [2021-10-08 17:28:06,359 WARN L207 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 136 [2021-10-08 17:28:19,552 WARN L207 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 137 [2021-10-08 17:28:25,668 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 125 [2021-10-08 17:29:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:29:39,894 INFO L93 Difference]: Finished difference Result 61811 states and 266739 transitions. [2021-10-08 17:29:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-08 17:29:39,896 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 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 16 [2021-10-08 17:29:39,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:29:40,751 INFO L225 Difference]: With dead ends: 61811 [2021-10-08 17:29:40,751 INFO L226 Difference]: Without dead ends: 61811 [2021-10-08 17:29:40,753 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 113766.0ms TimeCoverageRelationStatistics Valid=1205, Invalid=2217, Unknown=0, NotChecked=0, Total=3422 [2021-10-08 17:29:41,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61811 states. [2021-10-08 17:29:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61811 to 8802. [2021-10-08 17:29:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8802 states, 8785 states have (on average 4.0075128059191805) internal successors, (35206), 8801 states have internal predecessors, (35206), 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) [2021-10-08 17:29:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8802 states to 8802 states and 35206 transitions. [2021-10-08 17:29:42,238 INFO L78 Accepts]: Start accepts. Automaton has 8802 states and 35206 transitions. Word has length 16 [2021-10-08 17:29:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:29:42,243 INFO L470 AbstractCegarLoop]: Abstraction has 8802 states and 35206 transitions. [2021-10-08 17:29:42,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 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) [2021-10-08 17:29:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8802 states and 35206 transitions. [2021-10-08 17:29:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 17:29:42,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:29:42,262 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:29:42,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-10-08 17:29:42,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:29:42,478 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:29:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:29:42,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1033726137, now seen corresponding path program 4 times [2021-10-08 17:29:42,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:29:42,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927926916] [2021-10-08 17:29:42,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 17:29:42,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:29:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:29:42,482 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:29:42,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-10-08 17:29:42,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 17:29:42,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:29:42,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-08 17:29:42,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:29:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:29:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:29:43,289 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:29:43,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:29:43,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-08 17:29:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:29:44,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:29:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:29:45,810 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:29:45,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927926916] [2021-10-08 17:29:45,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1927926916] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:29:45,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:29:45,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-10-08 17:29:45,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498593485] [2021-10-08 17:29:45,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 17:29:45,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:29:45,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 17:29:45,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2021-10-08 17:29:45,812 INFO L87 Difference]: Start difference. First operand 8802 states and 35206 transitions. Second operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2021-10-08 17:29:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:29:57,514 INFO L93 Difference]: Finished difference Result 17539 states and 68831 transitions. [2021-10-08 17:29:57,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 17:29:57,517 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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 18 [2021-10-08 17:29:57,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:29:57,577 INFO L225 Difference]: With dead ends: 17539 [2021-10-08 17:29:57,578 INFO L226 Difference]: Without dead ends: 17539 [2021-10-08 17:29:57,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 4757.3ms TimeCoverageRelationStatistics Valid=584, Invalid=2068, Unknown=0, NotChecked=0, Total=2652 [2021-10-08 17:29:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17539 states. [2021-10-08 17:29:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17539 to 12972. [2021-10-08 17:29:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12972 states, 12955 states have (on average 4.1264376688537245) internal successors, (53458), 12971 states have internal predecessors, (53458), 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) [2021-10-08 17:29:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12972 states to 12972 states and 53458 transitions. [2021-10-08 17:29:58,063 INFO L78 Accepts]: Start accepts. Automaton has 12972 states and 53458 transitions. Word has length 18 [2021-10-08 17:29:58,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:29:58,063 INFO L470 AbstractCegarLoop]: Abstraction has 12972 states and 53458 transitions. [2021-10-08 17:29:58,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2021-10-08 17:29:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 12972 states and 53458 transitions. [2021-10-08 17:29:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-08 17:29:58,069 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:29:58,070 INFO L512 BasicCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 17:29:58,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-10-08 17:29:58,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:29:58,283 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:29:58,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:29:58,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1215799833, now seen corresponding path program 5 times [2021-10-08 17:29:58,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:29:58,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591682273] [2021-10-08 17:29:58,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 17:29:58,286 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:29:58,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:29:58,287 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:29:58,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-10-08 17:29:58,947 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-08 17:29:58,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 17:29:58,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-08 17:29:58,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:29:58,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:29:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:29:59,244 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:29:59,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:30:00,125 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-08 17:30:00,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 44 [2021-10-08 17:30:00,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:30:00,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-10-08 17:30:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:30:01,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:30:11,310 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-08 17:30:11,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2021-10-08 17:30:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:30:11,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:30:11,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591682273] [2021-10-08 17:30:11,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591682273] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:30:11,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:30:11,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 17:30:11,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504615282] [2021-10-08 17:30:11,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 17:30:11,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:30:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 17:30:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=755, Unknown=2, NotChecked=0, Total=870 [2021-10-08 17:30:11,993 INFO L87 Difference]: Start difference. First operand 12972 states and 53458 transitions. Second operand has 30 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 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) [2021-10-08 17:30:24,960 WARN L207 SmtUtils]: Spent 12.52 s on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2021-10-08 17:30:34,982 WARN L207 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 62 DAG size of output: 44 Received shutdown request... [2021-10-08 17:30:39,070 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 17:30:39,070 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 17:30:39,348 WARN L223 SmtUtils]: Removed 6 from assertion stack [2021-10-08 17:30:39,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 17:30:39,350 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-10-08 17:30:39,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:30:39,552 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. [2021-10-08 17:30:39,555 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,555 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,556 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-08 17:30:39,558 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-08 17:30:39,558 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-08 17:30:39,558 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-08 17:30:39,558 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0INUSE_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2INUSE_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-08 17:30:39,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-08 17:30:39,561 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-08 17:30:39,561 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-08 17:30:39,561 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-08 17:30:39,561 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-08 17:30:39,561 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-08 17:30:39,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork3Err1INUSE_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork3Err5INUSE_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-08 17:30:39,564 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-08 17:30:39,574 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 17:30:39,574 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 17:30:39,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 05:30:39 BasicIcfg [2021-10-08 17:30:39,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 17:30:39,582 INFO L168 Benchmark]: Toolchain (without parser) took 850876.82 ms. Allocated memory was 156.2 MB in the beginning and 688.9 MB in the end (delta: 532.7 MB). Free memory was 131.2 MB in the beginning and 383.8 MB in the end (delta: -252.5 MB). Peak memory consumption was 280.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,587 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 156.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 17:30:39,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.87 ms. Allocated memory is still 156.2 MB. Free memory was 130.7 MB in the beginning and 116.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.06 ms. Allocated memory is still 156.2 MB. Free memory was 116.7 MB in the beginning and 114.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,588 INFO L168 Benchmark]: Boogie Preprocessor took 98.05 ms. Allocated memory is still 156.2 MB. Free memory was 114.3 MB in the beginning and 112.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,588 INFO L168 Benchmark]: RCFGBuilder took 1611.58 ms. Allocated memory is still 156.2 MB. Free memory was 112.2 MB in the beginning and 111.6 MB in the end (delta: 574.1 kB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,589 INFO L168 Benchmark]: TraceAbstraction took 848668.15 ms. Allocated memory was 156.2 MB in the beginning and 688.9 MB in the end (delta: 532.7 MB). Free memory was 111.1 MB in the beginning and 383.8 MB in the end (delta: -272.7 MB). Peak memory consumption was 258.4 MB. Max. memory is 8.0 GB. [2021-10-08 17:30:39,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 156.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 400.87 ms. Allocated memory is still 156.2 MB. Free memory was 130.7 MB in the beginning and 116.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 75.06 ms. Allocated memory is still 156.2 MB. Free memory was 116.7 MB in the beginning and 114.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.05 ms. Allocated memory is still 156.2 MB. Free memory was 114.3 MB in the beginning and 112.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1611.58 ms. Allocated memory is still 156.2 MB. Free memory was 112.2 MB in the beginning and 111.6 MB in the end (delta: 574.1 kB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 848668.15 ms. Allocated memory was 156.2 MB in the beginning and 688.9 MB in the end (delta: 532.7 MB). Free memory was 111.1 MB in the beginning and 383.8 MB in the end (delta: -272.7 MB). Peak memory consumption was 258.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25695.2ms, 277 PlacesBefore, 88 PlacesAfterwards, 287 TransitionsBefore, 81 TransitionsAfterwards, 16596 CoEnabledTransitionPairs, 9 FixpointIterations, 108 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 46 ConcurrentYvCompositions, 17 ChoiceCompositions, 301 TotalNumberOfCompositions, 36246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24552, positive: 24082, positive conditional: 0, positive unconditional: 24082, negative: 470, negative conditional: 0, negative unconditional: 470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12250, positive: 12146, positive conditional: 0, positive unconditional: 12146, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12250, positive: 12113, positive conditional: 0, positive unconditional: 12113, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 137, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2331, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 2053, negative conditional: 0, negative unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24552, positive: 11936, positive conditional: 0, positive unconditional: 11936, negative: 366, negative conditional: 0, negative unconditional: 366, unknown: 12250, unknown conditional: 0, unknown unconditional: 12250] , Statistics on independence cache: Total cache size (in pairs): 665, Positive cache size: 623, Positive conditional cache size: 0, Positive unconditional cache size: 623, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (12972states) and FLOYD_HOARE automaton (currently 10 states, 30 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 3010ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 394 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 848358.2ms, OverallIterations: 29, TraceHistogramMax: 14, EmptinessCheckTime: 101.7ms, AutomataDifference: 715560.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26074.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2431 SDtfs, 13985 SDslu, 13407 SDs, 0 SdLazy, 10424 SolverSat, 1275 SolverUnsat, 86 SolverUnknown, 0 SolverNotchecked, 309300.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 744 GetRequests, 280 SyntacticMatches, 5 SemanticMatches, 458 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2282 ImplicationChecksByTransitivity, 446400.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12972occurred in iteration=28, InterpolantAutomatonStates: 373, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6334.6ms AutomataMinimizationTime, 28 MinimizatonAttempts, 87072 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 298.4ms SsaConstructionTime, 2134.7ms SatisfiabilityAnalysisTime, 87885.9ms InterpolantComputationTime, 294 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 530 ConstructedInterpolants, 110 QuantifiedInterpolants, 11862 SizeOfPredicates, 233 NumberOfNonLiveVariables, 2396 ConjunctsInSsa, 383 ConjunctsInUnsatCore, 58 InterpolantComputations, 32 PerfectInterpolantSequences, 56/476 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: Timeout Completed graceful shutdown