/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_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:27:14,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:27:14,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:27:14,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:27:14,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:27:14,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:27:14,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:27:14,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:27:14,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:27:14,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:27:14,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:27:14,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:27:14,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:27:14,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:27:14,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:27:14,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:27:14,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:27:14,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:27:14,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:27:14,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:27:14,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:27:14,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:27:14,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:27:14,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:27:14,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:27:14,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:27:14,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:27:14,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:27:14,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:27:14,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:27:14,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:27:14,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:27:14,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:27:14,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:27:14,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:27:14,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:27:14,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:27:14,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:27:14,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:27:14,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:27:14,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:27:14,483 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 22:27:14,517 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:27:14,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:27:14,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:27:14,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:27:14,518 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:27:14,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:27:14,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:27:14,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:27:14,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:27:14,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:27:14,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:27:14,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:27:14,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:27:14,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:27:14,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:27:14,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:27:14,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:27:14,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:27:14,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:27:14,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:27:14,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:27:14,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:27:14,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:27:14,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:27:14,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:27:14,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:27:14,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:27:14,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:27:14,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:27:14,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:27:14,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:27:14,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:27:14,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:27:14,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:27:14,831 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:27:14,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2020-10-21 22:27:14,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da4994444/8d6b25c177fd403a8c65236f865a5a17/FLAG9dd145b62 [2020-10-21 22:27:15,434 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:27:15,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2020-10-21 22:27:15,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da4994444/8d6b25c177fd403a8c65236f865a5a17/FLAG9dd145b62 [2020-10-21 22:27:15,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da4994444/8d6b25c177fd403a8c65236f865a5a17 [2020-10-21 22:27:15,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:27:15,738 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:27:15,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:27:15,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:27:15,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:27:15,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:27:15" (1/1) ... [2020-10-21 22:27:15,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420dc8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:15, skipping insertion in model container [2020-10-21 22:27:15,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:27:15" (1/1) ... [2020-10-21 22:27:15,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:27:15,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:27:16,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:27:16,546 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:27:16,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:27:16,760 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:27:16,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16 WrapperNode [2020-10-21 22:27:16,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:27:16,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:27:16,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:27:16,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:27:16,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:27:16,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:27:16,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:27:16,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:27:16,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (1/1) ... [2020-10-21 22:27:16,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:27:16,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:27:16,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:27:16,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:27:16,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (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 22:27:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:27:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-21 22:27:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2020-10-21 22:27:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2020-10-21 22:27:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:27:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 22:27:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2020-10-21 22:27:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2020-10-21 22:27:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:27:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 22:27:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-21 22:27:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-21 22:27:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:27:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:27:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:27:17,002 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 22:27:17,606 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:27:17,607 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-21 22:27:17,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:27:17 BoogieIcfgContainer [2020-10-21 22:27:17,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:27:17,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:27:17,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:27:17,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:27:17,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:27:15" (1/3) ... [2020-10-21 22:27:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f08031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:27:17, skipping insertion in model container [2020-10-21 22:27:17,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:27:16" (2/3) ... [2020-10-21 22:27:17,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f08031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:27:17, skipping insertion in model container [2020-10-21 22:27:17,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:27:17" (3/3) ... [2020-10-21 22:27:17,620 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2020-10-21 22:27:17,637 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:27:17,638 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:27:17,655 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:27:17,656 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:27:17,747 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,748 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,748 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,748 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,748 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,749 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,749 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,749 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,749 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,750 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,751 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,754 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,754 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,754 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,754 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,755 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,755 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,755 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,755 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,755 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,756 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,756 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,756 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,757 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,758 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,758 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,758 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,758 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,759 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,759 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,759 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,759 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,759 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,760 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,760 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,762 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,762 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,763 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,765 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,765 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,766 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,766 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,766 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,766 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,766 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,767 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,768 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,768 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,769 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,770 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,770 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,770 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,771 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,772 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,772 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,773 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,773 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,773 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,774 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,775 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,775 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,775 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,776 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,776 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,776 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,777 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,777 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,777 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,777 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,777 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,778 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,778 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,778 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,778 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,779 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,779 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,779 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,781 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,781 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,782 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,786 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,787 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,788 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,788 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,795 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,795 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,795 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,796 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,796 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,796 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,796 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,796 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,797 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,798 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,798 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,798 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,798 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,798 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,799 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,799 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,801 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,801 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,801 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,801 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,802 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,802 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,802 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,802 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,803 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,803 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,803 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,803 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,804 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,804 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,804 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,805 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,805 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,805 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,810 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,811 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,812 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,813 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,813 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,815 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,816 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,816 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,816 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,816 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,816 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,817 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,817 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,817 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,817 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,817 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,818 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,818 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,819 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,820 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,821 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,822 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,822 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,822 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,822 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,823 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,824 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,825 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,825 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,825 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,825 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,825 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,826 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,827 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,827 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,832 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,832 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,832 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,832 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,833 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,833 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,833 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,833 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,834 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,839 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,839 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,839 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,839 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,840 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,847 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,847 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,847 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,847 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,848 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,848 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,857 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,857 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,857 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,858 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,859 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,859 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,859 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,861 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,862 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,862 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,863 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,864 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,864 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,864 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,864 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,864 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,865 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,865 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,865 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:27:17,879 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 22:27:17,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 22:27:17,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:27:17,913 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:27:17,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:27:17,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:27:17,913 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:27:17,913 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:27:17,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:27:17,913 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:27:17,930 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:27:17,932 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 216 transitions, 454 flow [2020-10-21 22:27:17,935 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 216 transitions, 454 flow [2020-10-21 22:27:17,937 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 195 places, 216 transitions, 454 flow [2020-10-21 22:27:18,108 INFO L129 PetriNetUnfolder]: 56/406 cut-off events. [2020-10-21 22:27:18,109 INFO L130 PetriNetUnfolder]: For 8/16 co-relation queries the response was YES. [2020-10-21 22:27:18,125 INFO L80 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 406 events. 56/406 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1673 event pairs, 0 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 207. Up to 8 conditions per place. [2020-10-21 22:27:18,142 INFO L116 LiptonReduction]: Number of co-enabled transitions 14562 [2020-10-21 22:27:18,964 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 22:27:18,982 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:18,986 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 22:27:18,998 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:18,999 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 22:27:19,000 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:55 [2020-10-21 22:27:19,779 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 22:27:19,800 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:19,804 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 22:27:19,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:19,826 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 22:27:19,826 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:101 [2020-10-21 22:27:19,839 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 22:27:19,861 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:19,862 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 22:27:19,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:107 [2020-10-21 22:27:22,302 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 22:27:22,323 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:22,325 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 22:27:22,325 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:128, output treesize:132 [2020-10-21 22:27:22,360 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 22:27:22,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:22,386 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 22:27:22,404 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:22,405 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 22:27:22,405 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:119, output treesize:121 [2020-10-21 22:27:22,421 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 22:27:22,441 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:22,442 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 22:27:22,442 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:125 [2020-10-21 22:27:24,585 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 22:27:24,607 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:24,611 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 22:27:24,631 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:24,633 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 22:27:24,634 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:101 [2020-10-21 22:27:24,649 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 22:27:24,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:24,670 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 22:27:24,670 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:107 [2020-10-21 22:27:27,580 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 22:27:27,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:27,601 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 22:27:27,602 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:107 [2020-10-21 22:27:27,621 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 22:27:27,642 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:27,646 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 22:27:27,664 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:27,666 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 22:27:27,666 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:101 [2020-10-21 22:27:29,812 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 22:27:29,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:29,845 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 22:27:29,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:29,874 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 22:27:29,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-21 22:27:29,897 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 22:27:29,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:29,930 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 22:27:29,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:29,956 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 22:27:29,957 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:104 [2020-10-21 22:27:31,992 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 22:27:32,018 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:32,024 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 22:27:32,051 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:32,052 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 22:27:32,053 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:117, output treesize:119 [2020-10-21 22:27:32,073 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 22:27:32,093 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:32,097 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 22:27:32,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:32,116 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 22:27:32,116 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:115, output treesize:117 [2020-10-21 22:27:34,347 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 22:27:34,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:34,364 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 22:27:34,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:34,378 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 22:27:34,379 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:96, output treesize:98 [2020-10-21 22:27:34,389 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 22:27:34,402 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:34,402 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 22:27:34,402 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:104 [2020-10-21 22:27:36,453 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 22:27:36,456 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 22:27:36,463 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:36,919 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-10-21 22:27:36,920 INFO L625 ElimStorePlain]: treesize reduction 8, result has 97.8 percent of original size [2020-10-21 22:27:36,921 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2020-10-21 22:27:36,921 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:369, output treesize:364 [2020-10-21 22:27:36,947 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 22:27:36,952 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 22:27:36,957 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:37,461 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-10-21 22:27:37,461 INFO L625 ElimStorePlain]: treesize reduction 8, result has 97.7 percent of original size [2020-10-21 22:27:37,466 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:37,479 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:37,485 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:38,032 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-21 22:27:38,032 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:38,034 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-10-21 22:27:38,034 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:348, output treesize:346 [2020-10-21 22:27:40,136 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 22:27:40,162 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:40,165 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 22:27:40,188 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:40,189 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 22:27:40,190 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:101 [2020-10-21 22:27:40,204 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 22:27:40,226 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:40,227 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 22:27:40,227 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:107 [2020-10-21 22:27:42,470 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 22:27:42,509 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:42,513 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 22:27:42,537 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:42,538 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 22:27:42,538 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:104 [2020-10-21 22:27:42,546 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 22:27:42,576 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:42,580 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 22:27:42,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:42,606 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 22:27:42,606 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-21 22:27:44,621 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 22:27:44,627 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 22:27:44,631 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:45,196 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-10-21 22:27:45,197 INFO L625 ElimStorePlain]: treesize reduction 8, result has 97.7 percent of original size [2020-10-21 22:27:45,203 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:45,213 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:45,224 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:45,569 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-21 22:27:45,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:45,571 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-10-21 22:27:45,571 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:348, output treesize:346 [2020-10-21 22:27:45,621 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 22:27:45,626 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 22:27:45,630 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 22:27:46,042 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-10-21 22:27:46,043 INFO L625 ElimStorePlain]: treesize reduction 8, result has 97.8 percent of original size [2020-10-21 22:27:46,044 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2020-10-21 22:27:46,044 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:369, output treesize:364 [2020-10-21 22:27:48,261 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-10-21 22:27:48,460 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-21 22:27:48,567 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-21 22:27:48,776 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 22:27:48,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:48,791 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 22:27:48,791 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:104 [2020-10-21 22:27:48,805 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 22:27:48,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:48,827 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 22:27:48,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 22:27:48,843 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 22:27:48,844 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:96, output treesize:98 [2020-10-21 22:27:51,087 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-21 22:27:51,220 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-21 22:27:51,868 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2020-10-21 22:27:52,071 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-21 22:27:52,159 INFO L131 LiptonReduction]: Checked pairs total: 27698 [2020-10-21 22:27:52,159 INFO L133 LiptonReduction]: Total number of compositions: 182 [2020-10-21 22:27:52,164 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 69 transitions, 160 flow [2020-10-21 22:27:52,307 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2684 states. [2020-10-21 22:27:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states. [2020-10-21 22:27:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 22:27:52,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:52,316 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-21 22:27:52,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:52,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1952529911, now seen corresponding path program 1 times [2020-10-21 22:27:52,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:52,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080864840] [2020-10-21 22:27:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:52,543 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 22:27:52,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080864840] [2020-10-21 22:27:52,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:27:52,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:27:52,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581830304] [2020-10-21 22:27:52,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:27:52,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:27:52,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:27:52,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:27:52,566 INFO L87 Difference]: Start difference. First operand 2684 states. Second operand 3 states. [2020-10-21 22:27:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:27:52,667 INFO L93 Difference]: Finished difference Result 2685 states and 7259 transitions. [2020-10-21 22:27:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:27:52,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 22:27:52,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:27:52,699 INFO L225 Difference]: With dead ends: 2685 [2020-10-21 22:27:52,699 INFO L226 Difference]: Without dead ends: 1665 [2020-10-21 22:27:52,701 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 22:27:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2020-10-21 22:27:52,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2020-10-21 22:27:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-10-21 22:27:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 4417 transitions. [2020-10-21 22:27:52,855 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 4417 transitions. Word has length 7 [2020-10-21 22:27:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:27:52,855 INFO L481 AbstractCegarLoop]: Abstraction has 1665 states and 4417 transitions. [2020-10-21 22:27:52,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:27:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 4417 transitions. [2020-10-21 22:27:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 22:27:52,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:52,857 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-21 22:27:52,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:27:52,857 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:52,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:52,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1849427975, now seen corresponding path program 1 times [2020-10-21 22:27:52,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:52,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303488086] [2020-10-21 22:27:52,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:52,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303488086] [2020-10-21 22:27:52,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910121592] [2020-10-21 22:27:52,981 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 22:27:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:53,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 22:27:53,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:27:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:53,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:27:53,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-21 22:27:53,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829790077] [2020-10-21 22:27:53,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:27:53,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:27:53,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:27:53,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:27:53,119 INFO L87 Difference]: Start difference. First operand 1665 states and 4417 transitions. Second operand 4 states. [2020-10-21 22:27:53,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:27:53,163 INFO L93 Difference]: Finished difference Result 1666 states and 4418 transitions. [2020-10-21 22:27:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:27:53,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-21 22:27:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:27:53,174 INFO L225 Difference]: With dead ends: 1666 [2020-10-21 22:27:53,174 INFO L226 Difference]: Without dead ends: 1666 [2020-10-21 22:27:53,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 22:27:53,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-10-21 22:27:53,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2020-10-21 22:27:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-10-21 22:27:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 4418 transitions. [2020-10-21 22:27:53,223 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 4418 transitions. Word has length 8 [2020-10-21 22:27:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:27:53,223 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 4418 transitions. [2020-10-21 22:27:53,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:27:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 4418 transitions. [2020-10-21 22:27:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:27:53,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:53,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-10-21 22:27:53,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-21 22:27:53,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:53,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:53,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1346732041, now seen corresponding path program 2 times [2020-10-21 22:27:53,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:53,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842440197] [2020-10-21 22:27:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:53,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842440197] [2020-10-21 22:27:53,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384534794] [2020-10-21 22:27:53,547 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 22:27:53,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 22:27:53,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:27:53,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-21 22:27:53,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:27:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:53,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:27:53,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-21 22:27:53,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776755444] [2020-10-21 22:27:53,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:27:53,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:27:53,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:27:53,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:27:53,643 INFO L87 Difference]: Start difference. First operand 1666 states and 4418 transitions. Second operand 5 states. [2020-10-21 22:27:53,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:27:53,691 INFO L93 Difference]: Finished difference Result 1667 states and 4419 transitions. [2020-10-21 22:27:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:27:53,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-21 22:27:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:27:53,702 INFO L225 Difference]: With dead ends: 1667 [2020-10-21 22:27:53,702 INFO L226 Difference]: Without dead ends: 1667 [2020-10-21 22:27:53,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 22:27:53,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-10-21 22:27:53,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2020-10-21 22:27:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2020-10-21 22:27:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 4419 transitions. [2020-10-21 22:27:53,747 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 4419 transitions. Word has length 9 [2020-10-21 22:27:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:27:53,748 INFO L481 AbstractCegarLoop]: Abstraction has 1667 states and 4419 transitions. [2020-10-21 22:27:53,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:27:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 4419 transitions. [2020-10-21 22:27:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:27:53,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:53,749 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2020-10-21 22:27:53,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:27:53,964 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:53,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1643444729, now seen corresponding path program 3 times [2020-10-21 22:27:53,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:53,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712260020] [2020-10-21 22:27:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:54,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712260020] [2020-10-21 22:27:54,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174765441] [2020-10-21 22:27:54,101 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 22:27:54,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-21 22:27:54,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:27:54,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-21 22:27:54,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:27:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:54,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:27:54,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-21 22:27:54,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864307936] [2020-10-21 22:27:54,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:27:54,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:27:54,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:27:54,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:27:54,483 INFO L87 Difference]: Start difference. First operand 1667 states and 4419 transitions. Second operand 6 states. [2020-10-21 22:27:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:27:54,533 INFO L93 Difference]: Finished difference Result 1668 states and 4420 transitions. [2020-10-21 22:27:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:27:54,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-21 22:27:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:27:54,544 INFO L225 Difference]: With dead ends: 1668 [2020-10-21 22:27:54,545 INFO L226 Difference]: Without dead ends: 1668 [2020-10-21 22:27:54,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 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 22:27:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-21 22:27:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2020-10-21 22:27:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-10-21 22:27:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 4420 transitions. [2020-10-21 22:27:54,591 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 4420 transitions. Word has length 10 [2020-10-21 22:27:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:27:54,592 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 4420 transitions. [2020-10-21 22:27:54,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:27:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 4420 transitions. [2020-10-21 22:27:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:27:54,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:54,593 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1] [2020-10-21 22:27:54,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:27:54,806 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:54,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2043363831, now seen corresponding path program 4 times [2020-10-21 22:27:54,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:54,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890974428] [2020-10-21 22:27:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:54,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890974428] [2020-10-21 22:27:54,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056965744] [2020-10-21 22:27:54,877 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 22:27:54,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 22:27:54,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:27:54,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-21 22:27:54,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:27:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:54,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:27:54,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-21 22:27:54,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66750889] [2020-10-21 22:27:54,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:27:54,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:27:54,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:27:54,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:27:54,996 INFO L87 Difference]: Start difference. First operand 1668 states and 4420 transitions. Second operand 7 states. [2020-10-21 22:27:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:27:55,043 INFO L93 Difference]: Finished difference Result 1669 states and 4421 transitions. [2020-10-21 22:27:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:27:55,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-21 22:27:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:27:55,053 INFO L225 Difference]: With dead ends: 1669 [2020-10-21 22:27:55,053 INFO L226 Difference]: Without dead ends: 1669 [2020-10-21 22:27:55,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:27:55,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-21 22:27:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2020-10-21 22:27:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2020-10-21 22:27:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 4421 transitions. [2020-10-21 22:27:55,099 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 4421 transitions. Word has length 11 [2020-10-21 22:27:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:27:55,100 INFO L481 AbstractCegarLoop]: Abstraction has 1669 states and 4421 transitions. [2020-10-21 22:27:55,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:27:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 4421 transitions. [2020-10-21 22:27:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:27:55,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:27:55,101 INFO L422 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1] [2020-10-21 22:27:55,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:27:55,316 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:27:55,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:27:55,316 INFO L82 PathProgramCache]: Analyzing trace with hash -370312199, now seen corresponding path program 5 times [2020-10-21 22:27:55,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:27:55,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626430707] [2020-10-21 22:27:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:27:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:27:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:27:55,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626430707] [2020-10-21 22:27:55,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134933978] [2020-10-21 22:27:55,390 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 [2020-10-21 22:29:04,027 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-21 22:29:04,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:29:05,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-21 22:29:05,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:29:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:05,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:29:05,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-21 22:29:05,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226676680] [2020-10-21 22:29:05,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 22:29:05,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:29:05,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 22:29:05,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:29:05,369 INFO L87 Difference]: Start difference. First operand 1669 states and 4421 transitions. Second operand 8 states. [2020-10-21 22:29:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:29:05,420 INFO L93 Difference]: Finished difference Result 1670 states and 4422 transitions. [2020-10-21 22:29:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:29:05,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-21 22:29:05,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:29:05,430 INFO L225 Difference]: With dead ends: 1670 [2020-10-21 22:29:05,430 INFO L226 Difference]: Without dead ends: 1670 [2020-10-21 22:29:05,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:29:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-21 22:29:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2020-10-21 22:29:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2020-10-21 22:29:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 4422 transitions. [2020-10-21 22:29:05,470 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 4422 transitions. Word has length 12 [2020-10-21 22:29:05,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:29:05,471 INFO L481 AbstractCegarLoop]: Abstraction has 1670 states and 4422 transitions. [2020-10-21 22:29:05,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 22:29:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 4422 transitions. [2020-10-21 22:29:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:29:05,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:29:05,472 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1] [2020-10-21 22:29:05,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-21 22:29:05,686 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:29:05,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:29:05,687 INFO L82 PathProgramCache]: Analyzing trace with hash -45319159, now seen corresponding path program 6 times [2020-10-21 22:29:05,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:29:05,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836500030] [2020-10-21 22:29:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:29:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:29:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:05,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836500030] [2020-10-21 22:29:05,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842065516] [2020-10-21 22:29:05,778 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:29:07,882 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-10-21 22:29:07,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:29:07,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-21 22:29:07,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:29:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:07,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:29:07,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-21 22:29:07,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4532049] [2020-10-21 22:29:07,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 22:29:07,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:29:07,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 22:29:07,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:29:07,908 INFO L87 Difference]: Start difference. First operand 1670 states and 4422 transitions. Second operand 9 states. [2020-10-21 22:29:07,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:29:07,992 INFO L93 Difference]: Finished difference Result 1671 states and 4423 transitions. [2020-10-21 22:29:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:29:07,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-21 22:29:07,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:29:08,005 INFO L225 Difference]: With dead ends: 1671 [2020-10-21 22:29:08,005 INFO L226 Difference]: Without dead ends: 1671 [2020-10-21 22:29:08,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:29:08,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-21 22:29:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2020-10-21 22:29:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-10-21 22:29:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 4423 transitions. [2020-10-21 22:29:08,050 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 4423 transitions. Word has length 13 [2020-10-21 22:29:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:29:08,050 INFO L481 AbstractCegarLoop]: Abstraction has 1671 states and 4423 transitions. [2020-10-21 22:29:08,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 22:29:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 4423 transitions. [2020-10-21 22:29:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:29:08,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:29:08,052 INFO L422 BasicCegarLoop]: trace histogram [7, 2, 1, 1, 1, 1, 1] [2020-10-21 22:29:08,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:29:08,266 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:29:08,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:29:08,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1439530489, now seen corresponding path program 7 times [2020-10-21 22:29:08,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:29:08,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265402727] [2020-10-21 22:29:08,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:29:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:29:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:08,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265402727] [2020-10-21 22:29:08,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770805220] [2020-10-21 22:29:08,362 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:29:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:29:08,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-21 22:29:08,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:29:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:08,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:29:08,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-21 22:29:08,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70514051] [2020-10-21 22:29:08,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 22:29:08,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:29:08,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 22:29:08,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:29:08,493 INFO L87 Difference]: Start difference. First operand 1671 states and 4423 transitions. Second operand 10 states. [2020-10-21 22:29:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:29:08,543 INFO L93 Difference]: Finished difference Result 1672 states and 4424 transitions. [2020-10-21 22:29:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 22:29:08,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-21 22:29:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:29:08,553 INFO L225 Difference]: With dead ends: 1672 [2020-10-21 22:29:08,553 INFO L226 Difference]: Without dead ends: 1672 [2020-10-21 22:29:08,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:29:08,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-21 22:29:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-10-21 22:29:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-10-21 22:29:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 4424 transitions. [2020-10-21 22:29:08,592 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 4424 transitions. Word has length 14 [2020-10-21 22:29:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:29:08,592 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 4424 transitions. [2020-10-21 22:29:08,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 22:29:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 4424 transitions. [2020-10-21 22:29:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:29:08,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:29:08,593 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 1, 1, 1, 1, 1] [2020-10-21 22:29:08,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:29:08,808 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:29:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:29:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash 225229321, now seen corresponding path program 8 times [2020-10-21 22:29:08,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:29:08,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267341469] [2020-10-21 22:29:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:29:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:29:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:08,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267341469] [2020-10-21 22:29:08,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661772105] [2020-10-21 22:29:08,927 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:29:09,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 22:29:09,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:29:09,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-21 22:29:09,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:29:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:09,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:29:09,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-21 22:29:09,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600002421] [2020-10-21 22:29:09,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 22:29:09,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:29:09,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 22:29:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:29:09,047 INFO L87 Difference]: Start difference. First operand 1672 states and 4424 transitions. Second operand 11 states. [2020-10-21 22:29:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:29:09,097 INFO L93 Difference]: Finished difference Result 1673 states and 4425 transitions. [2020-10-21 22:29:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-21 22:29:09,098 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 22:29:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:29:09,106 INFO L225 Difference]: With dead ends: 1673 [2020-10-21 22:29:09,106 INFO L226 Difference]: Without dead ends: 1673 [2020-10-21 22:29:09,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:29:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-21 22:29:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2020-10-21 22:29:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-21 22:29:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 4425 transitions. [2020-10-21 22:29:09,142 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 4425 transitions. Word has length 15 [2020-10-21 22:29:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:29:09,142 INFO L481 AbstractCegarLoop]: Abstraction has 1673 states and 4425 transitions. [2020-10-21 22:29:09,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 22:29:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 4425 transitions. [2020-10-21 22:29:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:29:09,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:29:09,143 INFO L422 BasicCegarLoop]: trace histogram [9, 2, 1, 1, 1, 1, 1] [2020-10-21 22:29:09,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-21 22:29:09,359 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:29:09,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:29:09,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1236598777, now seen corresponding path program 9 times [2020-10-21 22:29:09,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:29:09,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972764398] [2020-10-21 22:29:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:29:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:29:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:29:09,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972764398] [2020-10-21 22:29:09,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919145570] [2020-10-21 22:29:09,470 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:30:06,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-21 22:30:06,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:30:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-21 22:30:07,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:30:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:30:07,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:30:07,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2020-10-21 22:30:07,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064628830] [2020-10-21 22:30:07,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-21 22:30:07,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:30:07,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-21 22:30:07,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-21 22:30:07,102 INFO L87 Difference]: Start difference. First operand 1673 states and 4425 transitions. Second operand 12 states. [2020-10-21 22:30:07,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:30:07,186 INFO L93 Difference]: Finished difference Result 1674 states and 4426 transitions. [2020-10-21 22:30:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-21 22:30:07,187 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-10-21 22:30:07,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:30:07,197 INFO L225 Difference]: With dead ends: 1674 [2020-10-21 22:30:07,198 INFO L226 Difference]: Without dead ends: 1674 [2020-10-21 22:30:07,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-21 22:30:07,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-21 22:30:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2020-10-21 22:30:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-21 22:30:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 4426 transitions. [2020-10-21 22:30:07,232 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 4426 transitions. Word has length 16 [2020-10-21 22:30:07,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:30:07,232 INFO L481 AbstractCegarLoop]: Abstraction has 1674 states and 4426 transitions. [2020-10-21 22:30:07,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-21 22:30:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 4426 transitions. [2020-10-21 22:30:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:30:07,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:30:07,233 INFO L422 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1] [2020-10-21 22:30:07,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:30:07,449 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:30:07,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:30:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1770686455, now seen corresponding path program 10 times [2020-10-21 22:30:07,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:30:07,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856251157] [2020-10-21 22:30:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:30:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:30:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:30:07,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856251157] [2020-10-21 22:30:07,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562859279] [2020-10-21 22:30:07,575 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:30:07,708 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 22:30:07,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 22:30:07,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-21 22:30:07,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 22:30:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:30:07,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 22:30:07,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-21 22:30:07,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338631419] [2020-10-21 22:30:07,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 22:30:07,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:30:07,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 22:30:07,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-21 22:30:07,732 INFO L87 Difference]: Start difference. First operand 1674 states and 4426 transitions. Second operand 13 states. [2020-10-21 22:30:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:30:07,797 INFO L93 Difference]: Finished difference Result 1675 states and 4427 transitions. [2020-10-21 22:30:07,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 22:30:07,798 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2020-10-21 22:30:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:30:07,808 INFO L225 Difference]: With dead ends: 1675 [2020-10-21 22:30:07,808 INFO L226 Difference]: Without dead ends: 1675 [2020-10-21 22:30:07,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-21 22:30:07,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-21 22:30:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2020-10-21 22:30:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2020-10-21 22:30:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 4427 transitions. [2020-10-21 22:30:07,842 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 4427 transitions. Word has length 17 [2020-10-21 22:30:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:30:07,842 INFO L481 AbstractCegarLoop]: Abstraction has 1675 states and 4427 transitions. [2020-10-21 22:30:07,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-21 22:30:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 4427 transitions. [2020-10-21 22:30:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:30:07,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:30:07,843 INFO L422 BasicCegarLoop]: trace histogram [11, 2, 1, 1, 1, 1, 1] [2020-10-21 22:30:08,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 22:30:08,058 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:30:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:30:08,059 INFO L82 PathProgramCache]: Analyzing trace with hash -507248135, now seen corresponding path program 11 times [2020-10-21 22:30:08,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:30:08,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864423665] [2020-10-21 22:30:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:30:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:30:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 22:30:08,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864423665] [2020-10-21 22:30:08,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671761025] [2020-10-21 22:30:08,218 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown