/usr/bin/java -Xmx16000000000 -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/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 19:36:39,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 19:36:39,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 19:36:39,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 19:36:39,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 19:36:39,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 19:36:39,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 19:36:39,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 19:36:39,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 19:36:39,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 19:36:39,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 19:36:39,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 19:36:39,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 19:36:39,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 19:36:39,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 19:36:39,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 19:36:39,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 19:36:39,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 19:36:39,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 19:36:39,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 19:36:39,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 19:36:39,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 19:36:39,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 19:36:39,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 19:36:39,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 19:36:39,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 19:36:39,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 19:36:39,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 19:36:39,531 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 [2020-10-15 19:36:39,556 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 19:36:39,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 19:36:39,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 19:36:39,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 19:36:39,559 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 19:36:39,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 19:36:39,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 19:36:39,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 19:36:39,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 19:36:39,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 19:36:39,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 19:36:39,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 19:36:39,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 19:36:39,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 19:36:39,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 19:36:39,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 19:36:39,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 19:36:39,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 19:36:39,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 19:36:39,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 19:36:39,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 19:36:39,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 19:36:39,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 19:36:39,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 19:36:39,932 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 19:36:39,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-15 19:36:39,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf01869a/9675586c2574439d8e1e7c4f6468f478/FLAGeafef7293 [2020-10-15 19:36:40,439 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 19:36:40,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-15 19:36:40,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf01869a/9675586c2574439d8e1e7c4f6468f478/FLAGeafef7293 [2020-10-15 19:36:40,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf01869a/9675586c2574439d8e1e7c4f6468f478 [2020-10-15 19:36:40,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 19:36:40,756 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 19:36:40,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 19:36:40,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 19:36:40,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 19:36:40,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:40" (1/1) ... [2020-10-15 19:36:40,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d19cec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:40, skipping insertion in model container [2020-10-15 19:36:40,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:40" (1/1) ... [2020-10-15 19:36:40,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 19:36:40,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 19:36:41,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 19:36:41,340 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 19:36:41,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 19:36:41,528 INFO L208 MainTranslator]: Completed translation [2020-10-15 19:36:41,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41 WrapperNode [2020-10-15 19:36:41,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 19:36:41,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 19:36:41,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 19:36:41,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 19:36:41,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 19:36:41,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 19:36:41,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 19:36:41,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 19:36:41,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (1/1) ... [2020-10-15 19:36:41,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 19:36:41,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 19:36:41,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 19:36:41,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 19:36:41,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (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 [2020-10-15 19:36:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-15 19:36:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-15 19:36:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 19:36:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 19:36:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 19:36:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 19:36:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 19:36:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 19:36:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 19:36:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 19:36:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 19:36:41,707 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 19:36:42,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 19:36:42,098 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-15 19:36:42,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:42 BoogieIcfgContainer [2020-10-15 19:36:42,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 19:36:42,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 19:36:42,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 19:36:42,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 19:36:42,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:36:40" (1/3) ... [2020-10-15 19:36:42,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:42, skipping insertion in model container [2020-10-15 19:36:42,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:41" (2/3) ... [2020-10-15 19:36:42,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:42, skipping insertion in model container [2020-10-15 19:36:42,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:42" (3/3) ... [2020-10-15 19:36:42,110 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-10-15 19:36:42,122 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 19:36:42,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 19:36:42,130 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 19:36:42,131 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 19:36:42,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,163 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,163 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:42,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 19:36:42,236 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:36:42,236 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:36:42,236 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:36:42,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:36:42,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:36:42,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:36:42,237 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:36:42,237 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:36:42,255 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:36:42,259 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-15 19:36:42,263 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-15 19:36:42,265 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-15 19:36:42,350 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-15 19:36:42,350 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 19:36:42,362 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-15 19:36:42,367 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-15 19:36:44,077 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-10-15 19:36:44,238 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-15 19:36:44,705 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-15 19:36:45,230 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-15 19:36:45,495 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 19:36:45,500 INFO L132 LiptonReduction]: Checked pairs total: 1201 [2020-10-15 19:36:45,500 INFO L134 LiptonReduction]: Total number of compositions: 82 [2020-10-15 19:36:45,507 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-10-15 19:36:45,516 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-15 19:36:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-15 19:36:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:36:45,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:45,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:36:45,525 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:36:45,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:45,531 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-10-15 19:36:45,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:45,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131229320] [2020-10-15 19:36:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:45,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131229320] [2020-10-15 19:36:45,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:45,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:36:45,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618369313] [2020-10-15 19:36:45,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:36:45,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:45,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:36:45,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:45,762 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-10-15 19:36:45,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:45,801 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-10-15 19:36:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:36:45,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:36:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:45,813 INFO L225 Difference]: With dead ends: 35 [2020-10-15 19:36:45,814 INFO L226 Difference]: Without dead ends: 31 [2020-10-15 19:36:45,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-15 19:36:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-15 19:36:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-15 19:36:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-10-15 19:36:45,853 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-10-15 19:36:45,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:45,854 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-10-15 19:36:45,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:36:45,854 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-10-15 19:36:45,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 19:36:45,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:45,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:45,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 19:36:45,856 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:36:45,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-10-15 19:36:45,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:45,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739077175] [2020-10-15 19:36:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:45,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739077175] [2020-10-15 19:36:45,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:45,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 19:36:45,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587502983] [2020-10-15 19:36:45,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 19:36:45,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:45,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 19:36:45,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 19:36:45,985 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-10-15 19:36:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:46,011 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-10-15 19:36:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 19:36:46,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-15 19:36:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:46,012 INFO L225 Difference]: With dead ends: 26 [2020-10-15 19:36:46,012 INFO L226 Difference]: Without dead ends: 24 [2020-10-15 19:36:46,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 19:36:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-15 19:36:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-15 19:36:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-15 19:36:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-10-15 19:36:46,019 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-10-15 19:36:46,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:46,019 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-10-15 19:36:46,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 19:36:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-10-15 19:36:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 19:36:46,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:46,021 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:46,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 19:36:46,021 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:36:46,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:46,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-10-15 19:36:46,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:46,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134178891] [2020-10-15 19:36:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:46,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:46,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:46,107 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 19:36:46,107 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 19:36:46,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 19:36:46,108 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 19:36:46,109 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 19:36:46,109 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 19:36:46,120 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,120 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,120 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,120 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,120 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,121 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,121 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,121 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,121 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,121 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,122 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,122 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,122 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,123 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,125 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,126 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,126 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,126 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,126 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,126 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,127 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,128 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,128 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,130 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,130 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,145 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,149 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,150 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,150 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,150 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,150 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,150 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,151 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,151 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,151 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,151 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:46,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 19:36:46,160 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:36:46,160 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:36:46,160 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:36:46,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:36:46,161 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:36:46,161 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:36:46,161 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:36:46,161 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:36:46,166 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:36:46,166 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-15 19:36:46,166 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-15 19:36:46,167 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-15 19:36:46,200 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-15 19:36:46,200 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 19:36:46,201 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-15 19:36:46,205 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-15 19:36:48,282 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-10-15 19:36:48,398 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-15 19:36:49,017 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-15 19:36:49,147 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 19:36:49,197 INFO L132 LiptonReduction]: Checked pairs total: 4121 [2020-10-15 19:36:49,197 INFO L134 LiptonReduction]: Total number of compositions: 100 [2020-10-15 19:36:49,198 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-10-15 19:36:49,230 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-10-15 19:36:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-10-15 19:36:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:36:49,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:49,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:36:49,232 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:49,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:49,232 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-10-15 19:36:49,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:49,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597447990] [2020-10-15 19:36:49,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:49,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597447990] [2020-10-15 19:36:49,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:49,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:36:49,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453572563] [2020-10-15 19:36:49,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:36:49,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:49,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:36:49,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:49,296 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-10-15 19:36:49,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:49,375 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-10-15 19:36:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:36:49,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:36:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:49,392 INFO L225 Difference]: With dead ends: 748 [2020-10-15 19:36:49,393 INFO L226 Difference]: Without dead ends: 691 [2020-10-15 19:36:49,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-10-15 19:36:49,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-10-15 19:36:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-15 19:36:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-10-15 19:36:49,494 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-10-15 19:36:49,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:49,494 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-10-15 19:36:49,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:36:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-10-15 19:36:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 19:36:49,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:49,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:49,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 19:36:49,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:49,496 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-10-15 19:36:49,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:49,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854580583] [2020-10-15 19:36:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:49,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854580583] [2020-10-15 19:36:49,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:49,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:36:49,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931692273] [2020-10-15 19:36:49,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:36:49,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:49,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:36:49,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:36:49,560 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-10-15 19:36:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:49,694 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-10-15 19:36:49,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:36:49,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 19:36:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:49,702 INFO L225 Difference]: With dead ends: 900 [2020-10-15 19:36:49,702 INFO L226 Difference]: Without dead ends: 880 [2020-10-15 19:36:49,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:36:49,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-15 19:36:49,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-10-15 19:36:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-15 19:36:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-10-15 19:36:49,733 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-10-15 19:36:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:49,734 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-10-15 19:36:49,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:36:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-10-15 19:36:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 19:36:49,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:49,737 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:49,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 19:36:49,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:49,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:49,738 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-10-15 19:36:49,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:49,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236940119] [2020-10-15 19:36:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:49,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:49,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:49,783 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 19:36:49,783 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 19:36:49,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 19:36:49,784 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 19:36:49,784 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 19:36:49,785 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 19:36:49,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,801 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,801 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:49,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 19:36:49,833 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:36:49,833 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:36:49,833 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:36:49,834 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:36:49,834 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:36:49,834 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:36:49,834 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:36:49,834 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:36:49,836 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:36:49,836 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-15 19:36:49,837 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-15 19:36:49,837 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-15 19:36:49,888 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-15 19:36:49,889 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 19:36:49,893 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-15 19:36:49,905 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-15 19:36:52,714 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-15 19:36:53,284 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-15 19:36:53,676 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-15 19:36:53,798 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 19:36:53,809 INFO L132 LiptonReduction]: Checked pairs total: 8721 [2020-10-15 19:36:53,809 INFO L134 LiptonReduction]: Total number of compositions: 128 [2020-10-15 19:36:53,809 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-10-15 19:36:54,045 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-10-15 19:36:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-10-15 19:36:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:36:54,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:54,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:36:54,046 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:54,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:54,046 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-10-15 19:36:54,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:54,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336133926] [2020-10-15 19:36:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:54,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336133926] [2020-10-15 19:36:54,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:54,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:36:54,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648786976] [2020-10-15 19:36:54,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:36:54,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:54,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:36:54,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:54,125 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-10-15 19:36:54,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:54,232 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-10-15 19:36:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:36:54,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:36:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:54,284 INFO L225 Difference]: With dead ends: 4669 [2020-10-15 19:36:54,284 INFO L226 Difference]: Without dead ends: 4342 [2020-10-15 19:36:54,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-10-15 19:36:54,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-10-15 19:36:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-10-15 19:36:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-10-15 19:36:54,578 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-10-15 19:36:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:54,579 INFO L481 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-10-15 19:36:54,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:36:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-10-15 19:36:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 19:36:54,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:54,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:54,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 19:36:54,581 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:54,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:54,581 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-10-15 19:36:54,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:54,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989247450] [2020-10-15 19:36:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:54,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989247450] [2020-10-15 19:36:54,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:54,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:36:54,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978095472] [2020-10-15 19:36:54,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:36:54,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:54,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:36:54,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:36:54,678 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-10-15 19:36:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:54,882 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-10-15 19:36:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:36:54,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 19:36:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:54,963 INFO L225 Difference]: With dead ends: 6408 [2020-10-15 19:36:54,963 INFO L226 Difference]: Without dead ends: 6352 [2020-10-15 19:36:54,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:36:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-10-15 19:36:55,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-10-15 19:36:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-15 19:36:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-10-15 19:36:55,173 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-10-15 19:36:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:55,174 INFO L481 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-10-15 19:36:55,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:36:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-10-15 19:36:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 19:36:55,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:55,181 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:55,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 19:36:55,181 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:55,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:55,182 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-10-15 19:36:55,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:55,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986252111] [2020-10-15 19:36:55,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:36:55,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986252111] [2020-10-15 19:36:55,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:55,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:36:55,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927613695] [2020-10-15 19:36:55,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:36:55,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:55,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:36:55,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:36:55,256 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-10-15 19:36:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:55,433 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-10-15 19:36:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:36:55,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 19:36:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:55,465 INFO L225 Difference]: With dead ends: 6754 [2020-10-15 19:36:55,465 INFO L226 Difference]: Without dead ends: 6698 [2020-10-15 19:36:55,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:36:55,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-10-15 19:36:55,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-10-15 19:36:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-10-15 19:36:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-10-15 19:36:55,653 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-10-15 19:36:55,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:55,653 INFO L481 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-10-15 19:36:55,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:36:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-10-15 19:36:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 19:36:55,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:55,655 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:55,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 19:36:55,656 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:55,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-10-15 19:36:55,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:55,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227538660] [2020-10-15 19:36:55,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:55,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227538660] [2020-10-15 19:36:55,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:55,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:36:55,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86137271] [2020-10-15 19:36:55,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:36:55,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:55,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:36:55,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:55,705 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-10-15 19:36:55,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:55,734 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-10-15 19:36:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:36:55,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 19:36:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:55,740 INFO L225 Difference]: With dead ends: 1628 [2020-10-15 19:36:55,741 INFO L226 Difference]: Without dead ends: 1628 [2020-10-15 19:36:55,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:36:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-15 19:36:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-10-15 19:36:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-10-15 19:36:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-10-15 19:36:55,798 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-10-15 19:36:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:55,798 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-10-15 19:36:55,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:36:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-10-15 19:36:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:36:55,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:55,800 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:55,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 19:36:55,801 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:55,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:55,802 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-10-15 19:36:55,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:55,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894885591] [2020-10-15 19:36:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:55,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894885591] [2020-10-15 19:36:55,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980576092] [2020-10-15 19:36:55,892 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 [2020-10-15 19:36:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:56,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:36:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:36:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:36:56,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:36:56,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:36:56,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633318229] [2020-10-15 19:36:56,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:36:56,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:56,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:36:56,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:36:56,159 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-10-15 19:36:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:56,545 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-10-15 19:36:56,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:36:56,546 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 19:36:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:56,556 INFO L225 Difference]: With dead ends: 2817 [2020-10-15 19:36:56,556 INFO L226 Difference]: Without dead ends: 2796 [2020-10-15 19:36:56,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:36:56,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-10-15 19:36:56,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-10-15 19:36:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-15 19:36:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-10-15 19:36:56,614 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-10-15 19:36:56,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:56,615 INFO L481 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-10-15 19:36:56,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:36:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-10-15 19:36:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:36:56,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:56,616 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:56,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-15 19:36:56,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:56,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-10-15 19:36:56,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:56,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983389858] [2020-10-15 19:36:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:36:56,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983389858] [2020-10-15 19:36:56,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:56,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:36:56,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683703726] [2020-10-15 19:36:56,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:36:56,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:56,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:36:56,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:36:56,925 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-10-15 19:36:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:57,244 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-10-15 19:36:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:36:57,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 19:36:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:57,253 INFO L225 Difference]: With dead ends: 2731 [2020-10-15 19:36:57,253 INFO L226 Difference]: Without dead ends: 2698 [2020-10-15 19:36:57,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:36:57,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-10-15 19:36:57,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-10-15 19:36:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-10-15 19:36:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-10-15 19:36:57,299 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-10-15 19:36:57,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:57,300 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-10-15 19:36:57,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:36:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-10-15 19:36:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:36:57,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:57,301 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:57,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 19:36:57,302 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:57,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:57,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-10-15 19:36:57,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:57,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778098209] [2020-10-15 19:36:57,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:36:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 19:36:57,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778098209] [2020-10-15 19:36:57,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:36:57,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:36:57,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914732882] [2020-10-15 19:36:57,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:36:57,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:36:57,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:36:57,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:36:57,361 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-10-15 19:36:57,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:36:57,487 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-10-15 19:36:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:36:57,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 19:36:57,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:36:57,494 INFO L225 Difference]: With dead ends: 2245 [2020-10-15 19:36:57,494 INFO L226 Difference]: Without dead ends: 2233 [2020-10-15 19:36:57,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:36:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-10-15 19:36:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-10-15 19:36:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-15 19:36:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-10-15 19:36:57,540 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-10-15 19:36:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:36:57,541 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-10-15 19:36:57,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:36:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-10-15 19:36:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:36:57,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:36:57,543 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:36:57,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 19:36:57,543 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:36:57,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:36:57,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-10-15 19:36:57,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:36:57,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731818501] [2020-10-15 19:36:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:36:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:57,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:36:57,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:36:57,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 19:36:57,576 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 19:36:57,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 19:36:57,577 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 19:36:57,577 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 19:36:57,578 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 19:36:57,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,600 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,619 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,619 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,620 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,620 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,621 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:36:57,640 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 19:36:57,640 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:36:57,641 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:36:57,641 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:36:57,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:36:57,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:36:57,641 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:36:57,641 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:36:57,641 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:36:57,643 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:36:57,643 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-15 19:36:57,644 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-15 19:36:57,644 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-15 19:36:57,680 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-15 19:36:57,680 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 19:36:57,683 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-15 19:36:57,693 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-15 19:37:00,795 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-15 19:37:01,570 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 19:37:01,803 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 19:37:02,185 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-15 19:37:02,311 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 19:37:02,319 INFO L132 LiptonReduction]: Checked pairs total: 11844 [2020-10-15 19:37:02,319 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-15 19:37:02,320 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 48 transitions, 160 flow [2020-10-15 19:37:03,484 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-10-15 19:37:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-10-15 19:37:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:37:03,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:03,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:37:03,485 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:03,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:03,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1182523, now seen corresponding path program 1 times [2020-10-15 19:37:03,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:03,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155623088] [2020-10-15 19:37:03,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:03,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155623088] [2020-10-15 19:37:03,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:03,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:37:03,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038770199] [2020-10-15 19:37:03,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:37:03,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:03,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:37:03,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:03,509 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-10-15 19:37:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:03,671 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-10-15 19:37:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:37:03,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:37:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:03,748 INFO L225 Difference]: With dead ends: 15456 [2020-10-15 19:37:03,749 INFO L226 Difference]: Without dead ends: 14450 [2020-10-15 19:37:03,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:03,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-10-15 19:37:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-10-15 19:37:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-10-15 19:37:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-10-15 19:37:04,425 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-10-15 19:37:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:04,426 INFO L481 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-10-15 19:37:04,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:37:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-10-15 19:37:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 19:37:04,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:04,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:04,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 19:37:04,427 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1868590315, now seen corresponding path program 1 times [2020-10-15 19:37:04,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:04,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98560794] [2020-10-15 19:37:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:04,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98560794] [2020-10-15 19:37:04,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:04,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:37:04,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393079562] [2020-10-15 19:37:04,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:37:04,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:04,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:37:04,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:37:04,464 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-10-15 19:37:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:06,020 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-10-15 19:37:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:37:06,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 19:37:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:06,130 INFO L225 Difference]: With dead ends: 23586 [2020-10-15 19:37:06,131 INFO L226 Difference]: Without dead ends: 23544 [2020-10-15 19:37:06,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:37:06,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-10-15 19:37:06,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-10-15 19:37:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-10-15 19:37:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-10-15 19:37:06,871 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-10-15 19:37:06,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:06,871 INFO L481 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-10-15 19:37:06,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:37:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-10-15 19:37:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 19:37:06,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:06,873 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:06,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 19:37:06,873 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:06,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:06,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1801459304, now seen corresponding path program 1 times [2020-10-15 19:37:06,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:06,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437888576] [2020-10-15 19:37:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:37:06,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437888576] [2020-10-15 19:37:06,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:06,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:37:06,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198062592] [2020-10-15 19:37:06,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:37:06,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:06,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:37:06,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:37:06,908 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-10-15 19:37:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:07,609 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-10-15 19:37:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:37:07,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 19:37:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:07,726 INFO L225 Difference]: With dead ends: 25978 [2020-10-15 19:37:07,726 INFO L226 Difference]: Without dead ends: 25910 [2020-10-15 19:37:07,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:37:07,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-10-15 19:37:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-10-15 19:37:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-10-15 19:37:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-10-15 19:37:08,411 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-10-15 19:37:08,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:08,411 INFO L481 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-10-15 19:37:08,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:37:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-10-15 19:37:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 19:37:08,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:08,413 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:08,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 19:37:08,413 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:08,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:08,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1447988544, now seen corresponding path program 1 times [2020-10-15 19:37:08,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:08,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089193434] [2020-10-15 19:37:08,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:08,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089193434] [2020-10-15 19:37:08,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:08,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:37:08,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096304668] [2020-10-15 19:37:08,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:37:08,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:08,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:37:08,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:08,443 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-10-15 19:37:08,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:08,484 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-10-15 19:37:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:37:08,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 19:37:08,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:08,491 INFO L225 Difference]: With dead ends: 3357 [2020-10-15 19:37:08,491 INFO L226 Difference]: Without dead ends: 3357 [2020-10-15 19:37:08,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-10-15 19:37:08,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-10-15 19:37:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-10-15 19:37:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-10-15 19:37:08,580 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-10-15 19:37:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:08,580 INFO L481 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-10-15 19:37:08,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:37:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-10-15 19:37:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:37:08,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:08,582 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:08,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 19:37:08,582 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:08,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:08,583 INFO L82 PathProgramCache]: Analyzing trace with hash -905254240, now seen corresponding path program 1 times [2020-10-15 19:37:08,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:08,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653509057] [2020-10-15 19:37:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:08,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653509057] [2020-10-15 19:37:08,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955026711] [2020-10-15 19:37:08,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:37:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:08,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:37:08,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:37:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:08,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:37:08,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:37:08,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167618781] [2020-10-15 19:37:08,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:37:08,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:08,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:37:08,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:37:08,798 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 12 states. [2020-10-15 19:37:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:09,245 INFO L93 Difference]: Finished difference Result 5986 states and 16536 transitions. [2020-10-15 19:37:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:37:09,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 19:37:09,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:09,254 INFO L225 Difference]: With dead ends: 5986 [2020-10-15 19:37:09,254 INFO L226 Difference]: Without dead ends: 5962 [2020-10-15 19:37:09,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:37:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2020-10-15 19:37:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3137. [2020-10-15 19:37:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-15 19:37:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 9109 transitions. [2020-10-15 19:37:09,489 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 9109 transitions. Word has length 18 [2020-10-15 19:37:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:09,489 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 9109 transitions. [2020-10-15 19:37:09,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:37:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 9109 transitions. [2020-10-15 19:37:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:37:09,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:09,490 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:09,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:37:09,691 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:09,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1569744228, now seen corresponding path program 1 times [2020-10-15 19:37:09,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:09,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990138187] [2020-10-15 19:37:09,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 19:37:09,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990138187] [2020-10-15 19:37:09,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:09,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:37:09,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101070755] [2020-10-15 19:37:09,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:37:09,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:09,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:37:09,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:37:09,733 INFO L87 Difference]: Start difference. First operand 3137 states and 9109 transitions. Second operand 5 states. [2020-10-15 19:37:09,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:09,880 INFO L93 Difference]: Finished difference Result 5118 states and 14425 transitions. [2020-10-15 19:37:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:37:09,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 19:37:09,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:09,887 INFO L225 Difference]: With dead ends: 5118 [2020-10-15 19:37:09,888 INFO L226 Difference]: Without dead ends: 5108 [2020-10-15 19:37:09,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:37:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2020-10-15 19:37:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 3381. [2020-10-15 19:37:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-10-15 19:37:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-10-15 19:37:09,954 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-10-15 19:37:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:09,954 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-10-15 19:37:09,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:37:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-10-15 19:37:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:37:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:09,955 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:09,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 19:37:09,956 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash 162149792, now seen corresponding path program 1 times [2020-10-15 19:37:09,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:09,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326398768] [2020-10-15 19:37:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:37:10,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326398768] [2020-10-15 19:37:10,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:10,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:37:10,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330475021] [2020-10-15 19:37:10,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:37:10,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:10,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:37:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:37:10,021 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-10-15 19:37:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:10,403 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-10-15 19:37:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:37:10,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 19:37:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:10,412 INFO L225 Difference]: With dead ends: 6300 [2020-10-15 19:37:10,412 INFO L226 Difference]: Without dead ends: 6273 [2020-10-15 19:37:10,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:37:10,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-10-15 19:37:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-10-15 19:37:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-10-15 19:37:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-10-15 19:37:10,484 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-10-15 19:37:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:10,485 INFO L481 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-10-15 19:37:10,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:37:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-10-15 19:37:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:37:10,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:10,487 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:10,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 19:37:10,487 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:10,488 INFO L82 PathProgramCache]: Analyzing trace with hash -287862172, now seen corresponding path program 1 times [2020-10-15 19:37:10,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:10,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8247437] [2020-10-15 19:37:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:37:10,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8247437] [2020-10-15 19:37:10,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612491085] [2020-10-15 19:37:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:37:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:10,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:37:10,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:37:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:37:10,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:37:10,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:37:10,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700513637] [2020-10-15 19:37:10,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:37:10,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:10,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:37:10,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:37:10,741 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-10-15 19:37:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:11,164 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-10-15 19:37:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:37:11,165 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 19:37:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:11,176 INFO L225 Difference]: With dead ends: 6095 [2020-10-15 19:37:11,176 INFO L226 Difference]: Without dead ends: 6079 [2020-10-15 19:37:11,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:37:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-10-15 19:37:11,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3114. [2020-10-15 19:37:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-15 19:37:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9010 transitions. [2020-10-15 19:37:11,247 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9010 transitions. Word has length 22 [2020-10-15 19:37:11,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:11,247 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 9010 transitions. [2020-10-15 19:37:11,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:37:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9010 transitions. [2020-10-15 19:37:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:37:11,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:11,249 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:11,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-15 19:37:11,450 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:11,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:11,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1897707635, now seen corresponding path program 1 times [2020-10-15 19:37:11,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:11,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802713641] [2020-10-15 19:37:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:37:11,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802713641] [2020-10-15 19:37:11,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457471078] [2020-10-15 19:37:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:37:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:11,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:37:11,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:37:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:37:11,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:37:11,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:37:11,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567204426] [2020-10-15 19:37:11,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:37:11,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:11,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:37:11,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:37:11,667 INFO L87 Difference]: Start difference. First operand 3114 states and 9010 transitions. Second operand 12 states. [2020-10-15 19:37:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:12,129 INFO L93 Difference]: Finished difference Result 6230 states and 17201 transitions. [2020-10-15 19:37:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:37:12,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 19:37:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:12,139 INFO L225 Difference]: With dead ends: 6230 [2020-10-15 19:37:12,139 INFO L226 Difference]: Without dead ends: 6214 [2020-10-15 19:37:12,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:37:12,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-10-15 19:37:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 3152. [2020-10-15 19:37:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3152 states. [2020-10-15 19:37:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 9145 transitions. [2020-10-15 19:37:12,210 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 9145 transitions. Word has length 22 [2020-10-15 19:37:12,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:12,210 INFO L481 AbstractCegarLoop]: Abstraction has 3152 states and 9145 transitions. [2020-10-15 19:37:12,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:37:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 9145 transitions. [2020-10-15 19:37:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:37:12,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:12,213 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:12,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:37:12,414 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 19:37:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1666591514, now seen corresponding path program 1 times [2020-10-15 19:37:12,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:12,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078251421] [2020-10-15 19:37:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:37:12,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:37:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:37:12,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:37:12,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 19:37:12,442 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 19:37:12,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 19:37:12,443 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 19:37:12,444 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 19:37:12,444 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 19:37:12,465 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,466 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,466 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,466 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,496 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,498 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,498 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,498 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,498 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,499 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,507 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,507 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:37:12,511 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 19:37:12,512 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:37:12,512 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:37:12,512 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:37:12,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:37:12,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:37:12,513 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:37:12,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:37:12,513 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:37:12,515 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:37:12,515 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-15 19:37:12,515 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-15 19:37:12,515 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-15 19:37:12,559 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-15 19:37:12,559 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 19:37:12,564 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 530 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-15 19:37:12,577 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-15 19:37:12,891 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-10-15 19:37:16,862 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-15 19:37:17,555 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-15 19:37:17,933 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 19:37:17,952 INFO L132 LiptonReduction]: Checked pairs total: 19978 [2020-10-15 19:37:17,953 INFO L134 LiptonReduction]: Total number of compositions: 188 [2020-10-15 19:37:17,953 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 57 transitions, 204 flow [2020-10-15 19:37:43,077 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-10-15 19:37:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-10-15 19:37:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:37:43,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:43,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:37:43,078 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:37:43,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:43,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1587786, now seen corresponding path program 1 times [2020-10-15 19:37:43,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:43,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148448286] [2020-10-15 19:37:43,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:43,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148448286] [2020-10-15 19:37:43,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:43,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:37:43,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604477401] [2020-10-15 19:37:43,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:37:43,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:43,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:37:43,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:43,099 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-10-15 19:37:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:37:44,023 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-10-15 19:37:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:37:44,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:37:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:37:44,490 INFO L225 Difference]: With dead ends: 118175 [2020-10-15 19:37:44,490 INFO L226 Difference]: Without dead ends: 110531 [2020-10-15 19:37:44,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:37:50,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-10-15 19:37:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-10-15 19:37:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-10-15 19:37:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-10-15 19:37:53,565 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-10-15 19:37:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:37:53,565 INFO L481 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-10-15 19:37:53,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:37:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-10-15 19:37:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 19:37:53,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:37:53,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:37:53,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 19:37:53,566 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:37:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:37:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1592599097, now seen corresponding path program 1 times [2020-10-15 19:37:53,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:37:53,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265133209] [2020-10-15 19:37:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:37:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:37:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:37:53,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265133209] [2020-10-15 19:37:53,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:37:53,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:37:53,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264127904] [2020-10-15 19:37:53,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:37:53,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:37:53,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:37:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:37:53,604 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-10-15 19:38:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:00,933 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-10-15 19:38:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:38:00,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 19:38:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:01,630 INFO L225 Difference]: With dead ends: 187755 [2020-10-15 19:38:01,630 INFO L226 Difference]: Without dead ends: 187578 [2020-10-15 19:38:01,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-10-15 19:38:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-10-15 19:38:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-10-15 19:38:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-10-15 19:38:12,893 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-10-15 19:38:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:12,893 INFO L481 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-10-15 19:38:12,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:38:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-10-15 19:38:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 19:38:12,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:12,894 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:12,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 19:38:12,894 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:12,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:12,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2054167379, now seen corresponding path program 1 times [2020-10-15 19:38:12,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:12,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797407605] [2020-10-15 19:38:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:38:12,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797407605] [2020-10-15 19:38:12,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:12,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:38:12,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857241891] [2020-10-15 19:38:12,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:38:12,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:12,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:38:12,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:38:12,941 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-10-15 19:38:15,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:15,886 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-10-15 19:38:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:38:15,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 19:38:15,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:16,778 INFO L225 Difference]: With dead ends: 212246 [2020-10-15 19:38:16,778 INFO L226 Difference]: Without dead ends: 211934 [2020-10-15 19:38:16,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-10-15 19:38:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-10-15 19:38:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-10-15 19:38:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-10-15 19:38:31,720 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-10-15 19:38:31,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:31,720 INFO L481 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-10-15 19:38:31,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:38:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-10-15 19:38:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 19:38:31,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:31,722 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:31,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 19:38:31,722 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:31,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:31,722 INFO L82 PathProgramCache]: Analyzing trace with hash -53690513, now seen corresponding path program 1 times [2020-10-15 19:38:31,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:31,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750653680] [2020-10-15 19:38:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:38:31,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750653680] [2020-10-15 19:38:31,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:31,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:38:31,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187714725] [2020-10-15 19:38:31,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:38:31,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:31,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:38:31,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:38:31,756 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-10-15 19:38:31,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:31,870 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-10-15 19:38:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:38:31,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 19:38:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:31,910 INFO L225 Difference]: With dead ends: 14050 [2020-10-15 19:38:31,910 INFO L226 Difference]: Without dead ends: 14050 [2020-10-15 19:38:31,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:38:32,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-10-15 19:38:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-10-15 19:38:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-10-15 19:38:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-10-15 19:38:33,786 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-10-15 19:38:33,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:33,786 INFO L481 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-10-15 19:38:33,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 19:38:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-10-15 19:38:33,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:38:33,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:33,787 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:33,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-15 19:38:33,787 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:33,788 INFO L82 PathProgramCache]: Analyzing trace with hash 693844998, now seen corresponding path program 1 times [2020-10-15 19:38:33,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:33,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331709621] [2020-10-15 19:38:33,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:38:33,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331709621] [2020-10-15 19:38:33,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542914059] [2020-10-15 19:38:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:38:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:33,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:38:33,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:38:34,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:34,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:38:34,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631853294] [2020-10-15 19:38:34,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:38:34,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:34,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:38:34,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:38:34,059 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-10-15 19:38:34,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:34,681 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-10-15 19:38:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:34,681 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 19:38:34,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:34,731 INFO L225 Difference]: With dead ends: 28297 [2020-10-15 19:38:34,732 INFO L226 Difference]: Without dead ends: 28227 [2020-10-15 19:38:34,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:38:34,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-10-15 19:38:35,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-10-15 19:38:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-10-15 19:38:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-10-15 19:38:35,133 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-10-15 19:38:35,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:35,133 INFO L481 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-10-15 19:38:35,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:38:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-10-15 19:38:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:38:35,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:35,134 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:35,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-15 19:38:35,334 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1124175233, now seen corresponding path program 1 times [2020-10-15 19:38:35,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:35,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322340066] [2020-10-15 19:38:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 19:38:35,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322340066] [2020-10-15 19:38:35,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:35,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:38:35,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161351332] [2020-10-15 19:38:35,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:38:35,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:38:35,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:35,397 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-10-15 19:38:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:35,928 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-10-15 19:38:35,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:35,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 19:38:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:35,980 INFO L225 Difference]: With dead ends: 28575 [2020-10-15 19:38:35,980 INFO L226 Difference]: Without dead ends: 28491 [2020-10-15 19:38:35,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:38:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-10-15 19:38:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-10-15 19:38:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-10-15 19:38:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-10-15 19:38:36,358 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-10-15 19:38:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:36,358 INFO L481 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-10-15 19:38:36,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:38:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-10-15 19:38:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 19:38:36,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:36,359 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:36,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-15 19:38:36,359 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:36,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:36,359 INFO L82 PathProgramCache]: Analyzing trace with hash 427682604, now seen corresponding path program 1 times [2020-10-15 19:38:36,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:36,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633830940] [2020-10-15 19:38:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:36,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 19:38:36,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633830940] [2020-10-15 19:38:36,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:36,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:38:36,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059494579] [2020-10-15 19:38:36,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:38:36,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:36,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:38:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:38:36,414 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-10-15 19:38:36,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:36,791 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-10-15 19:38:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:38:36,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 19:38:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:36,868 INFO L225 Difference]: With dead ends: 24605 [2020-10-15 19:38:36,868 INFO L226 Difference]: Without dead ends: 24581 [2020-10-15 19:38:36,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:37,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-10-15 19:38:37,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-10-15 19:38:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-10-15 19:38:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-10-15 19:38:37,506 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-10-15 19:38:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:37,507 INFO L481 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-10-15 19:38:37,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:38:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-10-15 19:38:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:38:37,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:37,509 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:37,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-15 19:38:37,510 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1364464123, now seen corresponding path program 1 times [2020-10-15 19:38:37,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:37,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063690067] [2020-10-15 19:38:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:37,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063690067] [2020-10-15 19:38:37,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616708525] [2020-10-15 19:38:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:38:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:37,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:38:37,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:37,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:37,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:38:37,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097038298] [2020-10-15 19:38:37,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:38:37,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:37,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:38:37,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:38:37,748 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-10-15 19:38:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:38,342 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-10-15 19:38:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:38,342 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 19:38:38,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:38,398 INFO L225 Difference]: With dead ends: 31898 [2020-10-15 19:38:38,399 INFO L226 Difference]: Without dead ends: 31865 [2020-10-15 19:38:38,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:38:38,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-10-15 19:38:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-10-15 19:38:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-10-15 19:38:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-10-15 19:38:41,054 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-10-15 19:38:41,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:41,055 INFO L481 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-10-15 19:38:41,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:38:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-10-15 19:38:41,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:38:41,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:41,057 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:41,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:38:41,263 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:41,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:41,264 INFO L82 PathProgramCache]: Analyzing trace with hash 321088405, now seen corresponding path program 1 times [2020-10-15 19:38:41,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:41,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633593315] [2020-10-15 19:38:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:41,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633593315] [2020-10-15 19:38:41,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241629899] [2020-10-15 19:38:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2020-10-15 19:38:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:41,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:38:41,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:41,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:41,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:38:41,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031722175] [2020-10-15 19:38:41,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:38:41,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:38:41,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:38:41,492 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-10-15 19:38:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:42,110 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-10-15 19:38:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:42,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 19:38:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:42,170 INFO L225 Difference]: With dead ends: 32253 [2020-10-15 19:38:42,170 INFO L226 Difference]: Without dead ends: 32220 [2020-10-15 19:38:42,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:38:42,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-10-15 19:38:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-10-15 19:38:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-10-15 19:38:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-10-15 19:38:42,588 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-10-15 19:38:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:42,588 INFO L481 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-10-15 19:38:42,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:38:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-10-15 19:38:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:38:42,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:42,590 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:42,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:38:42,791 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:42,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1406316126, now seen corresponding path program 1 times [2020-10-15 19:38:42,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:42,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785622907] [2020-10-15 19:38:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 19:38:42,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785622907] [2020-10-15 19:38:42,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:42,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 19:38:42,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607527267] [2020-10-15 19:38:42,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 19:38:42,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:42,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 19:38:42,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 19:38:42,830 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 5 states. [2020-10-15 19:38:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:43,043 INFO L93 Difference]: Finished difference Result 23466 states and 75382 transitions. [2020-10-15 19:38:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 19:38:43,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 19:38:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:43,083 INFO L225 Difference]: With dead ends: 23466 [2020-10-15 19:38:43,083 INFO L226 Difference]: Without dead ends: 23442 [2020-10-15 19:38:43,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2020-10-15 19:38:43,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14781. [2020-10-15 19:38:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14781 states. [2020-10-15 19:38:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 48769 transitions. [2020-10-15 19:38:43,443 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 48769 transitions. Word has length 22 [2020-10-15 19:38:43,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:43,443 INFO L481 AbstractCegarLoop]: Abstraction has 14781 states and 48769 transitions. [2020-10-15 19:38:43,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 19:38:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 48769 transitions. [2020-10-15 19:38:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:38:43,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:43,446 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:43,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-15 19:38:43,446 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:43,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash -103257068, now seen corresponding path program 1 times [2020-10-15 19:38:43,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:43,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165452317] [2020-10-15 19:38:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 19:38:43,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165452317] [2020-10-15 19:38:43,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:43,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:38:43,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213693404] [2020-10-15 19:38:43,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:38:43,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:43,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:38:43,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:43,509 INFO L87 Difference]: Start difference. First operand 14781 states and 48769 transitions. Second operand 7 states. [2020-10-15 19:38:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:44,070 INFO L93 Difference]: Finished difference Result 33669 states and 108193 transitions. [2020-10-15 19:38:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:44,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-15 19:38:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:44,133 INFO L225 Difference]: With dead ends: 33669 [2020-10-15 19:38:44,133 INFO L226 Difference]: Without dead ends: 33617 [2020-10-15 19:38:44,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:38:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33617 states. [2020-10-15 19:38:44,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33617 to 14680. [2020-10-15 19:38:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14680 states. [2020-10-15 19:38:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14680 states to 14680 states and 48297 transitions. [2020-10-15 19:38:44,590 INFO L78 Accepts]: Start accepts. Automaton has 14680 states and 48297 transitions. Word has length 22 [2020-10-15 19:38:44,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:44,590 INFO L481 AbstractCegarLoop]: Abstraction has 14680 states and 48297 transitions. [2020-10-15 19:38:44,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:38:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 14680 states and 48297 transitions. [2020-10-15 19:38:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 19:38:44,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:44,592 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:44,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-15 19:38:44,593 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:44,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:44,593 INFO L82 PathProgramCache]: Analyzing trace with hash -103169493, now seen corresponding path program 1 times [2020-10-15 19:38:44,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:44,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78265573] [2020-10-15 19:38:44,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 19:38:44,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78265573] [2020-10-15 19:38:44,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:38:44,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:38:44,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139473011] [2020-10-15 19:38:44,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:38:44,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:38:44,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:38:44,659 INFO L87 Difference]: Start difference. First operand 14680 states and 48297 transitions. Second operand 7 states. [2020-10-15 19:38:45,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:45,225 INFO L93 Difference]: Finished difference Result 33499 states and 107547 transitions. [2020-10-15 19:38:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:45,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-15 19:38:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:45,290 INFO L225 Difference]: With dead ends: 33499 [2020-10-15 19:38:45,290 INFO L226 Difference]: Without dead ends: 33447 [2020-10-15 19:38:45,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:38:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33447 states. [2020-10-15 19:38:45,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33447 to 14368. [2020-10-15 19:38:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-10-15 19:38:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-10-15 19:38:45,932 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-10-15 19:38:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:45,932 INFO L481 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-10-15 19:38:45,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:38:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-10-15 19:38:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:45,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:45,936 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:45,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-15 19:38:45,936 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:45,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:45,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1988994578, now seen corresponding path program 1 times [2020-10-15 19:38:45,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:45,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529398728] [2020-10-15 19:38:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:38:46,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529398728] [2020-10-15 19:38:46,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012676261] [2020-10-15 19:38:46,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:38:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:46,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 19:38:46,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:38:46,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:46,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 19:38:46,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482070261] [2020-10-15 19:38:46,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 19:38:46,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:46,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 19:38:46,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 19:38:46,256 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-10-15 19:38:47,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:47,795 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-10-15 19:38:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 19:38:47,796 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 19:38:47,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:47,877 INFO L225 Difference]: With dead ends: 41694 [2020-10-15 19:38:47,877 INFO L226 Difference]: Without dead ends: 41661 [2020-10-15 19:38:47,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 19:38:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-10-15 19:38:48,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-10-15 19:38:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-10-15 19:38:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-10-15 19:38:48,394 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-10-15 19:38:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:48,395 INFO L481 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-10-15 19:38:48,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 19:38:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-10-15 19:38:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:48,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:48,398 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:48,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-10-15 19:38:48,599 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:48,600 INFO L82 PathProgramCache]: Analyzing trace with hash -903766857, now seen corresponding path program 1 times [2020-10-15 19:38:48,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:48,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846919694] [2020-10-15 19:38:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 19:38:48,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846919694] [2020-10-15 19:38:48,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484172615] [2020-10-15 19:38:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:38:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:48,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:38:48,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 19:38:48,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:48,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:38:48,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558655554] [2020-10-15 19:38:48,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:38:48,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:48,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:38:48,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:38:48,841 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 12 states. [2020-10-15 19:38:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:49,507 INFO L93 Difference]: Finished difference Result 30858 states and 98003 transitions. [2020-10-15 19:38:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:49,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 19:38:49,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:49,562 INFO L225 Difference]: With dead ends: 30858 [2020-10-15 19:38:49,562 INFO L226 Difference]: Without dead ends: 30822 [2020-10-15 19:38:49,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:38:49,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30822 states. [2020-10-15 19:38:49,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30822 to 14230. [2020-10-15 19:38:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2020-10-15 19:38:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 46630 transitions. [2020-10-15 19:38:49,976 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 46630 transitions. Word has length 26 [2020-10-15 19:38:49,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:49,977 INFO L481 AbstractCegarLoop]: Abstraction has 14230 states and 46630 transitions. [2020-10-15 19:38:49,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:38:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 46630 transitions. [2020-10-15 19:38:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:49,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:49,980 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:50,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-15 19:38:50,181 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:50,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:50,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1881627245, now seen corresponding path program 1 times [2020-10-15 19:38:50,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:50,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657641358] [2020-10-15 19:38:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:50,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657641358] [2020-10-15 19:38:50,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178487097] [2020-10-15 19:38:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-15 19:38:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:50,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 19:38:50,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:50,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:50,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 19:38:50,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432675163] [2020-10-15 19:38:50,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 19:38:50,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:50,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 19:38:50,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 19:38:50,491 INFO L87 Difference]: Start difference. First operand 14230 states and 46630 transitions. Second operand 16 states. [2020-10-15 19:38:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:51,913 INFO L93 Difference]: Finished difference Result 40917 states and 129671 transitions. [2020-10-15 19:38:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 19:38:51,913 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 19:38:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:51,989 INFO L225 Difference]: With dead ends: 40917 [2020-10-15 19:38:51,989 INFO L226 Difference]: Without dead ends: 40856 [2020-10-15 19:38:51,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 19:38:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40856 states. [2020-10-15 19:38:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40856 to 14016. [2020-10-15 19:38:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-10-15 19:38:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-10-15 19:38:52,662 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-10-15 19:38:52,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:52,662 INFO L481 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-10-15 19:38:52,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 19:38:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-10-15 19:38:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:52,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:52,665 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:52,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-10-15 19:38:52,866 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:52,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:52,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2145591314, now seen corresponding path program 2 times [2020-10-15 19:38:52,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:52,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043568285] [2020-10-15 19:38:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:52,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043568285] [2020-10-15 19:38:52,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712625735] [2020-10-15 19:38:52,940 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 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 [2020-10-15 19:38:53,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 19:38:53,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 19:38:53,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 19:38:53,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:53,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:53,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 19:38:53,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029888442] [2020-10-15 19:38:53,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 19:38:53,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:53,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 19:38:53,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 19:38:53,259 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 16 states. [2020-10-15 19:38:54,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:54,732 INFO L93 Difference]: Finished difference Result 40809 states and 129085 transitions. [2020-10-15 19:38:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 19:38:54,734 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 19:38:54,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:54,866 INFO L225 Difference]: With dead ends: 40809 [2020-10-15 19:38:54,867 INFO L226 Difference]: Without dead ends: 40776 [2020-10-15 19:38:54,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 19:38:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40776 states. [2020-10-15 19:38:55,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40776 to 13814. [2020-10-15 19:38:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13814 states. [2020-10-15 19:38:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13814 states to 13814 states and 45293 transitions. [2020-10-15 19:38:55,873 INFO L78 Accepts]: Start accepts. Automaton has 13814 states and 45293 transitions. Word has length 26 [2020-10-15 19:38:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:55,873 INFO L481 AbstractCegarLoop]: Abstraction has 13814 states and 45293 transitions. [2020-10-15 19:38:55,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 19:38:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 13814 states and 45293 transitions. [2020-10-15 19:38:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:55,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:55,880 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:56,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-10-15 19:38:56,095 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:56,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:56,095 INFO L82 PathProgramCache]: Analyzing trace with hash 75485767, now seen corresponding path program 1 times [2020-10-15 19:38:56,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:56,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144358128] [2020-10-15 19:38:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 19:38:56,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144358128] [2020-10-15 19:38:56,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34679769] [2020-10-15 19:38:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:38:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:56,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:38:56,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 19:38:56,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:56,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:38:56,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020426878] [2020-10-15 19:38:56,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:38:56,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:56,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:38:56,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:38:56,416 INFO L87 Difference]: Start difference. First operand 13814 states and 45293 transitions. Second operand 12 states. [2020-10-15 19:38:57,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:57,101 INFO L93 Difference]: Finished difference Result 31476 states and 100257 transitions. [2020-10-15 19:38:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:38:57,102 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 19:38:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:57,158 INFO L225 Difference]: With dead ends: 31476 [2020-10-15 19:38:57,158 INFO L226 Difference]: Without dead ends: 31440 [2020-10-15 19:38:57,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:38:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31440 states. [2020-10-15 19:38:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31440 to 14284. [2020-10-15 19:38:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14284 states. [2020-10-15 19:38:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14284 states to 14284 states and 47044 transitions. [2020-10-15 19:38:57,595 INFO L78 Accepts]: Start accepts. Automaton has 14284 states and 47044 transitions. Word has length 26 [2020-10-15 19:38:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:38:57,595 INFO L481 AbstractCegarLoop]: Abstraction has 14284 states and 47044 transitions. [2020-10-15 19:38:57,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:38:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14284 states and 47044 transitions. [2020-10-15 19:38:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:38:57,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:38:57,599 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:38:57,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:38:57,799 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:38:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:38:57,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1433999852, now seen corresponding path program 1 times [2020-10-15 19:38:57,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:38:57,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062197320] [2020-10-15 19:38:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:38:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:57,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062197320] [2020-10-15 19:38:57,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182560862] [2020-10-15 19:38:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:38:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:38:57,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 19:38:57,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:38:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 19:38:58,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:38:58,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 19:38:58,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619955271] [2020-10-15 19:38:58,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 19:38:58,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:38:58,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 19:38:58,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 19:38:58,103 INFO L87 Difference]: Start difference. First operand 14284 states and 47044 transitions. Second operand 16 states. [2020-10-15 19:38:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:38:59,661 INFO L93 Difference]: Finished difference Result 41255 states and 130887 transitions. [2020-10-15 19:38:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 19:38:59,662 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 19:38:59,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:38:59,737 INFO L225 Difference]: With dead ends: 41255 [2020-10-15 19:38:59,738 INFO L226 Difference]: Without dead ends: 41194 [2020-10-15 19:38:59,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 19:39:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41194 states. [2020-10-15 19:39:00,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41194 to 14132. [2020-10-15 19:39:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-10-15 19:39:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-10-15 19:39:00,417 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-10-15 19:39:00,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:39:00,418 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-10-15 19:39:00,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 19:39:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-10-15 19:39:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:39:00,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:39:00,421 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:39:00,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2020-10-15 19:39:00,622 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:39:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:39:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1843074133, now seen corresponding path program 1 times [2020-10-15 19:39:00,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:39:00,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721758183] [2020-10-15 19:39:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:39:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:39:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 19:39:00,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721758183] [2020-10-15 19:39:00,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661558586] [2020-10-15 19:39:00,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:39:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:39:00,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 19:39:00,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 19:39:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 19:39:00,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 19:39:00,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 19:39:00,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609645476] [2020-10-15 19:39:00,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 19:39:00,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:39:00,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 19:39:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 19:39:00,870 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 12 states. [2020-10-15 19:39:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:39:01,581 INFO L93 Difference]: Finished difference Result 32868 states and 106131 transitions. [2020-10-15 19:39:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:39:01,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 19:39:01,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:39:01,681 INFO L225 Difference]: With dead ends: 32868 [2020-10-15 19:39:01,682 INFO L226 Difference]: Without dead ends: 32842 [2020-10-15 19:39:01,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 19:39:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32842 states. [2020-10-15 19:39:02,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32842 to 14171. [2020-10-15 19:39:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14171 states. [2020-10-15 19:39:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14171 states to 14171 states and 46691 transitions. [2020-10-15 19:39:02,301 INFO L78 Accepts]: Start accepts. Automaton has 14171 states and 46691 transitions. Word has length 26 [2020-10-15 19:39:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:39:02,301 INFO L481 AbstractCegarLoop]: Abstraction has 14171 states and 46691 transitions. [2020-10-15 19:39:02,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 19:39:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14171 states and 46691 transitions. [2020-10-15 19:39:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:39:02,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:39:02,305 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:39:02,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 19:39:02,506 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:39:02,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:39:02,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1288861438, now seen corresponding path program 1 times [2020-10-15 19:39:02,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:39:02,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046917236] [2020-10-15 19:39:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:39:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:39:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 19:39:02,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046917236] [2020-10-15 19:39:02,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:39:02,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:39:02,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601992180] [2020-10-15 19:39:02,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:39:02,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:39:02,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:39:02,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:39:02,560 INFO L87 Difference]: Start difference. First operand 14171 states and 46691 transitions. Second operand 7 states. [2020-10-15 19:39:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:39:03,136 INFO L93 Difference]: Finished difference Result 30961 states and 98367 transitions. [2020-10-15 19:39:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:39:03,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 19:39:03,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:39:03,190 INFO L225 Difference]: With dead ends: 30961 [2020-10-15 19:39:03,191 INFO L226 Difference]: Without dead ends: 30919 [2020-10-15 19:39:03,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:39:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2020-10-15 19:39:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 14526. [2020-10-15 19:39:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14526 states. [2020-10-15 19:39:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 47951 transitions. [2020-10-15 19:39:03,618 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 47951 transitions. Word has length 26 [2020-10-15 19:39:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:39:03,618 INFO L481 AbstractCegarLoop]: Abstraction has 14526 states and 47951 transitions. [2020-10-15 19:39:03,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:39:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 47951 transitions. [2020-10-15 19:39:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:39:03,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:39:03,622 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:39:03,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-15 19:39:03,622 INFO L429 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:39:03,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:39:03,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1288773863, now seen corresponding path program 1 times [2020-10-15 19:39:03,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:39:03,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789544696] [2020-10-15 19:39:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:39:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:39:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 19:39:03,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789544696] [2020-10-15 19:39:03,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:39:03,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:39:03,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748257116] [2020-10-15 19:39:03,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:39:03,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:39:03,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:39:03,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:39:03,683 INFO L87 Difference]: Start difference. First operand 14526 states and 47951 transitions. Second operand 7 states. [2020-10-15 19:39:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:39:04,269 INFO L93 Difference]: Finished difference Result 31047 states and 98602 transitions. [2020-10-15 19:39:04,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:39:04,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 19:39:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:39:04,330 INFO L225 Difference]: With dead ends: 31047 [2020-10-15 19:39:04,330 INFO L226 Difference]: Without dead ends: 31005 [2020-10-15 19:39:04,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:39:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31005 states. [2020-10-15 19:39:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31005 to 14408. [2020-10-15 19:39:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14408 states. [2020-10-15 19:39:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 47461 transitions. [2020-10-15 19:39:04,748 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 47461 transitions. Word has length 26 [2020-10-15 19:39:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:39:04,748 INFO L481 AbstractCegarLoop]: Abstraction has 14408 states and 47461 transitions. [2020-10-15 19:39:04,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:39:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 47461 transitions. [2020-10-15 19:39:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:39:04,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:39:04,752 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:39:04,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-15 19:39:04,752 INFO L429 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:39:04,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:39:04,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1288707709, now seen corresponding path program 1 times [2020-10-15 19:39:04,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:39:04,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519716919] [2020-10-15 19:39:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:39:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:39:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 19:39:04,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519716919] [2020-10-15 19:39:04,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:39:04,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 19:39:04,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150645738] [2020-10-15 19:39:04,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 19:39:04,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:39:04,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 19:39:04,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 19:39:04,811 INFO L87 Difference]: Start difference. First operand 14408 states and 47461 transitions. Second operand 7 states. [2020-10-15 19:39:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:39:05,416 INFO L93 Difference]: Finished difference Result 33008 states and 106518 transitions. [2020-10-15 19:39:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 19:39:05,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 19:39:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:39:05,478 INFO L225 Difference]: With dead ends: 33008 [2020-10-15 19:39:05,478 INFO L226 Difference]: Without dead ends: 32988 [2020-10-15 19:39:05,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 19:39:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32988 states. [2020-10-15 19:39:06,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32988 to 14212. [2020-10-15 19:39:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14212 states. [2020-10-15 19:39:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14212 states to 14212 states and 46599 transitions. [2020-10-15 19:39:06,112 INFO L78 Accepts]: Start accepts. Automaton has 14212 states and 46599 transitions. Word has length 26 [2020-10-15 19:39:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 19:39:06,112 INFO L481 AbstractCegarLoop]: Abstraction has 14212 states and 46599 transitions. [2020-10-15 19:39:06,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 19:39:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14212 states and 46599 transitions. [2020-10-15 19:39:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 19:39:06,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:39:06,116 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 19:39:06,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-15 19:39:06,116 INFO L429 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:39:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:39:06,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1151627457, now seen corresponding path program 1 times [2020-10-15 19:39:06,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:39:06,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895946412] [2020-10-15 19:39:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:39:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:39:06,124 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:39:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 19:39:06,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 19:39:06,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 19:39:06,139 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 19:39:06,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-15 19:39:06,140 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 19:39:06,141 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 19:39:06,141 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-15 19:39:06,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,202 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,205 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 19:39:06,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-15 19:39:06,221 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 19:39:06,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 19:39:06,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 19:39:06,221 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 19:39:06,221 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 19:39:06,221 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 19:39:06,221 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 19:39:06,221 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 19:39:06,223 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 19:39:06,224 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-15 19:39:06,224 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-15 19:39:06,225 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-15 19:39:06,260 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-15 19:39:06,261 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-15 19:39:06,264 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 641 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-15 19:39:06,283 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-15 19:39:10,630 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-15 19:39:11,540 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-15 19:39:11,874 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 19:39:12,115 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 19:39:12,705 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-15 19:39:12,829 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 19:39:12,841 INFO L132 LiptonReduction]: Checked pairs total: 28958 [2020-10-15 19:39:12,841 INFO L134 LiptonReduction]: Total number of compositions: 215 [2020-10-15 19:39:12,842 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 67 transitions, 254 flow [2020-10-15 19:48:13,025 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 583217 states. [2020-10-15 19:48:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 583217 states. [2020-10-15 19:48:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 19:48:13,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 19:48:13,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 19:48:13,026 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 19:48:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 19:48:13,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2048675, now seen corresponding path program 1 times [2020-10-15 19:48:13,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 19:48:13,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941182145] [2020-10-15 19:48:13,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 19:48:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 19:48:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 19:48:13,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941182145] [2020-10-15 19:48:13,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 19:48:13,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 19:48:13,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638473821] [2020-10-15 19:48:13,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 19:48:13,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 19:48:13,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 19:48:13,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 19:48:13,047 INFO L87 Difference]: Start difference. First operand 583217 states. Second operand 3 states. [2020-10-15 19:48:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 19:48:38,639 INFO L93 Difference]: Finished difference Result 772013 states and 5584850 transitions. [2020-10-15 19:48:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 19:48:38,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 19:48:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 19:48:45,669 INFO L225 Difference]: With dead ends: 772013 [2020-10-15 19:48:45,669 INFO L226 Difference]: Without dead ends: 721583 [2020-10-15 19:48:45,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 Received shutdown request...