/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:33:22,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:33:22,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:33:22,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:33:22,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:33:22,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:33:22,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:33:22,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:33:22,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:33:22,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:33:22,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:33:22,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:33:22,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:33:22,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:33:22,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:33:22,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:33:22,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:33:22,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:33:22,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:33:22,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:33:22,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:33:22,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:33:22,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:33:22,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:33:22,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:33:22,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:33:22,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:33:22,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:33:22,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:33:22,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:33:22,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:33:22,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:33:22,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:33:22,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:33:22,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:33:22,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:33:22,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:33:22,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:33:22,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:33:22,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:33:22,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:33:22,491 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:33:22,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:33:22,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:33:22,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:33:22,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:33:22,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:33:22,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:33:22,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:33:22,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:33:22,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:33:22,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:33:22,493 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:33:22,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:33:22,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:33:22,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:33:22,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:33:22,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:33:22,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:33:22,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:33:22,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:33:22,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:33:22,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:33:22,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:33:22,495 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:33:22,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:33:22,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:33:22,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:33:22,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:33:22,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:33:22,795 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:33:22,796 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i [2020-10-05 23:33:22,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9e028e3/4ddbbf300efe45de8aefc7ee5ee1ac57/FLAGf5bae86d9 [2020-10-05 23:33:23,512 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:33:23,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i [2020-10-05 23:33:23,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9e028e3/4ddbbf300efe45de8aefc7ee5ee1ac57/FLAGf5bae86d9 [2020-10-05 23:33:23,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b9e028e3/4ddbbf300efe45de8aefc7ee5ee1ac57 [2020-10-05 23:33:23,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:33:23,826 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:33:23,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:33:23,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:33:23,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:33:23,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:33:23" (1/1) ... [2020-10-05 23:33:23,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691e5957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:23, skipping insertion in model container [2020-10-05 23:33:23,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:33:23" (1/1) ... [2020-10-05 23:33:23,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:33:23,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:33:24,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:33:24,453 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:33:24,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:33:24,595 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:33:24,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24 WrapperNode [2020-10-05 23:33:24,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:33:24,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:33:24,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:33:24,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:33:24,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:33:24,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:33:24,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:33:24,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:33:24,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... [2020-10-05 23:33:24,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:33:24,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:33:24,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:33:24,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:33:24,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:33:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:33:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:33:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:33:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:33:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:33:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:33:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:33:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:33:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:33:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:33:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:33:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:33:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:33:24,802 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:33:26,980 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:33:26,981 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:33:26,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:33:26 BoogieIcfgContainer [2020-10-05 23:33:26,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:33:26,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:33:26,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:33:26,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:33:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:33:23" (1/3) ... [2020-10-05 23:33:26,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daabe2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:33:26, skipping insertion in model container [2020-10-05 23:33:26,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:24" (2/3) ... [2020-10-05 23:33:26,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daabe2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:33:26, skipping insertion in model container [2020-10-05 23:33:26,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:33:26" (3/3) ... [2020-10-05 23:33:26,992 INFO L109 eAbstractionObserver]: Analyzing ICFG mix042_power.oepc.i [2020-10-05 23:33:27,002 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:33:27,003 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:33:27,010 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:33:27,011 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:33:27,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,070 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,072 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:27,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:33:27,127 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:33:27,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:33:27,127 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:33:27,127 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:33:27,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:33:27,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:33:27,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:33:27,128 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:33:27,146 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 209 flow [2020-10-05 23:33:27,148 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-05 23:33:27,199 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-05 23:33:27,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:33:27,205 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-05 23:33:27,208 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-05 23:33:27,234 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-05 23:33:27,235 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:33:27,236 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-05 23:33:27,238 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1814 [2020-10-05 23:33:27,239 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:33:27,446 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-05 23:33:28,084 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:33:28,573 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-05 23:33:28,676 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-05 23:33:29,574 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-05 23:33:29,724 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-05 23:33:29,742 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4981 [2020-10-05 23:33:29,742 INFO L214 etLargeBlockEncoding]: Total number of compositions: 78 [2020-10-05 23:33:29,746 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2020-10-05 23:33:29,842 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1334 states. [2020-10-05 23:33:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states. [2020-10-05 23:33:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:33:29,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:29,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:33:29,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:29,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:29,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1054991, now seen corresponding path program 1 times [2020-10-05 23:33:29,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:29,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123627351] [2020-10-05 23:33:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:30,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123627351] [2020-10-05 23:33:30,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:30,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:33:30,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407939784] [2020-10-05 23:33:30,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:33:30,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:33:30,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:33:30,133 INFO L87 Difference]: Start difference. First operand 1334 states. Second operand 3 states. [2020-10-05 23:33:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:30,284 INFO L93 Difference]: Finished difference Result 1112 states and 3605 transitions. [2020-10-05 23:33:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:33:30,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:33:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:30,314 INFO L225 Difference]: With dead ends: 1112 [2020-10-05 23:33:30,314 INFO L226 Difference]: Without dead ends: 812 [2020-10-05 23:33:30,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:33:30,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-05 23:33:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2020-10-05 23:33:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-05 23:33:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 2575 transitions. [2020-10-05 23:33:30,465 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 2575 transitions. Word has length 3 [2020-10-05 23:33:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:30,466 INFO L479 AbstractCegarLoop]: Abstraction has 812 states and 2575 transitions. [2020-10-05 23:33:30,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:33:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2575 transitions. [2020-10-05 23:33:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:33:30,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:30,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:30,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:33:30,470 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:30,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:30,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1475169757, now seen corresponding path program 1 times [2020-10-05 23:33:30,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:30,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846638203] [2020-10-05 23:33:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:30,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846638203] [2020-10-05 23:33:30,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:30,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:33:30,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363232696] [2020-10-05 23:33:30,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:30,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:30,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:30,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:30,669 INFO L87 Difference]: Start difference. First operand 812 states and 2575 transitions. Second operand 4 states. [2020-10-05 23:33:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:30,719 INFO L93 Difference]: Finished difference Result 942 states and 2874 transitions. [2020-10-05 23:33:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:33:30,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-05 23:33:30,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:30,727 INFO L225 Difference]: With dead ends: 942 [2020-10-05 23:33:30,728 INFO L226 Difference]: Without dead ends: 792 [2020-10-05 23:33:30,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-05 23:33:30,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2020-10-05 23:33:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-05 23:33:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2499 transitions. [2020-10-05 23:33:30,760 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2499 transitions. Word has length 10 [2020-10-05 23:33:30,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:30,761 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 2499 transitions. [2020-10-05 23:33:30,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2499 transitions. [2020-10-05 23:33:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:33:30,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:30,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:30,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:33:30,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:30,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1549391082, now seen corresponding path program 1 times [2020-10-05 23:33:30,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:30,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660023164] [2020-10-05 23:33:30,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:30,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660023164] [2020-10-05 23:33:30,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:30,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:33:30,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098728106] [2020-10-05 23:33:30,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:30,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:30,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:30,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:30,853 INFO L87 Difference]: Start difference. First operand 792 states and 2499 transitions. Second operand 4 states. [2020-10-05 23:33:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:30,891 INFO L93 Difference]: Finished difference Result 852 states and 2592 transitions. [2020-10-05 23:33:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:33:30,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 23:33:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:30,898 INFO L225 Difference]: With dead ends: 852 [2020-10-05 23:33:30,898 INFO L226 Difference]: Without dead ends: 712 [2020-10-05 23:33:30,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-05 23:33:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2020-10-05 23:33:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-05 23:33:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 2215 transitions. [2020-10-05 23:33:30,924 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 2215 transitions. Word has length 11 [2020-10-05 23:33:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:30,924 INFO L479 AbstractCegarLoop]: Abstraction has 712 states and 2215 transitions. [2020-10-05 23:33:30,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2215 transitions. [2020-10-05 23:33:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:33:30,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:30,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:30,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:33:30,927 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:30,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:30,928 INFO L82 PathProgramCache]: Analyzing trace with hash -822420100, now seen corresponding path program 1 times [2020-10-05 23:33:30,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:30,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574727128] [2020-10-05 23:33:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:31,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574727128] [2020-10-05 23:33:31,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:31,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:33:31,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305465586] [2020-10-05 23:33:31,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:31,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:31,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:31,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:31,056 INFO L87 Difference]: Start difference. First operand 712 states and 2215 transitions. Second operand 4 states. [2020-10-05 23:33:31,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:31,095 INFO L93 Difference]: Finished difference Result 606 states and 1636 transitions. [2020-10-05 23:33:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:33:31,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:33:31,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:31,099 INFO L225 Difference]: With dead ends: 606 [2020-10-05 23:33:31,099 INFO L226 Difference]: Without dead ends: 456 [2020-10-05 23:33:31,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:31,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-10-05 23:33:31,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2020-10-05 23:33:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-10-05 23:33:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 1191 transitions. [2020-10-05 23:33:31,113 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 1191 transitions. Word has length 12 [2020-10-05 23:33:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:31,113 INFO L479 AbstractCegarLoop]: Abstraction has 456 states and 1191 transitions. [2020-10-05 23:33:31,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1191 transitions. [2020-10-05 23:33:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:33:31,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:31,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:31,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:33:31,115 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:31,115 INFO L82 PathProgramCache]: Analyzing trace with hash 573539761, now seen corresponding path program 1 times [2020-10-05 23:33:31,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:31,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457550144] [2020-10-05 23:33:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:31,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457550144] [2020-10-05 23:33:31,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:31,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:33:31,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289624092] [2020-10-05 23:33:31,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:33:31,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:31,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:33:31,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:31,278 INFO L87 Difference]: Start difference. First operand 456 states and 1191 transitions. Second operand 5 states. [2020-10-05 23:33:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:31,331 INFO L93 Difference]: Finished difference Result 334 states and 796 transitions. [2020-10-05 23:33:31,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:33:31,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:33:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:31,333 INFO L225 Difference]: With dead ends: 334 [2020-10-05 23:33:31,334 INFO L226 Difference]: Without dead ends: 264 [2020-10-05 23:33:31,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:33:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-05 23:33:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-10-05 23:33:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-05 23:33:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 615 transitions. [2020-10-05 23:33:31,343 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 615 transitions. Word has length 15 [2020-10-05 23:33:31,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:31,343 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 615 transitions. [2020-10-05 23:33:31,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:33:31,344 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 615 transitions. [2020-10-05 23:33:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:33:31,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:31,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:31,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:33:31,346 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:31,346 INFO L82 PathProgramCache]: Analyzing trace with hash 15047789, now seen corresponding path program 1 times [2020-10-05 23:33:31,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:31,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816799595] [2020-10-05 23:33:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:31,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816799595] [2020-10-05 23:33:31,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:31,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:33:31,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521449320] [2020-10-05 23:33:31,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:31,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:31,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:31,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:31,443 INFO L87 Difference]: Start difference. First operand 264 states and 615 transitions. Second operand 4 states. [2020-10-05 23:33:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:31,513 INFO L93 Difference]: Finished difference Result 377 states and 853 transitions. [2020-10-05 23:33:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:33:31,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-05 23:33:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:31,515 INFO L225 Difference]: With dead ends: 377 [2020-10-05 23:33:31,515 INFO L226 Difference]: Without dead ends: 270 [2020-10-05 23:33:31,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-05 23:33:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 264. [2020-10-05 23:33:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-05 23:33:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 588 transitions. [2020-10-05 23:33:31,523 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 588 transitions. Word has length 19 [2020-10-05 23:33:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:31,523 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 588 transitions. [2020-10-05 23:33:31,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 588 transitions. [2020-10-05 23:33:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:33:31,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:31,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:31,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:33:31,525 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:31,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:31,526 INFO L82 PathProgramCache]: Analyzing trace with hash 734031837, now seen corresponding path program 2 times [2020-10-05 23:33:31,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:31,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945446270] [2020-10-05 23:33:31,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:31,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945446270] [2020-10-05 23:33:31,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:31,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:33:31,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170611646] [2020-10-05 23:33:31,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:33:31,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:31,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:33:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:33:31,731 INFO L87 Difference]: Start difference. First operand 264 states and 588 transitions. Second operand 6 states. [2020-10-05 23:33:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:31,789 INFO L93 Difference]: Finished difference Result 230 states and 519 transitions. [2020-10-05 23:33:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:33:31,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:33:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:31,791 INFO L225 Difference]: With dead ends: 230 [2020-10-05 23:33:31,791 INFO L226 Difference]: Without dead ends: 166 [2020-10-05 23:33:31,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:33:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-05 23:33:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-05 23:33:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-05 23:33:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 379 transitions. [2020-10-05 23:33:31,798 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 379 transitions. Word has length 19 [2020-10-05 23:33:31,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:31,798 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 379 transitions. [2020-10-05 23:33:31,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:33:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 379 transitions. [2020-10-05 23:33:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:33:31,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:31,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:31,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:33:31,800 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:31,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:31,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1770653842, now seen corresponding path program 1 times [2020-10-05 23:33:31,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:31,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632896309] [2020-10-05 23:33:31,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:31,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632896309] [2020-10-05 23:33:31,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:31,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:33:31,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554692580] [2020-10-05 23:33:31,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:33:31,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:31,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:33:31,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:31,954 INFO L87 Difference]: Start difference. First operand 166 states and 379 transitions. Second operand 5 states. [2020-10-05 23:33:31,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:31,990 INFO L93 Difference]: Finished difference Result 250 states and 562 transitions. [2020-10-05 23:33:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:33:31,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-05 23:33:31,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:31,992 INFO L225 Difference]: With dead ends: 250 [2020-10-05 23:33:31,992 INFO L226 Difference]: Without dead ends: 112 [2020-10-05 23:33:31,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:33:31,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-05 23:33:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-05 23:33:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-05 23:33:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 235 transitions. [2020-10-05 23:33:31,998 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 235 transitions. Word has length 23 [2020-10-05 23:33:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:31,998 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 235 transitions. [2020-10-05 23:33:31,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:33:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 235 transitions. [2020-10-05 23:33:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:33:31,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:31,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:32,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:33:32,000 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:32,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:32,000 INFO L82 PathProgramCache]: Analyzing trace with hash 187463814, now seen corresponding path program 2 times [2020-10-05 23:33:32,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:32,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649990417] [2020-10-05 23:33:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:32,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649990417] [2020-10-05 23:33:32,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:32,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-05 23:33:32,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472409668] [2020-10-05 23:33:32,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-05 23:33:32,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:32,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-05 23:33:32,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:33:32,329 INFO L87 Difference]: Start difference. First operand 112 states and 235 transitions. Second operand 11 states. [2020-10-05 23:33:32,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:32,887 INFO L93 Difference]: Finished difference Result 146 states and 288 transitions. [2020-10-05 23:33:32,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-05 23:33:32,888 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-05 23:33:32,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:32,890 INFO L225 Difference]: With dead ends: 146 [2020-10-05 23:33:32,890 INFO L226 Difference]: Without dead ends: 113 [2020-10-05 23:33:32,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-05 23:33:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-05 23:33:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2020-10-05 23:33:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-05 23:33:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 233 transitions. [2020-10-05 23:33:32,895 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 233 transitions. Word has length 23 [2020-10-05 23:33:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:32,897 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 233 transitions. [2020-10-05 23:33:32,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-05 23:33:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 233 transitions. [2020-10-05 23:33:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:33:32,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:32,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:32,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:33:32,899 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:32,900 INFO L82 PathProgramCache]: Analyzing trace with hash 438368348, now seen corresponding path program 3 times [2020-10-05 23:33:32,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:32,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349934340] [2020-10-05 23:33:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:33:33,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349934340] [2020-10-05 23:33:33,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:33,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:33:33,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195537402] [2020-10-05 23:33:33,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:33:33,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:33,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:33:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:33:33,225 INFO L87 Difference]: Start difference. First operand 112 states and 233 transitions. Second operand 8 states. [2020-10-05 23:33:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:33,540 INFO L93 Difference]: Finished difference Result 163 states and 320 transitions. [2020-10-05 23:33:33,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:33:33,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-05 23:33:33,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:33,542 INFO L225 Difference]: With dead ends: 163 [2020-10-05 23:33:33,542 INFO L226 Difference]: Without dead ends: 102 [2020-10-05 23:33:33,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:33:33,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-05 23:33:33,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 86. [2020-10-05 23:33:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-05 23:33:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 165 transitions. [2020-10-05 23:33:33,546 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 165 transitions. Word has length 23 [2020-10-05 23:33:33,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:33,546 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 165 transitions. [2020-10-05 23:33:33,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:33:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2020-10-05 23:33:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:33:33,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:33,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:33,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:33:33,548 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:33,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:33,548 INFO L82 PathProgramCache]: Analyzing trace with hash 289495110, now seen corresponding path program 4 times [2020-10-05 23:33:33,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:33,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120745491] [2020-10-05 23:33:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:33:33,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:33:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:33:33,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:33:33,682 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:33:33,682 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:33:33,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:33:33,714 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,715 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,716 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,716 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,716 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,717 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,717 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,717 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,717 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,717 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,718 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,718 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,718 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,718 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,718 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,719 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,719 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,719 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,719 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,719 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,720 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,720 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,720 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,720 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,720 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,720 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,721 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,721 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,721 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,721 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,722 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,722 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,722 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,722 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,722 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,722 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,723 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,723 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,723 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,724 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,724 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,724 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,724 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,724 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,724 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,725 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,725 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,725 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,725 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,726 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,726 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,726 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,726 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,726 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,727 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,727 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,727 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,727 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,728 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,728 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,728 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,728 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,729 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,729 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,729 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,729 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,729 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:33,729 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:33,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:33:33 BasicIcfg [2020-10-05 23:33:33,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:33:33,806 INFO L168 Benchmark]: Toolchain (without parser) took 9979.56 ms. Allocated memory was 146.3 MB in the beginning and 333.4 MB in the end (delta: 187.2 MB). Free memory was 100.8 MB in the beginning and 225.3 MB in the end (delta: -124.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,806 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.05 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 155.3 MB in the end (delta: -54.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.41 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 152.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,809 INFO L168 Benchmark]: Boogie Preprocessor took 40.91 ms. Allocated memory is still 202.4 MB. Free memory was 152.4 MB in the beginning and 150.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,810 INFO L168 Benchmark]: RCFGBuilder took 2284.01 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 150.5 MB in the beginning and 173.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,810 INFO L168 Benchmark]: TraceAbstraction took 6819.41 ms. Allocated memory was 248.0 MB in the beginning and 333.4 MB in the end (delta: 85.5 MB). Free memory was 173.0 MB in the beginning and 225.3 MB in the end (delta: -52.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:33,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.05 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 155.3 MB in the end (delta: -54.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.41 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 152.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.91 ms. Allocated memory is still 202.4 MB. Free memory was 152.4 MB in the beginning and 150.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2284.01 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 150.5 MB in the beginning and 173.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6819.41 ms. Allocated memory was 248.0 MB in the beginning and 333.4 MB in the end (delta: 85.5 MB). Free memory was 173.0 MB in the beginning and 225.3 MB in the end (delta: -52.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 105 ProgramPointsBefore, 39 ProgramPointsAfterwards, 97 TransitionsBefore, 30 TransitionsAfterwards, 1814 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 902 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4981 CheckedPairsTotal, 78 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p2_EAX = 0; [L704] 0 int __unbuffered_p2_EBX = 0; [L706] 0 int a = 0; [L707] 0 _Bool a$flush_delayed; [L708] 0 int a$mem_tmp; [L709] 0 _Bool a$r_buff0_thd0; [L710] 0 _Bool a$r_buff0_thd1; [L711] 0 _Bool a$r_buff0_thd2; [L712] 0 _Bool a$r_buff0_thd3; [L713] 0 _Bool a$r_buff1_thd0; [L714] 0 _Bool a$r_buff1_thd1; [L715] 0 _Bool a$r_buff1_thd2; [L716] 0 _Bool a$r_buff1_thd3; [L717] 0 _Bool a$read_delayed; [L718] 0 int *a$read_delayed_var; [L719] 0 int a$w_buff0; [L720] 0 _Bool a$w_buff0_used; [L721] 0 int a$w_buff1; [L722] 0 _Bool a$w_buff1_used; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L832] 0 pthread_t t1105; [L833] FCALL, FORK 0 pthread_create(&t1105, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L834] 0 pthread_t t1106; [L835] FCALL, FORK 0 pthread_create(&t1106, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L836] 0 pthread_t t1107; [L837] FCALL, FORK 0 pthread_create(&t1107, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L736] 1 a$w_buff1 = a$w_buff0 [L737] 1 a$w_buff0 = 1 [L738] 1 a$w_buff1_used = a$w_buff0_used [L739] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L741] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L742] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L743] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L744] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L745] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L785] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L788] 3 z = 1 [L791] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L794] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 3 a$flush_delayed = weak$$choice2 [L797] 3 a$mem_tmp = a [L798] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L798] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L799] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L799] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L800] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L800] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L800] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L800] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L801] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L801] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L802] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L802] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L803] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L804] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L804] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 __unbuffered_p2_EBX = a [L806] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L806] 3 a = a$flush_delayed ? a$mem_tmp : a [L807] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=2, z=1] [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L810] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L811] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L812] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L813] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L814] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L751] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L751] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L752] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L752] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L753] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L754] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L755] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L772] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L772] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L773] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L773] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L774] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L775] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L839] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L843] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L843] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L844] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L844] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L845] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L845] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L846] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L846] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L847] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L847] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L850] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=2, z=1] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 324 SDtfs, 341 SDslu, 793 SDs, 0 SdLazy, 439 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1334occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 16817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...