/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:28:23,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:28:23,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:28:23,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:28:23,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:28:23,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:28:23,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:28:23,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:28:23,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:28:23,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:28:23,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:28:23,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:28:23,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:28:23,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:28:23,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:28:23,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:28:23,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:28:23,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:28:23,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:28:23,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:28:23,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:28:23,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:28:23,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:28:23,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:28:23,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:28:23,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:28:23,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:28:23,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:28:23,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:28:23,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:28:23,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:28:23,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:28:23,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:28:23,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:28:23,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:28:23,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:28:23,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:28:23,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:28:23,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:28:23,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:28:23,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:28:23,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:28:23,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:28:23,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:28:23,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:28:23,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:28:23,603 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:28:23,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:28:23,604 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:28:23,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:28:23,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:28:23,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:28:23,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:28:23,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:28:23,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:28:23,606 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:28:23,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:28:23,607 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:28:23,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:28:23,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:28:23,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:28:23,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:28:23,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:28:23,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:28:23,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:28:23,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:28:23,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:28:23,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:28:23,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:28:23,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:28:23,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:28:23,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:28:23,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:28:23,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:28:23,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:28:23,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:28:23,955 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:28:23,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2020-10-21 22:28:24,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db945f70/24de3f45fade49789082d60ac598827c/FLAG4f79ea667 [2020-10-21 22:28:24,580 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:28:24,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2020-10-21 22:28:24,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db945f70/24de3f45fade49789082d60ac598827c/FLAG4f79ea667 [2020-10-21 22:28:24,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db945f70/24de3f45fade49789082d60ac598827c [2020-10-21 22:28:24,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:28:24,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:28:24,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:28:24,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:28:24,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:28:24,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:28:24" (1/1) ... [2020-10-21 22:28:24,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454e0396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:24, skipping insertion in model container [2020-10-21 22:28:24,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:28:24" (1/1) ... [2020-10-21 22:28:24,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:28:24,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:28:25,550 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,552 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,552 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,554 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:28:25,637 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:28:25,676 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,677 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,677 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,678 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-21 22:28:25,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:28:25,852 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:28:25,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25 WrapperNode [2020-10-21 22:28:25,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:28:25,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:28:25,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:28:25,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:28:25,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:28:25,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:28:25,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:28:25,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:28:25,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (1/1) ... [2020-10-21 22:28:25,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:28:25,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:28:25,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:28:25,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:28:25,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (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 [2020-10-21 22:28:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:28:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-21 22:28:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:28:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 22:28:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:28:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 22:28:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-21 22:28:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-21 22:28:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-21 22:28:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-21 22:28:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:28:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:28:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:28:26,071 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:28:26,735 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:28:26,735 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-21 22:28:26,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:28:26 BoogieIcfgContainer [2020-10-21 22:28:26,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:28:26,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:28:26,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:28:26,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:28:26,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:28:24" (1/3) ... [2020-10-21 22:28:26,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:28:26, skipping insertion in model container [2020-10-21 22:28:26,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:28:25" (2/3) ... [2020-10-21 22:28:26,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:28:26, skipping insertion in model container [2020-10-21 22:28:26,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:28:26" (3/3) ... [2020-10-21 22:28:26,749 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2020-10-21 22:28:26,758 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:28:26,759 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:28:26,765 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:28:26,765 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:28:26,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,810 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,810 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,814 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,818 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,819 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,819 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,820 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,821 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,821 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,822 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,822 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,823 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,823 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,823 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,825 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,826 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,826 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,826 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,827 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,827 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,827 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,827 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,827 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,828 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,828 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,828 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,828 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,828 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,829 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,829 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,829 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,829 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,829 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,830 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,830 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,830 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,830 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,834 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,834 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,834 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,835 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,836 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,837 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,837 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,837 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,837 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,837 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,838 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,839 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,839 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,839 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,839 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,839 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,840 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,840 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:28:26,846 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-21 22:28:26,859 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 22:28:26,879 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:28:26,879 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:28:26,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:28:26,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:28:26,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:28:26,880 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:28:26,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:28:26,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:28:26,898 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:28:26,901 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 230 transitions, 468 flow [2020-10-21 22:28:26,904 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 230 transitions, 468 flow [2020-10-21 22:28:26,905 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 205 places, 230 transitions, 468 flow [2020-10-21 22:28:26,988 INFO L129 PetriNetUnfolder]: 30/244 cut-off events. [2020-10-21 22:28:26,988 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-21 22:28:26,995 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 244 events. 30/244 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 529 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2020-10-21 22:28:27,001 INFO L116 LiptonReduction]: Number of co-enabled transitions 3382 [2020-10-21 22:28:27,719 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:27,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:27,766 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:27,766 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-21 22:28:27,942 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:27,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:27,964 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:27,966 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-21 22:28:28,437 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:28,460 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,476 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:28,478 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,478 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-21 22:28:28,490 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,509 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:28,514 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:28,532 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:28,532 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-21 22:28:31,165 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-21 22:28:31,187 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:31,225 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:31,226 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:31,226 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:225, output treesize:236 [2020-10-21 22:28:31,938 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:31,962 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:31,965 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:31,983 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:31,985 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:31,985 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:117, output treesize:119 [2020-10-21 22:28:31,999 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:32,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:32,025 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:32,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:32,055 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:32,056 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:115, output treesize:117 [2020-10-21 22:28:34,346 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:34,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:34,381 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:34,382 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:80 [2020-10-21 22:28:34,525 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:34,559 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:34,562 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:34,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:34,595 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:34,596 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-21 22:28:35,009 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-21 22:28:35,790 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-21 22:28:35,805 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:35,867 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:35,868 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:35,868 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:147, output treesize:135 [2020-10-21 22:28:36,283 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-21 22:28:36,435 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-21 22:28:36,721 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-21 22:28:36,828 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-21 22:28:37,079 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-21 22:28:37,209 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-21 22:28:38,830 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 141 [2020-10-21 22:28:38,867 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:41,043 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 131 [2020-10-21 22:28:41,044 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:28:41,047 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-10-21 22:28:41,047 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:871, output treesize:1065 [2020-10-21 22:28:43,164 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 131 [2020-10-21 22:28:43,315 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-21 22:28:46,212 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-21 22:28:48,715 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-21 22:28:48,750 INFO L131 LiptonReduction]: Checked pairs total: 3418 [2020-10-21 22:28:48,750 INFO L133 LiptonReduction]: Total number of compositions: 234 [2020-10-21 22:28:48,756 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2020-10-21 22:28:48,768 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 107 states. [2020-10-21 22:28:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-21 22:28:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 22:28:48,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:48,780 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-21 22:28:48,781 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:48,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:48,786 INFO L82 PathProgramCache]: Analyzing trace with hash -168000962, now seen corresponding path program 1 times [2020-10-21 22:28:48,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:48,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326138445] [2020-10-21 22:28:48,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:28:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:28:49,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326138445] [2020-10-21 22:28:49,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:28:49,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:28:49,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479215500] [2020-10-21 22:28:49,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:28:49,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:49,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:28:49,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:28:49,026 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-10-21 22:28:49,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:49,153 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2020-10-21 22:28:49,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:28:49,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 22:28:49,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:49,170 INFO L225 Difference]: With dead ends: 109 [2020-10-21 22:28:49,170 INFO L226 Difference]: Without dead ends: 102 [2020-10-21 22:28:49,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:28:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-21 22:28:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2020-10-21 22:28:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-21 22:28:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 198 transitions. [2020-10-21 22:28:49,217 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 198 transitions. Word has length 7 [2020-10-21 22:28:49,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:49,218 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 198 transitions. [2020-10-21 22:28:49,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:28:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2020-10-21 22:28:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:28:49,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:49,219 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:28:49,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:28:49,219 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:49,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:49,220 INFO L82 PathProgramCache]: Analyzing trace with hash 758532121, now seen corresponding path program 1 times [2020-10-21 22:28:49,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:49,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623962040] [2020-10-21 22:28:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:28:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:28:49,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623962040] [2020-10-21 22:28:49,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:28:49,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:28:49,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122414230] [2020-10-21 22:28:49,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:28:49,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:49,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:28:49,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:28:49,296 INFO L87 Difference]: Start difference. First operand 101 states and 198 transitions. Second operand 3 states. [2020-10-21 22:28:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:49,390 INFO L93 Difference]: Finished difference Result 102 states and 199 transitions. [2020-10-21 22:28:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:28:49,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 22:28:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:49,392 INFO L225 Difference]: With dead ends: 102 [2020-10-21 22:28:49,392 INFO L226 Difference]: Without dead ends: 102 [2020-10-21 22:28:49,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:28:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-21 22:28:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-21 22:28:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-21 22:28:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 199 transitions. [2020-10-21 22:28:49,404 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 199 transitions. Word has length 9 [2020-10-21 22:28:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:49,405 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 199 transitions. [2020-10-21 22:28:49,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:28:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2020-10-21 22:28:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:28:49,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:49,406 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:28:49,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:28:49,406 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:49,407 INFO L82 PathProgramCache]: Analyzing trace with hash 688332663, now seen corresponding path program 1 times [2020-10-21 22:28:49,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:49,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606441185] [2020-10-21 22:28:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:49,431 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-21 22:28:49,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105987644] [2020-10-21 22:28:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:28:49,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 22:28:49,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:28:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:28:49,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606441185] [2020-10-21 22:28:49,588 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-21 22:28:49,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105987644] [2020-10-21 22:28:49,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-21 22:28:49,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-21 22:28:49,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474625189] [2020-10-21 22:28:49,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:28:49,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:49,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:28:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:28:49,590 INFO L87 Difference]: Start difference. First operand 102 states and 199 transitions. Second operand 4 states. [2020-10-21 22:28:49,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:49,711 INFO L93 Difference]: Finished difference Result 103 states and 200 transitions. [2020-10-21 22:28:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:28:49,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-21 22:28:49,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:49,713 INFO L225 Difference]: With dead ends: 103 [2020-10-21 22:28:49,713 INFO L226 Difference]: Without dead ends: 103 [2020-10-21 22:28:49,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:28:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-21 22:28:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-21 22:28:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-21 22:28:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 200 transitions. [2020-10-21 22:28:49,724 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 200 transitions. Word has length 10 [2020-10-21 22:28:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:49,724 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 200 transitions. [2020-10-21 22:28:49,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:28:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2020-10-21 22:28:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:28:49,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:49,726 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:28:49,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-21 22:28:49,940 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:49,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:49,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1487850535, now seen corresponding path program 2 times [2020-10-21 22:28:49,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:49,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804862561] [2020-10-21 22:28:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:49,974 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-21 22:28:49,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802306197] [2020-10-21 22:28:49,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:50,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 22:28:50,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:28:50,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-21 22:28:50,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:28:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:28:50,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804862561] [2020-10-21 22:28:50,141 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-21 22:28:50,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802306197] [2020-10-21 22:28:50,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-21 22:28:50,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-21 22:28:50,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839759219] [2020-10-21 22:28:50,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:28:50,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:50,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:28:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:28:50,143 INFO L87 Difference]: Start difference. First operand 103 states and 200 transitions. Second operand 5 states. [2020-10-21 22:28:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:50,302 INFO L93 Difference]: Finished difference Result 104 states and 201 transitions. [2020-10-21 22:28:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:28:50,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-21 22:28:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:50,304 INFO L225 Difference]: With dead ends: 104 [2020-10-21 22:28:50,304 INFO L226 Difference]: Without dead ends: 104 [2020-10-21 22:28:50,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:28:50,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-21 22:28:50,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-21 22:28:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-21 22:28:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 201 transitions. [2020-10-21 22:28:50,313 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 201 transitions. Word has length 11 [2020-10-21 22:28:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:50,313 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 201 transitions. [2020-10-21 22:28:50,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:28:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-10-21 22:28:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:28:50,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:50,314 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:28:50,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:50,525 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash -230052937, now seen corresponding path program 3 times [2020-10-21 22:28:50,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:50,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694904093] [2020-10-21 22:28:50,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:50,564 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-21 22:28:50,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585230402] [2020-10-21 22:28:50,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:50,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-21 22:28:50,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:28:50,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 22:28:50,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:28:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-21 22:28:50,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694904093] [2020-10-21 22:28:50,703 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-21 22:28:50,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585230402] [2020-10-21 22:28:50,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-21 22:28:50,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-21 22:28:50,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708055542] [2020-10-21 22:28:50,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:28:50,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:50,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:28:50,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:28:50,708 INFO L87 Difference]: Start difference. First operand 104 states and 201 transitions. Second operand 4 states. [2020-10-21 22:28:50,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:50,915 INFO L93 Difference]: Finished difference Result 113 states and 212 transitions. [2020-10-21 22:28:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:28:50,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-21 22:28:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:50,922 INFO L225 Difference]: With dead ends: 113 [2020-10-21 22:28:50,922 INFO L226 Difference]: Without dead ends: 113 [2020-10-21 22:28:50,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:28:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-21 22:28:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2020-10-21 22:28:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-21 22:28:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2020-10-21 22:28:50,931 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 12 [2020-10-21 22:28:50,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:50,931 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2020-10-21 22:28:50,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:28:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2020-10-21 22:28:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:28:50,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:50,932 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-21 22:28:51,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:51,134 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:51,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:51,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1665697246, now seen corresponding path program 4 times [2020-10-21 22:28:51,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:51,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719507007] [2020-10-21 22:28:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:51,170 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-21 22:28:51,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181425705] [2020-10-21 22:28:51,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:51,314 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 22:28:51,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:28:51,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-21 22:28:51,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:28:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-21 22:28:51,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719507007] [2020-10-21 22:28:51,355 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-21 22:28:51,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181425705] [2020-10-21 22:28:51,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-21 22:28:51,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-21 22:28:51,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753862792] [2020-10-21 22:28:51,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:28:51,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:28:51,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:28:51,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:28:51,357 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand 6 states. [2020-10-21 22:28:51,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:28:51,551 INFO L93 Difference]: Finished difference Result 111 states and 209 transitions. [2020-10-21 22:28:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:28:51,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 22:28:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:28:51,553 INFO L225 Difference]: With dead ends: 111 [2020-10-21 22:28:51,553 INFO L226 Difference]: Without dead ends: 111 [2020-10-21 22:28:51,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:28:51,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-21 22:28:51,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-21 22:28:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-21 22:28:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 209 transitions. [2020-10-21 22:28:51,564 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 209 transitions. Word has length 17 [2020-10-21 22:28:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:28:51,565 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 209 transitions. [2020-10-21 22:28:51,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:28:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2020-10-21 22:28:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 22:28:51,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:28:51,566 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-21 22:28:51,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:28:51,779 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:28:51,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:28:51,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1684352180, now seen corresponding path program 5 times [2020-10-21 22:28:51,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:28:51,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139907037] [2020-10-21 22:28:51,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:28:51,796 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-21 22:28:51,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116577550] [2020-10-21 22:28:51,797 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown