/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-17 02:05:38,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-17 02:05:38,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-17 02:05:38,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-17 02:05:38,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-17 02:05:38,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-17 02:05:38,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-17 02:05:38,401 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 [2020-09-17 02:05:38,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-17 02:05:38,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-17 02:05:38,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-17 02:05:38,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-17 02:05:38,429 INFO L138 SettingsManager]: * Use SBE=true [2020-09-17 02:05:38,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-17 02:05:38,429 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-17 02:05:38,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-17 02:05:38,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-17 02:05:38,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-17 02:05:38,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-17 02:05:38,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-17 02:05:38,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-17 02:05:38,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-17 02:05:38,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-17 02:05:38,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-17 02:05:38,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-17 02:05:38,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-17 02:05:38,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-17 02:05:38,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-17 02:05:38,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-17 02:05:38,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-17 02:05:38,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-17 02:05:38,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-17 02:05:38,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-17 02:05:38,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-17 02:05:38,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-17 02:05:38,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-17 02:05:38,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-17 02:05:38,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-17 02:05:38,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-17 02:05:38,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-17 02:05:38,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-17 02:05:38,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-17 02:05:38,901 INFO L275 PluginConnector]: CDTParser initialized [2020-09-17 02:05:38,902 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-17 02:05:38,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f567c2f/1950d90f3eb2439288529027929421dd/FLAG070dd68fe [2020-09-17 02:05:39,638 INFO L306 CDTParser]: Found 1 translation units. [2020-09-17 02:05:39,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-17 02:05:39,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f567c2f/1950d90f3eb2439288529027929421dd/FLAG070dd68fe [2020-09-17 02:05:39,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f567c2f/1950d90f3eb2439288529027929421dd [2020-09-17 02:05:39,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-17 02:05:39,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-17 02:05:39,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-17 02:05:39,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-17 02:05:39,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-17 02:05:39,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:39" (1/1) ... [2020-09-17 02:05:39,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5921fe81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39, skipping insertion in model container [2020-09-17 02:05:39,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:39" (1/1) ... [2020-09-17 02:05:39,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-17 02:05:40,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-17 02:05:40,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 02:05:40,525 INFO L203 MainTranslator]: Completed pre-run [2020-09-17 02:05:40,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 02:05:40,688 INFO L208 MainTranslator]: Completed translation [2020-09-17 02:05:40,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40 WrapperNode [2020-09-17 02:05:40,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-17 02:05:40,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-17 02:05:40,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-17 02:05:40,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-17 02:05:40,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-17 02:05:40,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-17 02:05:40,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-17 02:05:40,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-17 02:05:40,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (1/1) ... [2020-09-17 02:05:40,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-17 02:05:40,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-17 02:05:40,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-17 02:05:40,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-17 02:05:40,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (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 [2020-09-17 02:05:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-17 02:05:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-17 02:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-17 02:05:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-17 02:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-17 02:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-17 02:05:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-17 02:05:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-17 02:05:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-17 02:05:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-17 02:05:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-17 02:05:40,888 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-17 02:05:41,279 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-17 02:05:41,280 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-17 02:05:41,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:41 BoogieIcfgContainer [2020-09-17 02:05:41,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-17 02:05:41,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-17 02:05:41,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-17 02:05:41,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-17 02:05:41,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 02:05:39" (1/3) ... [2020-09-17 02:05:41,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fa9685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:05:41, skipping insertion in model container [2020-09-17 02:05:41,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:40" (2/3) ... [2020-09-17 02:05:41,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fa9685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:05:41, skipping insertion in model container [2020-09-17 02:05:41,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:41" (3/3) ... [2020-09-17 02:05:41,295 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-09-17 02:05:41,307 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-17 02:05:41,307 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-17 02:05:41,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-17 02:05:41,318 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-17 02:05:41,354 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,356 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,356 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,356 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,357 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,357 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,357 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,358 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,358 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,358 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,358 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,368 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,368 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,381 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,381 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,382 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:41,416 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-17 02:05:41,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:05:41,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:05:41,440 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:05:41,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:05:41,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:05:41,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:05:41,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:05:41,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:05:41,459 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-09-17 02:05:41,462 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-17 02:05:41,516 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-17 02:05:41,516 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-17 02:05:41,523 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. [2020-09-17 02:05:41,527 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-17 02:05:41,562 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-17 02:05:41,562 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-17 02:05:41,563 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. [2020-09-17 02:05:41,566 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-09-17 02:05:41,567 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:05:42,906 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-17 02:05:43,407 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-09-17 02:05:43,572 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-17 02:05:44,123 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-09-17 02:05:44,680 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-17 02:05:44,998 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-17 02:05:45,003 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-09-17 02:05:45,003 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-09-17 02:05:45,008 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-09-17 02:05:45,018 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-09-17 02:05:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-17 02:05:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-17 02:05:45,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:45,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-17 02:05:45,029 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:05:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:45,036 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-09-17 02:05:45,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:45,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303392063] [2020-09-17 02:05:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:45,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303392063] [2020-09-17 02:05:45,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:45,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 02:05:45,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337908639] [2020-09-17 02:05:45,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:05:45,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:45,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:05:45,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:45,331 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-09-17 02:05:45,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:45,370 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-09-17 02:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:05:45,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-17 02:05:45,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:45,385 INFO L225 Difference]: With dead ends: 35 [2020-09-17 02:05:45,386 INFO L226 Difference]: Without dead ends: 31 [2020-09-17 02:05:45,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-17 02:05:45,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-17 02:05:45,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-17 02:05:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-09-17 02:05:45,431 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-09-17 02:05:45,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:45,432 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-09-17 02:05:45,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:05:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-09-17 02:05:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-17 02:05:45,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:45,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:45,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-17 02:05:45,434 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:05:45,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:45,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-09-17 02:05:45,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:45,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177408791] [2020-09-17 02:05:45,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:45,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177408791] [2020-09-17 02:05:45,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:45,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 02:05:45,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069351029] [2020-09-17 02:05:45,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-17 02:05:45,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:45,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-17 02:05:45,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-17 02:05:45,568 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-09-17 02:05:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:45,590 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-09-17 02:05:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-17 02:05:45,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-09-17 02:05:45,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:45,592 INFO L225 Difference]: With dead ends: 26 [2020-09-17 02:05:45,592 INFO L226 Difference]: Without dead ends: 24 [2020-09-17 02:05:45,593 INFO L675 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 [2020-09-17 02:05:45,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-17 02:05:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-17 02:05:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-17 02:05:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-09-17 02:05:45,598 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-09-17 02:05:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:45,599 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-09-17 02:05:45,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-17 02:05:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-09-17 02:05:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-17 02:05:45,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:45,600 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:45,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-17 02:05:45,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:05:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-09-17 02:05:45,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:45,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386036436] [2020-09-17 02:05:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:45,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:45,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:45,684 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 02:05:45,684 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 02:05:45,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-17 02:05:45,685 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-17 02:05:45,686 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-17 02:05:45,686 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-17 02:05:45,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,702 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,702 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,705 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,705 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:45,722 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-17 02:05:45,722 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:05:45,722 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:05:45,723 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:05:45,723 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:05:45,723 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:05:45,723 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:05:45,723 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:05:45,723 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:05:45,726 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-09-17 02:05:45,726 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-17 02:05:45,751 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-17 02:05:45,751 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-17 02:05:45,753 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. [2020-09-17 02:05:45,757 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-17 02:05:45,779 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-17 02:05:45,779 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-17 02:05:45,781 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. [2020-09-17 02:05:45,784 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-09-17 02:05:45,784 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:05:48,203 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-09-17 02:05:48,347 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-09-17 02:05:48,704 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-17 02:05:49,114 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-17 02:05:49,261 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-17 02:05:49,320 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3583 [2020-09-17 02:05:49,320 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-09-17 02:05:49,321 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-09-17 02:05:49,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-09-17 02:05:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-09-17 02:05:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-17 02:05:49,357 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:49,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-17 02:05:49,358 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:49,358 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-09-17 02:05:49,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:49,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612962846] [2020-09-17 02:05:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:49,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612962846] [2020-09-17 02:05:49,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:49,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 02:05:49,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104128722] [2020-09-17 02:05:49,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:05:49,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:49,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:05:49,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:49,414 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-09-17 02:05:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:49,477 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-09-17 02:05:49,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:05:49,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-17 02:05:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:49,496 INFO L225 Difference]: With dead ends: 748 [2020-09-17 02:05:49,496 INFO L226 Difference]: Without dead ends: 691 [2020-09-17 02:05:49,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-09-17 02:05:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-09-17 02:05:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-17 02:05:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-09-17 02:05:49,611 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-09-17 02:05:49,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:49,611 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-09-17 02:05:49,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:05:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-09-17 02:05:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-17 02:05:49,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:49,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:49,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-17 02:05:49,613 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:49,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:49,614 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-09-17 02:05:49,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:49,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698513538] [2020-09-17 02:05:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:49,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698513538] [2020-09-17 02:05:49,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:49,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:05:49,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970939062] [2020-09-17 02:05:49,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:05:49,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:49,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:05:49,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:05:49,717 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-09-17 02:05:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:49,866 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-09-17 02:05:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:05:49,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-17 02:05:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:49,881 INFO L225 Difference]: With dead ends: 900 [2020-09-17 02:05:49,882 INFO L226 Difference]: Without dead ends: 880 [2020-09-17 02:05:49,882 INFO L675 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 [2020-09-17 02:05:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-17 02:05:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-09-17 02:05:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-17 02:05:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-09-17 02:05:49,931 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-09-17 02:05:49,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:49,932 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-09-17 02:05:49,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:05:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-09-17 02:05:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 02:05:49,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:49,939 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:49,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-17 02:05:49,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:49,940 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-09-17 02:05:49,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:49,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673866347] [2020-09-17 02:05:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:49,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:50,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:50,033 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 02:05:50,033 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 02:05:50,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-17 02:05:50,034 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-17 02:05:50,034 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-17 02:05:50,036 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-17 02:05:50,051 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,051 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,053 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,054 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,055 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,058 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,058 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,058 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,059 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,059 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,084 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,087 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,089 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,089 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,091 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:50,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-17 02:05:50,103 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:05:50,103 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:05:50,104 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:05:50,104 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:05:50,104 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:05:50,104 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:05:50,104 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:05:50,104 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:05:50,106 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-09-17 02:05:50,106 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-17 02:05:50,131 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-17 02:05:50,131 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-17 02:05:50,133 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. [2020-09-17 02:05:50,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-17 02:05:50,160 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-17 02:05:50,161 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-17 02:05:50,163 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. [2020-09-17 02:05:50,168 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-09-17 02:05:50,168 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:05:53,314 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-09-17 02:05:53,516 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-17 02:05:53,978 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-09-17 02:05:54,443 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-17 02:05:54,588 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-17 02:05:54,600 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7545 [2020-09-17 02:05:54,600 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-09-17 02:05:54,601 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-09-17 02:05:54,841 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-09-17 02:05:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-09-17 02:05:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-17 02:05:54,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:54,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-17 02:05:54,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:54,843 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-09-17 02:05:54,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:54,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408209626] [2020-09-17 02:05:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:54,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408209626] [2020-09-17 02:05:54,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:54,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 02:05:54,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690059642] [2020-09-17 02:05:54,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:05:54,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:54,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:05:54,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:54,911 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-09-17 02:05:55,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:55,057 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-09-17 02:05:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:05:55,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-17 02:05:55,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:55,100 INFO L225 Difference]: With dead ends: 4669 [2020-09-17 02:05:55,100 INFO L226 Difference]: Without dead ends: 4342 [2020-09-17 02:05:55,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-09-17 02:05:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-09-17 02:05:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-09-17 02:05:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-09-17 02:05:55,313 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-09-17 02:05:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:55,313 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-09-17 02:05:55,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:05:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-09-17 02:05:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-17 02:05:55,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:55,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:55,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-17 02:05:55,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:55,316 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-09-17 02:05:55,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:55,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070527298] [2020-09-17 02:05:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:55,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070527298] [2020-09-17 02:05:55,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:55,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:05:55,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817667343] [2020-09-17 02:05:55,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:05:55,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:55,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:05:55,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:05:55,411 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-09-17 02:05:55,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:55,589 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-09-17 02:05:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:05:55,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-17 02:05:55,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:55,650 INFO L225 Difference]: With dead ends: 6408 [2020-09-17 02:05:55,650 INFO L226 Difference]: Without dead ends: 6352 [2020-09-17 02:05:55,651 INFO L675 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 [2020-09-17 02:05:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-09-17 02:05:55,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-09-17 02:05:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-09-17 02:05:55,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-09-17 02:05:55,854 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-09-17 02:05:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:55,855 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-09-17 02:05:55,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:05:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-09-17 02:05:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 02:05:55,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:55,857 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:55,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-17 02:05:55,857 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:55,857 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-09-17 02:05:55,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:55,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776214873] [2020-09-17 02:05:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:05:55,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776214873] [2020-09-17 02:05:55,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:55,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:05:55,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512467496] [2020-09-17 02:05:55,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:05:55,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:55,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:05:55,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:05:55,925 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-09-17 02:05:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:56,164 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-09-17 02:05:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:05:56,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-17 02:05:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:56,216 INFO L225 Difference]: With dead ends: 6754 [2020-09-17 02:05:56,216 INFO L226 Difference]: Without dead ends: 6698 [2020-09-17 02:05:56,217 INFO L675 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 [2020-09-17 02:05:56,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-09-17 02:05:56,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-09-17 02:05:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-09-17 02:05:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-09-17 02:05:56,396 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-09-17 02:05:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:56,396 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-09-17 02:05:56,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:05:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-09-17 02:05:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 02:05:56,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:56,402 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:56,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-17 02:05:56,402 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:56,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-09-17 02:05:56,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:56,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722443424] [2020-09-17 02:05:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:56,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722443424] [2020-09-17 02:05:56,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:56,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:05:56,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518663324] [2020-09-17 02:05:56,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:05:56,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:56,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:05:56,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:05:56,469 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-09-17 02:05:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:56,498 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-09-17 02:05:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:05:56,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-17 02:05:56,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:56,504 INFO L225 Difference]: With dead ends: 1628 [2020-09-17 02:05:56,505 INFO L226 Difference]: Without dead ends: 1628 [2020-09-17 02:05:56,506 INFO L675 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 [2020-09-17 02:05:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-09-17 02:05:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-09-17 02:05:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-09-17 02:05:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-09-17 02:05:56,551 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-09-17 02:05:56,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:56,552 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-09-17 02:05:56,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:05:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-09-17 02:05:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:05:56,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:56,554 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:56,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-17 02:05:56,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:56,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:56,554 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-09-17 02:05:56,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:56,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287928912] [2020-09-17 02:05:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:56,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287928912] [2020-09-17 02:05:56,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984612243] [2020-09-17 02:05:56,679 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 [2020-09-17 02:05:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:56,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:05:56,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:05:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:05:56,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:05:56,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:05:56,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317530698] [2020-09-17 02:05:56,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:05:56,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:56,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:05:56,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:05:56,880 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-09-17 02:05:57,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:57,265 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-09-17 02:05:57,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:05:57,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-17 02:05:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:57,274 INFO L225 Difference]: With dead ends: 2817 [2020-09-17 02:05:57,274 INFO L226 Difference]: Without dead ends: 2796 [2020-09-17 02:05:57,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:05:57,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-09-17 02:05:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-09-17 02:05:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-09-17 02:05:57,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-09-17 02:05:57,325 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-09-17 02:05:57,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:57,326 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-09-17 02:05:57,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:05:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-09-17 02:05:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:05:57,327 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:57,327 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:57,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-17 02:05:57,541 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-09-17 02:05:57,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:57,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893793546] [2020-09-17 02:05:57,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:05:57,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893793546] [2020-09-17 02:05:57,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:57,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:05:57,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412271684] [2020-09-17 02:05:57,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:05:57,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:57,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:05:57,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:05:57,742 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-09-17 02:05:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:58,055 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-09-17 02:05:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:05:58,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-17 02:05:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:58,062 INFO L225 Difference]: With dead ends: 2731 [2020-09-17 02:05:58,062 INFO L226 Difference]: Without dead ends: 2698 [2020-09-17 02:05:58,063 INFO L675 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 [2020-09-17 02:05:58,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-17 02:05:58,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-09-17 02:05:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-17 02:05:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-09-17 02:05:58,107 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-09-17 02:05:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:58,108 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-09-17 02:05:58,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:05:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-09-17 02:05:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:05:58,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:58,109 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:58,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-17 02:05:58,110 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:58,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:58,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-09-17 02:05:58,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:58,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200411317] [2020-09-17 02:05:58,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:05:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-17 02:05:58,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200411317] [2020-09-17 02:05:58,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:05:58,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:05:58,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25203155] [2020-09-17 02:05:58,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:05:58,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:05:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:05:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:05:58,186 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-09-17 02:05:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:05:58,314 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-09-17 02:05:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:05:58,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-17 02:05:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:05:58,321 INFO L225 Difference]: With dead ends: 2245 [2020-09-17 02:05:58,321 INFO L226 Difference]: Without dead ends: 2233 [2020-09-17 02:05:58,322 INFO L675 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 [2020-09-17 02:05:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-09-17 02:05:58,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-09-17 02:05:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-09-17 02:05:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-09-17 02:05:58,371 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-09-17 02:05:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:05:58,372 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-09-17 02:05:58,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:05:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-09-17 02:05:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:05:58,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:05:58,373 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:05:58,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-17 02:05:58,374 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 02:05:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:05:58,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-09-17 02:05:58,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:05:58,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678535866] [2020-09-17 02:05:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:05:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:58,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:05:58,405 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:05:58,413 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 02:05:58,413 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 02:05:58,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-17 02:05:58,413 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-17 02:05:58,414 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-17 02:05:58,414 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-17 02:05:58,429 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,429 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,430 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,431 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,441 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,449 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,450 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,450 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,452 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,457 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,457 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,458 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:05:58,468 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-17 02:05:58,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:05:58,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:05:58,469 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:05:58,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:05:58,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:05:58,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:05:58,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:05:58,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:05:58,471 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-09-17 02:05:58,471 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-17 02:05:58,493 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-17 02:05:58,494 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-17 02:05:58,495 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. [2020-09-17 02:05:58,504 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-17 02:05:58,525 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-17 02:05:58,525 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-17 02:05:58,527 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. [2020-09-17 02:05:58,535 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-09-17 02:05:58,536 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:06:02,405 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-09-17 02:06:02,509 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-17 02:06:02,624 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-17 02:06:02,960 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-17 02:06:03,214 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-09-17 02:06:03,495 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-17 02:06:03,950 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-09-17 02:06:04,105 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-17 02:06:04,112 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10326 [2020-09-17 02:06:04,113 INFO L214 etLargeBlockEncoding]: Total number of compositions: 154 [2020-09-17 02:06:04,113 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 48 transitions, 160 flow [2020-09-17 02:06:05,038 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-09-17 02:06:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-09-17 02:06:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-17 02:06:05,038 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:05,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-17 02:06:05,039 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:05,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:05,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1182523, now seen corresponding path program 1 times [2020-09-17 02:06:05,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:05,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743187425] [2020-09-17 02:06:05,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:05,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743187425] [2020-09-17 02:06:05,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:05,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 02:06:05,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325314034] [2020-09-17 02:06:05,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:06:05,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:05,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:06:05,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:06:05,072 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-09-17 02:06:05,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:05,237 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-09-17 02:06:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:06:05,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-17 02:06:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:05,304 INFO L225 Difference]: With dead ends: 15456 [2020-09-17 02:06:05,305 INFO L226 Difference]: Without dead ends: 14450 [2020-09-17 02:06:05,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:06:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-09-17 02:06:06,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-09-17 02:06:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-09-17 02:06:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-09-17 02:06:06,640 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-09-17 02:06:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:06,641 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-09-17 02:06:06,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:06:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-09-17 02:06:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-17 02:06:06,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:06,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:06,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-17 02:06:06,642 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:06,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:06,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1868590315, now seen corresponding path program 1 times [2020-09-17 02:06:06,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:06,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887275069] [2020-09-17 02:06:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:06,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887275069] [2020-09-17 02:06:06,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:06,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:06:06,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489782800] [2020-09-17 02:06:06,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:06:06,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:06,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:06:06,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:06:06,717 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-09-17 02:06:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:06,984 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-09-17 02:06:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:06:06,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-17 02:06:06,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:07,081 INFO L225 Difference]: With dead ends: 23586 [2020-09-17 02:06:07,081 INFO L226 Difference]: Without dead ends: 23544 [2020-09-17 02:06:07,082 INFO L675 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 [2020-09-17 02:06:08,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-09-17 02:06:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-09-17 02:06:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-09-17 02:06:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-09-17 02:06:08,807 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-09-17 02:06:08,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:08,807 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-09-17 02:06:08,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:06:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-09-17 02:06:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 02:06:08,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:08,808 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:08,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-17 02:06:08,808 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:08,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1801459304, now seen corresponding path program 1 times [2020-09-17 02:06:08,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:08,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936655517] [2020-09-17 02:06:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:06:08,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936655517] [2020-09-17 02:06:08,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:08,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:06:08,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905337359] [2020-09-17 02:06:08,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:06:08,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:08,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:06:08,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:06:08,862 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-09-17 02:06:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:09,330 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-09-17 02:06:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:06:09,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-17 02:06:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:09,408 INFO L225 Difference]: With dead ends: 25978 [2020-09-17 02:06:09,409 INFO L226 Difference]: Without dead ends: 25910 [2020-09-17 02:06:09,409 INFO L675 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 [2020-09-17 02:06:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-09-17 02:06:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-09-17 02:06:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-09-17 02:06:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-09-17 02:06:11,506 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-09-17 02:06:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:11,507 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-09-17 02:06:11,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:06:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-09-17 02:06:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 02:06:11,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:11,508 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:11,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-17 02:06:11,509 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:11,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:11,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1447988544, now seen corresponding path program 1 times [2020-09-17 02:06:11,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:11,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729977125] [2020-09-17 02:06:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:11,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729977125] [2020-09-17 02:06:11,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:11,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:06:11,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551078674] [2020-09-17 02:06:11,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:06:11,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:11,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:06:11,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:06:11,585 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-09-17 02:06:11,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:11,642 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-09-17 02:06:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:06:11,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-17 02:06:11,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:11,649 INFO L225 Difference]: With dead ends: 3357 [2020-09-17 02:06:11,649 INFO L226 Difference]: Without dead ends: 3357 [2020-09-17 02:06:11,651 INFO L675 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 [2020-09-17 02:06:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-17 02:06:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-09-17 02:06:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-09-17 02:06:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-09-17 02:06:11,734 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-09-17 02:06:11,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:11,734 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-09-17 02:06:11,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:06:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-09-17 02:06:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:06:11,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:11,736 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:11,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-17 02:06:11,737 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:11,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:11,737 INFO L82 PathProgramCache]: Analyzing trace with hash -905254240, now seen corresponding path program 1 times [2020-09-17 02:06:11,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:11,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632897651] [2020-09-17 02:06:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:11,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632897651] [2020-09-17 02:06:11,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478351097] [2020-09-17 02:06:11,853 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 [2020-09-17 02:06:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:11,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:06:11,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:06:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:12,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:06:12,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:06:12,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167495952] [2020-09-17 02:06:12,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:06:12,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:12,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:06:12,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:06:12,077 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 12 states. [2020-09-17 02:06:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:12,512 INFO L93 Difference]: Finished difference Result 5986 states and 16536 transitions. [2020-09-17 02:06:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:06:12,513 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-17 02:06:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:12,526 INFO L225 Difference]: With dead ends: 5986 [2020-09-17 02:06:12,527 INFO L226 Difference]: Without dead ends: 5962 [2020-09-17 02:06:12,527 INFO L675 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 [2020-09-17 02:06:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2020-09-17 02:06:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3137. [2020-09-17 02:06:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-09-17 02:06:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 9109 transitions. [2020-09-17 02:06:12,639 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 9109 transitions. Word has length 18 [2020-09-17 02:06:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:12,640 INFO L479 AbstractCegarLoop]: Abstraction has 3137 states and 9109 transitions. [2020-09-17 02:06:12,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:06:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 9109 transitions. [2020-09-17 02:06:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:06:12,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:12,641 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:12,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:06:12,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:12,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1569744228, now seen corresponding path program 1 times [2020-09-17 02:06:12,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:12,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855603015] [2020-09-17 02:06:12,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-17 02:06:12,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855603015] [2020-09-17 02:06:12,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:12,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:06:12,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059717936] [2020-09-17 02:06:12,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:06:12,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:12,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:06:12,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:06:12,926 INFO L87 Difference]: Start difference. First operand 3137 states and 9109 transitions. Second operand 5 states. [2020-09-17 02:06:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:13,096 INFO L93 Difference]: Finished difference Result 5118 states and 14425 transitions. [2020-09-17 02:06:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:06:13,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-17 02:06:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:13,103 INFO L225 Difference]: With dead ends: 5118 [2020-09-17 02:06:13,103 INFO L226 Difference]: Without dead ends: 5108 [2020-09-17 02:06:13,104 INFO L675 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 [2020-09-17 02:06:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2020-09-17 02:06:13,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 3381. [2020-09-17 02:06:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-09-17 02:06:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-09-17 02:06:13,185 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-09-17 02:06:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:13,186 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-09-17 02:06:13,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:06:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-09-17 02:06:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:06:13,187 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:13,187 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:13,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-17 02:06:13,188 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:13,188 INFO L82 PathProgramCache]: Analyzing trace with hash 162149792, now seen corresponding path program 1 times [2020-09-17 02:06:13,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:13,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654768845] [2020-09-17 02:06:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:06:13,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654768845] [2020-09-17 02:06:13,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:13,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:06:13,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948343359] [2020-09-17 02:06:13,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:06:13,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:13,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:06:13,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:06:13,284 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-09-17 02:06:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:13,716 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-09-17 02:06:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:06:13,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-17 02:06:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:13,728 INFO L225 Difference]: With dead ends: 6300 [2020-09-17 02:06:13,728 INFO L226 Difference]: Without dead ends: 6273 [2020-09-17 02:06:13,729 INFO L675 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 [2020-09-17 02:06:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-09-17 02:06:13,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-09-17 02:06:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-09-17 02:06:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-09-17 02:06:13,814 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-09-17 02:06:13,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:13,814 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-09-17 02:06:13,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:06:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-09-17 02:06:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:06:13,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:13,866 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:13,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-17 02:06:13,866 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:13,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:13,866 INFO L82 PathProgramCache]: Analyzing trace with hash -287862172, now seen corresponding path program 1 times [2020-09-17 02:06:13,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:13,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064965105] [2020-09-17 02:06:13,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:06:13,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064965105] [2020-09-17 02:06:13,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307393507] [2020-09-17 02:06:13,962 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 [2020-09-17 02:06:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:14,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:06:14,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:06:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:06:14,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:06:14,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:06:14,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846297244] [2020-09-17 02:06:14,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:06:14,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:14,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:06:14,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:06:14,147 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-09-17 02:06:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:14,594 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-09-17 02:06:14,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:06:14,595 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-17 02:06:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:14,603 INFO L225 Difference]: With dead ends: 6095 [2020-09-17 02:06:14,603 INFO L226 Difference]: Without dead ends: 6079 [2020-09-17 02:06:14,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:06:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-09-17 02:06:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3114. [2020-09-17 02:06:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-09-17 02:06:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9010 transitions. [2020-09-17 02:06:14,669 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9010 transitions. Word has length 22 [2020-09-17 02:06:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:14,670 INFO L479 AbstractCegarLoop]: Abstraction has 3114 states and 9010 transitions. [2020-09-17 02:06:14,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:06:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9010 transitions. [2020-09-17 02:06:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:06:14,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:14,672 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:14,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-09-17 02:06:14,886 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:14,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1897707635, now seen corresponding path program 1 times [2020-09-17 02:06:14,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:14,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309167010] [2020-09-17 02:06:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:06:14,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309167010] [2020-09-17 02:06:14,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879810671] [2020-09-17 02:06:14,992 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 [2020-09-17 02:06:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:15,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:06:15,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:06:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:06:15,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:06:15,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:06:15,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524137736] [2020-09-17 02:06:15,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:06:15,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:15,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:06:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:06:15,170 INFO L87 Difference]: Start difference. First operand 3114 states and 9010 transitions. Second operand 12 states. [2020-09-17 02:06:15,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:15,673 INFO L93 Difference]: Finished difference Result 6230 states and 17201 transitions. [2020-09-17 02:06:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:06:15,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-17 02:06:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:15,684 INFO L225 Difference]: With dead ends: 6230 [2020-09-17 02:06:15,684 INFO L226 Difference]: Without dead ends: 6214 [2020-09-17 02:06:15,684 INFO L675 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 [2020-09-17 02:06:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-09-17 02:06:15,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 3152. [2020-09-17 02:06:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3152 states. [2020-09-17 02:06:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 9145 transitions. [2020-09-17 02:06:15,751 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 9145 transitions. Word has length 22 [2020-09-17 02:06:15,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:06:15,751 INFO L479 AbstractCegarLoop]: Abstraction has 3152 states and 9145 transitions. [2020-09-17 02:06:15,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:06:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 9145 transitions. [2020-09-17 02:06:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:06:15,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:15,753 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:06:15,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:06:15,955 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-17 02:06:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:15,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1666591514, now seen corresponding path program 1 times [2020-09-17 02:06:15,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:15,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466218120] [2020-09-17 02:06:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:06:15,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:06:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:06:15,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:06:15,994 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 02:06:15,995 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 02:06:15,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-17 02:06:15,995 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-17 02:06:15,997 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-17 02:06:15,997 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-17 02:06:16,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,018 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,027 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,039 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,044 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,044 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:06:16,078 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-17 02:06:16,078 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:06:16,079 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:06:16,079 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:06:16,079 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:06:16,079 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:06:16,079 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:06:16,079 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:06:16,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:06:16,082 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-09-17 02:06:16,083 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-17 02:06:16,128 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-17 02:06:16,128 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-17 02:06:16,131 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. [2020-09-17 02:06:16,150 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-17 02:06:16,189 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-17 02:06:16,189 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-17 02:06:16,192 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. [2020-09-17 02:06:16,200 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-09-17 02:06:16,200 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:06:19,885 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-17 02:06:21,259 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-09-17 02:06:21,911 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-17 02:06:22,222 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-17 02:06:22,230 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17154 [2020-09-17 02:06:22,231 INFO L214 etLargeBlockEncoding]: Total number of compositions: 177 [2020-09-17 02:06:22,231 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 57 transitions, 204 flow [2020-09-17 02:06:44,006 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-09-17 02:06:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-09-17 02:06:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-17 02:06:44,007 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:06:44,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-17 02:06:44,007 INFO L427 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]=== [2020-09-17 02:06:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:06:44,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1587786, now seen corresponding path program 1 times [2020-09-17 02:06:44,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:06:44,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643246350] [2020-09-17 02:06:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:06:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:06:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:06:44,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643246350] [2020-09-17 02:06:44,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:06:44,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 02:06:44,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201798966] [2020-09-17 02:06:44,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:06:44,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:06:44,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:06:44,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:06:44,037 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-09-17 02:06:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:06:49,572 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-09-17 02:06:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:06:49,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-17 02:06:49,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:06:50,057 INFO L225 Difference]: With dead ends: 118175 [2020-09-17 02:06:50,057 INFO L226 Difference]: Without dead ends: 110531 [2020-09-17 02:06:50,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:06:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-09-17 02:06:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-09-17 02:06:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-09-17 02:07:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-09-17 02:07:01,098 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-09-17 02:07:01,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:01,098 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-09-17 02:07:01,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:07:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-09-17 02:07:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-17 02:07:01,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:01,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:01,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-17 02:07:01,099 INFO L427 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]=== [2020-09-17 02:07:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1592599097, now seen corresponding path program 1 times [2020-09-17 02:07:01,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:01,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666959713] [2020-09-17 02:07:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:07:01,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666959713] [2020-09-17 02:07:01,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:01,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:07:01,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283396627] [2020-09-17 02:07:01,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:07:01,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:01,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:07:01,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:07:01,162 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-09-17 02:07:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:11,246 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-09-17 02:07:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:07:11,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-17 02:07:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:12,040 INFO L225 Difference]: With dead ends: 187755 [2020-09-17 02:07:12,040 INFO L226 Difference]: Without dead ends: 187578 [2020-09-17 02:07:12,041 INFO L675 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 [2020-09-17 02:07:14,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-09-17 02:07:25,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-09-17 02:07:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-09-17 02:07:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-09-17 02:07:25,595 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-09-17 02:07:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:25,595 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-09-17 02:07:25,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:07:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-09-17 02:07:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 02:07:25,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:25,596 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:25,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-17 02:07:25,596 INFO L427 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]=== [2020-09-17 02:07:25,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:25,596 INFO L82 PathProgramCache]: Analyzing trace with hash -2054167379, now seen corresponding path program 1 times [2020-09-17 02:07:25,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:25,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325496800] [2020-09-17 02:07:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:07:25,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325496800] [2020-09-17 02:07:25,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:25,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:07:25,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777406861] [2020-09-17 02:07:25,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:07:25,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:25,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:07:25,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:07:25,656 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-09-17 02:07:35,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:35,692 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-09-17 02:07:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:07:35,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-17 02:07:35,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:36,601 INFO L225 Difference]: With dead ends: 212246 [2020-09-17 02:07:36,601 INFO L226 Difference]: Without dead ends: 211934 [2020-09-17 02:07:36,602 INFO L675 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 [2020-09-17 02:07:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-09-17 02:07:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-09-17 02:07:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-09-17 02:07:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-09-17 02:07:49,382 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-09-17 02:07:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:49,382 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-09-17 02:07:49,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:07:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-09-17 02:07:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 02:07:49,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:49,384 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:49,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-17 02:07:49,384 INFO L427 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]=== [2020-09-17 02:07:49,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:49,384 INFO L82 PathProgramCache]: Analyzing trace with hash -53690513, now seen corresponding path program 1 times [2020-09-17 02:07:49,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:49,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856656857] [2020-09-17 02:07:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:07:49,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856656857] [2020-09-17 02:07:49,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:49,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:07:49,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187959338] [2020-09-17 02:07:49,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 02:07:49,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:49,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 02:07:49,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 02:07:49,430 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-09-17 02:07:49,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:49,545 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-09-17 02:07:49,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 02:07:49,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-17 02:07:49,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:49,575 INFO L225 Difference]: With dead ends: 14050 [2020-09-17 02:07:49,575 INFO L226 Difference]: Without dead ends: 14050 [2020-09-17 02:07:49,575 INFO L675 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 [2020-09-17 02:07:49,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-09-17 02:07:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-09-17 02:07:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-09-17 02:07:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-09-17 02:07:49,855 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-09-17 02:07:49,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:49,855 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-09-17 02:07:49,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 02:07:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-09-17 02:07:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:07:49,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:49,856 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:49,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-09-17 02:07:49,856 INFO L427 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]=== [2020-09-17 02:07:49,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:49,857 INFO L82 PathProgramCache]: Analyzing trace with hash 693844998, now seen corresponding path program 1 times [2020-09-17 02:07:49,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:49,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664418228] [2020-09-17 02:07:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:07:49,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664418228] [2020-09-17 02:07:49,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860605987] [2020-09-17 02:07:49,974 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 [2020-09-17 02:07:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:50,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:07:50,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:07:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:07:50,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:07:50,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:07:50,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508858677] [2020-09-17 02:07:50,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:07:50,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:50,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:07:50,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:07:50,205 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-09-17 02:07:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:52,927 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-09-17 02:07:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:07:52,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-17 02:07:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:52,974 INFO L225 Difference]: With dead ends: 28297 [2020-09-17 02:07:52,974 INFO L226 Difference]: Without dead ends: 28227 [2020-09-17 02:07:52,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:07:53,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-09-17 02:07:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-09-17 02:07:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-09-17 02:07:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-09-17 02:07:53,345 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-09-17 02:07:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:53,345 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-09-17 02:07:53,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:07:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-09-17 02:07:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:07:53,346 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:53,346 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:53,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-09-17 02:07:53,547 INFO L427 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]=== [2020-09-17 02:07:53,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:53,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1124175233, now seen corresponding path program 1 times [2020-09-17 02:07:53,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:53,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808469596] [2020-09-17 02:07:53,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-17 02:07:53,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808469596] [2020-09-17 02:07:53,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:53,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:07:53,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594245865] [2020-09-17 02:07:53,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:07:53,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:53,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:07:53,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:07:53,644 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-09-17 02:07:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:54,263 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-09-17 02:07:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:07:54,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-17 02:07:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:54,313 INFO L225 Difference]: With dead ends: 28575 [2020-09-17 02:07:54,313 INFO L226 Difference]: Without dead ends: 28491 [2020-09-17 02:07:54,314 INFO L675 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 [2020-09-17 02:07:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-09-17 02:07:54,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-09-17 02:07:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-09-17 02:07:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-09-17 02:07:54,678 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-09-17 02:07:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:54,678 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-09-17 02:07:54,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:07:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-09-17 02:07:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-17 02:07:54,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:54,679 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:54,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-17 02:07:54,679 INFO L427 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]=== [2020-09-17 02:07:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash 427682604, now seen corresponding path program 1 times [2020-09-17 02:07:54,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:54,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511872475] [2020-09-17 02:07:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-17 02:07:54,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511872475] [2020-09-17 02:07:54,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:54,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:07:54,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382761811] [2020-09-17 02:07:54,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:07:54,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:54,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:07:54,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:07:54,745 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-09-17 02:07:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:55,041 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-09-17 02:07:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:07:55,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-17 02:07:55,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:55,100 INFO L225 Difference]: With dead ends: 24605 [2020-09-17 02:07:55,100 INFO L226 Difference]: Without dead ends: 24581 [2020-09-17 02:07:55,101 INFO L675 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 [2020-09-17 02:07:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-09-17 02:07:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-09-17 02:07:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-09-17 02:07:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-09-17 02:07:55,670 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-09-17 02:07:55,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:55,671 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-09-17 02:07:55,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:07:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-09-17 02:07:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:07:55,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:55,673 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:55,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-09-17 02:07:55,673 INFO L427 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]=== [2020-09-17 02:07:55,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:55,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1364464123, now seen corresponding path program 1 times [2020-09-17 02:07:55,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:55,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631433539] [2020-09-17 02:07:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:07:55,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631433539] [2020-09-17 02:07:55,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699508341] [2020-09-17 02:07:55,763 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 [2020-09-17 02:07:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:55,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:07:55,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:07:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:07:55,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:07:55,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:07:55,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986993864] [2020-09-17 02:07:55,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:07:55,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:55,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:07:55,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:07:55,969 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-09-17 02:07:56,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:56,661 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-09-17 02:07:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:07:56,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-17 02:07:56,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:56,719 INFO L225 Difference]: With dead ends: 31898 [2020-09-17 02:07:56,719 INFO L226 Difference]: Without dead ends: 31865 [2020-09-17 02:07:56,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:07:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-09-17 02:07:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-09-17 02:07:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-09-17 02:07:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-09-17 02:07:57,131 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-09-17 02:07:57,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:57,131 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-09-17 02:07:57,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:07:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-09-17 02:07:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:07:57,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:57,133 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:57,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:07:57,340 INFO L427 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]=== [2020-09-17 02:07:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:57,341 INFO L82 PathProgramCache]: Analyzing trace with hash 321088405, now seen corresponding path program 1 times [2020-09-17 02:07:57,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:57,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139911281] [2020-09-17 02:07:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:07:57,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139911281] [2020-09-17 02:07:57,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442024805] [2020-09-17 02:07:57,424 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 [2020-09-17 02:07:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:57,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:07:57,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:07:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:07:57,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:07:57,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:07:57,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962972980] [2020-09-17 02:07:57,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:07:57,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:57,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:07:57,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:07:57,641 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-09-17 02:07:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:58,387 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-09-17 02:07:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:07:58,388 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-17 02:07:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:58,444 INFO L225 Difference]: With dead ends: 32253 [2020-09-17 02:07:58,444 INFO L226 Difference]: Without dead ends: 32220 [2020-09-17 02:07:58,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:07:58,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-09-17 02:07:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-09-17 02:07:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-09-17 02:07:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-09-17 02:07:59,013 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-09-17 02:07:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:59,013 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-09-17 02:07:59,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:07:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-09-17 02:07:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:07:59,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:59,015 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:59,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:07:59,217 INFO L427 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]=== [2020-09-17 02:07:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:59,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1406316126, now seen corresponding path program 1 times [2020-09-17 02:07:59,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:59,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428963961] [2020-09-17 02:07:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:07:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-17 02:07:59,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428963961] [2020-09-17 02:07:59,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:07:59,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 02:07:59,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284617360] [2020-09-17 02:07:59,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 02:07:59,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:07:59,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 02:07:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 02:07:59,295 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 5 states. [2020-09-17 02:07:59,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:07:59,562 INFO L93 Difference]: Finished difference Result 23466 states and 75382 transitions. [2020-09-17 02:07:59,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 02:07:59,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-17 02:07:59,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:07:59,601 INFO L225 Difference]: With dead ends: 23466 [2020-09-17 02:07:59,601 INFO L226 Difference]: Without dead ends: 23442 [2020-09-17 02:07:59,602 INFO L675 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 [2020-09-17 02:07:59,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2020-09-17 02:07:59,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14781. [2020-09-17 02:07:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14781 states. [2020-09-17 02:07:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 48769 transitions. [2020-09-17 02:07:59,960 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 48769 transitions. Word has length 22 [2020-09-17 02:07:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:07:59,961 INFO L479 AbstractCegarLoop]: Abstraction has 14781 states and 48769 transitions. [2020-09-17 02:07:59,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 02:07:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 48769 transitions. [2020-09-17 02:07:59,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:07:59,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:07:59,964 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:07:59,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-17 02:07:59,964 INFO L427 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]=== [2020-09-17 02:07:59,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:07:59,965 INFO L82 PathProgramCache]: Analyzing trace with hash -103257068, now seen corresponding path program 1 times [2020-09-17 02:07:59,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:07:59,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076895502] [2020-09-17 02:07:59,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:07:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-17 02:08:00,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076895502] [2020-09-17 02:08:00,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:08:00,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:08:00,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092613559] [2020-09-17 02:08:00,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:08:00,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:00,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:08:00,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:08:00,054 INFO L87 Difference]: Start difference. First operand 14781 states and 48769 transitions. Second operand 7 states. [2020-09-17 02:08:00,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:00,651 INFO L93 Difference]: Finished difference Result 33669 states and 108193 transitions. [2020-09-17 02:08:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:00,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-17 02:08:00,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:00,736 INFO L225 Difference]: With dead ends: 33669 [2020-09-17 02:08:00,737 INFO L226 Difference]: Without dead ends: 33617 [2020-09-17 02:08:00,739 INFO L675 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 [2020-09-17 02:08:00,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33617 states. [2020-09-17 02:08:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33617 to 14680. [2020-09-17 02:08:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14680 states. [2020-09-17 02:08:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14680 states to 14680 states and 48297 transitions. [2020-09-17 02:08:01,183 INFO L78 Accepts]: Start accepts. Automaton has 14680 states and 48297 transitions. Word has length 22 [2020-09-17 02:08:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:01,183 INFO L479 AbstractCegarLoop]: Abstraction has 14680 states and 48297 transitions. [2020-09-17 02:08:01,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:08:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 14680 states and 48297 transitions. [2020-09-17 02:08:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-17 02:08:01,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:01,185 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:01,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-17 02:08:01,186 INFO L427 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]=== [2020-09-17 02:08:01,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:01,186 INFO L82 PathProgramCache]: Analyzing trace with hash -103169493, now seen corresponding path program 1 times [2020-09-17 02:08:01,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:01,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042940793] [2020-09-17 02:08:01,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:01,392 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-09-17 02:08:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-17 02:08:01,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042940793] [2020-09-17 02:08:01,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:08:01,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:08:01,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939669184] [2020-09-17 02:08:01,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:08:01,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:01,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:08:01,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:08:01,422 INFO L87 Difference]: Start difference. First operand 14680 states and 48297 transitions. Second operand 7 states. [2020-09-17 02:08:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:02,019 INFO L93 Difference]: Finished difference Result 33499 states and 107547 transitions. [2020-09-17 02:08:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:02,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-17 02:08:02,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:02,078 INFO L225 Difference]: With dead ends: 33499 [2020-09-17 02:08:02,078 INFO L226 Difference]: Without dead ends: 33447 [2020-09-17 02:08:02,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-17 02:08:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33447 states. [2020-09-17 02:08:02,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33447 to 14368. [2020-09-17 02:08:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-09-17 02:08:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-09-17 02:08:02,508 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-09-17 02:08:02,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:02,509 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-09-17 02:08:02,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:08:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-09-17 02:08:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:02,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:02,513 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] [2020-09-17 02:08:02,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-09-17 02:08:02,514 INFO L427 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]=== [2020-09-17 02:08:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:02,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1988994578, now seen corresponding path program 1 times [2020-09-17 02:08:02,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:02,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748976076] [2020-09-17 02:08:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:08:02,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748976076] [2020-09-17 02:08:02,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861657138] [2020-09-17 02:08:02,640 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 [2020-09-17 02:08:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:02,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-17 02:08:02,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 02:08:02,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:02,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-17 02:08:02,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686828085] [2020-09-17 02:08:02,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-17 02:08:02,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:02,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-17 02:08:02,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-17 02:08:02,892 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-09-17 02:08:04,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:04,595 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-09-17 02:08:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-17 02:08:04,595 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-17 02:08:04,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:04,669 INFO L225 Difference]: With dead ends: 41694 [2020-09-17 02:08:04,669 INFO L226 Difference]: Without dead ends: 41661 [2020-09-17 02:08:04,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-17 02:08:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-09-17 02:08:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-09-17 02:08:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-09-17 02:08:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-09-17 02:08:05,335 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-09-17 02:08:05,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:05,335 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-09-17 02:08:05,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-17 02:08:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-09-17 02:08:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:05,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:05,339 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:05,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-09-17 02:08:05,540 INFO L427 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]=== [2020-09-17 02:08:05,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:05,541 INFO L82 PathProgramCache]: Analyzing trace with hash -903766857, now seen corresponding path program 1 times [2020-09-17 02:08:05,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:05,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190343995] [2020-09-17 02:08:05,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-17 02:08:05,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190343995] [2020-09-17 02:08:05,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280483681] [2020-09-17 02:08:05,630 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 [2020-09-17 02:08:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:05,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:08:05,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-17 02:08:05,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:05,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:08:05,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043834593] [2020-09-17 02:08:05,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:08:05,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:05,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:08:05,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:08:05,827 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 12 states. [2020-09-17 02:08:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:06,586 INFO L93 Difference]: Finished difference Result 30858 states and 98003 transitions. [2020-09-17 02:08:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:06,586 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-17 02:08:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:06,639 INFO L225 Difference]: With dead ends: 30858 [2020-09-17 02:08:06,639 INFO L226 Difference]: Without dead ends: 30822 [2020-09-17 02:08:06,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:08:06,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30822 states. [2020-09-17 02:08:07,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30822 to 14230. [2020-09-17 02:08:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2020-09-17 02:08:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 46630 transitions. [2020-09-17 02:08:07,048 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 46630 transitions. Word has length 26 [2020-09-17 02:08:07,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:07,048 INFO L479 AbstractCegarLoop]: Abstraction has 14230 states and 46630 transitions. [2020-09-17 02:08:07,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:08:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 46630 transitions. [2020-09-17 02:08:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:07,052 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:07,052 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] [2020-09-17 02:08:07,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-09-17 02:08:07,253 INFO L427 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]=== [2020-09-17 02:08:07,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:07,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1881627245, now seen corresponding path program 1 times [2020-09-17 02:08:07,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:07,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637539603] [2020-09-17 02:08:07,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:07,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637539603] [2020-09-17 02:08:07,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895818904] [2020-09-17 02:08:07,367 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 [2020-09-17 02:08:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:07,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-17 02:08:07,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:07,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:07,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-17 02:08:07,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243655875] [2020-09-17 02:08:07,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-17 02:08:07,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:07,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-17 02:08:07,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-17 02:08:07,595 INFO L87 Difference]: Start difference. First operand 14230 states and 46630 transitions. Second operand 16 states. [2020-09-17 02:08:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:09,373 INFO L93 Difference]: Finished difference Result 40917 states and 129671 transitions. [2020-09-17 02:08:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-17 02:08:09,374 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-17 02:08:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:09,446 INFO L225 Difference]: With dead ends: 40917 [2020-09-17 02:08:09,446 INFO L226 Difference]: Without dead ends: 40856 [2020-09-17 02:08:09,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-17 02:08:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40856 states. [2020-09-17 02:08:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40856 to 14016. [2020-09-17 02:08:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-09-17 02:08:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-09-17 02:08:09,922 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-09-17 02:08:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:09,922 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-09-17 02:08:09,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-17 02:08:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-09-17 02:08:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:09,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:09,926 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] [2020-09-17 02:08:10,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-09-17 02:08:10,127 INFO L427 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]=== [2020-09-17 02:08:10,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:10,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2145591314, now seen corresponding path program 2 times [2020-09-17 02:08:10,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:10,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763271315] [2020-09-17 02:08:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:10,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763271315] [2020-09-17 02:08:10,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573519715] [2020-09-17 02:08:10,243 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 [2020-09-17 02:08:10,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-17 02:08:10,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-17 02:08:10,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-17 02:08:10,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:10,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:10,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-17 02:08:10,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860192057] [2020-09-17 02:08:10,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-17 02:08:10,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:10,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-17 02:08:10,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-17 02:08:10,485 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 16 states. [2020-09-17 02:08:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:11,965 INFO L93 Difference]: Finished difference Result 40809 states and 129085 transitions. [2020-09-17 02:08:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-17 02:08:11,965 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-17 02:08:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:12,036 INFO L225 Difference]: With dead ends: 40809 [2020-09-17 02:08:12,036 INFO L226 Difference]: Without dead ends: 40776 [2020-09-17 02:08:12,037 INFO L675 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 [2020-09-17 02:08:12,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40776 states. [2020-09-17 02:08:12,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40776 to 13814. [2020-09-17 02:08:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13814 states. [2020-09-17 02:08:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13814 states to 13814 states and 45293 transitions. [2020-09-17 02:08:12,671 INFO L78 Accepts]: Start accepts. Automaton has 13814 states and 45293 transitions. Word has length 26 [2020-09-17 02:08:12,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:12,671 INFO L479 AbstractCegarLoop]: Abstraction has 13814 states and 45293 transitions. [2020-09-17 02:08:12,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-17 02:08:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13814 states and 45293 transitions. [2020-09-17 02:08:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:12,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:12,675 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:12,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-09-17 02:08:12,876 INFO L427 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]=== [2020-09-17 02:08:12,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:12,876 INFO L82 PathProgramCache]: Analyzing trace with hash 75485767, now seen corresponding path program 1 times [2020-09-17 02:08:12,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:12,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222104453] [2020-09-17 02:08:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-17 02:08:12,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222104453] [2020-09-17 02:08:12,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31641770] [2020-09-17 02:08:12,967 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 [2020-09-17 02:08:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:13,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:08:13,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-17 02:08:13,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:13,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:08:13,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674773284] [2020-09-17 02:08:13,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:08:13,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:13,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:08:13,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:08:13,159 INFO L87 Difference]: Start difference. First operand 13814 states and 45293 transitions. Second operand 12 states. [2020-09-17 02:08:13,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:13,943 INFO L93 Difference]: Finished difference Result 31476 states and 100257 transitions. [2020-09-17 02:08:13,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:13,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-17 02:08:13,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:13,998 INFO L225 Difference]: With dead ends: 31476 [2020-09-17 02:08:13,998 INFO L226 Difference]: Without dead ends: 31440 [2020-09-17 02:08:13,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:08:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31440 states. [2020-09-17 02:08:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31440 to 14284. [2020-09-17 02:08:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14284 states. [2020-09-17 02:08:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14284 states to 14284 states and 47044 transitions. [2020-09-17 02:08:14,415 INFO L78 Accepts]: Start accepts. Automaton has 14284 states and 47044 transitions. Word has length 26 [2020-09-17 02:08:14,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:14,416 INFO L479 AbstractCegarLoop]: Abstraction has 14284 states and 47044 transitions. [2020-09-17 02:08:14,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:08:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 14284 states and 47044 transitions. [2020-09-17 02:08:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:14,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:14,419 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] [2020-09-17 02:08:14,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:08:14,620 INFO L427 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]=== [2020-09-17 02:08:14,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:14,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1433999852, now seen corresponding path program 1 times [2020-09-17 02:08:14,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:14,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795762657] [2020-09-17 02:08:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:14,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795762657] [2020-09-17 02:08:14,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299132031] [2020-09-17 02:08:14,730 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 [2020-09-17 02:08:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:14,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-17 02:08:14,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-17 02:08:14,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:14,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-17 02:08:14,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836822229] [2020-09-17 02:08:14,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-17 02:08:14,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:14,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-17 02:08:14,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-17 02:08:14,976 INFO L87 Difference]: Start difference. First operand 14284 states and 47044 transitions. Second operand 16 states. [2020-09-17 02:08:16,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:16,849 INFO L93 Difference]: Finished difference Result 41255 states and 130887 transitions. [2020-09-17 02:08:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-17 02:08:16,850 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-17 02:08:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:16,922 INFO L225 Difference]: With dead ends: 41255 [2020-09-17 02:08:16,922 INFO L226 Difference]: Without dead ends: 41194 [2020-09-17 02:08:16,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-17 02:08:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41194 states. [2020-09-17 02:08:17,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41194 to 14132. [2020-09-17 02:08:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-09-17 02:08:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-09-17 02:08:17,381 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-09-17 02:08:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:17,381 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-09-17 02:08:17,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-17 02:08:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-09-17 02:08:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:17,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:17,386 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:17,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2020-09-17 02:08:17,599 INFO L427 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]=== [2020-09-17 02:08:17,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:17,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1843074133, now seen corresponding path program 1 times [2020-09-17 02:08:17,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:17,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999387347] [2020-09-17 02:08:17,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-17 02:08:17,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999387347] [2020-09-17 02:08:17,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312073447] [2020-09-17 02:08:17,692 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 [2020-09-17 02:08:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:17,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-17 02:08:17,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-17 02:08:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-17 02:08:17,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-17 02:08:17,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-17 02:08:17,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143780364] [2020-09-17 02:08:17,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 02:08:17,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:17,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 02:08:17,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-17 02:08:17,918 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 12 states. [2020-09-17 02:08:18,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:18,659 INFO L93 Difference]: Finished difference Result 32868 states and 106131 transitions. [2020-09-17 02:08:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:18,660 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-17 02:08:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:18,717 INFO L225 Difference]: With dead ends: 32868 [2020-09-17 02:08:18,717 INFO L226 Difference]: Without dead ends: 32842 [2020-09-17 02:08:18,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-17 02:08:18,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32842 states. [2020-09-17 02:08:19,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32842 to 14171. [2020-09-17 02:08:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14171 states. [2020-09-17 02:08:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14171 states to 14171 states and 46691 transitions. [2020-09-17 02:08:19,145 INFO L78 Accepts]: Start accepts. Automaton has 14171 states and 46691 transitions. Word has length 26 [2020-09-17 02:08:19,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:19,145 INFO L479 AbstractCegarLoop]: Abstraction has 14171 states and 46691 transitions. [2020-09-17 02:08:19,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 02:08:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14171 states and 46691 transitions. [2020-09-17 02:08:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:19,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:19,150 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:19,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-17 02:08:19,350 INFO L427 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]=== [2020-09-17 02:08:19,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:19,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1288861438, now seen corresponding path program 1 times [2020-09-17 02:08:19,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:19,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232403927] [2020-09-17 02:08:19,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-17 02:08:19,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232403927] [2020-09-17 02:08:19,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:08:19,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:08:19,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719553794] [2020-09-17 02:08:19,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:08:19,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:19,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:08:19,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:08:19,440 INFO L87 Difference]: Start difference. First operand 14171 states and 46691 transitions. Second operand 7 states. [2020-09-17 02:08:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:20,206 INFO L93 Difference]: Finished difference Result 30961 states and 98367 transitions. [2020-09-17 02:08:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:20,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-17 02:08:20,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:20,419 INFO L225 Difference]: With dead ends: 30961 [2020-09-17 02:08:20,419 INFO L226 Difference]: Without dead ends: 30919 [2020-09-17 02:08:20,419 INFO L675 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 [2020-09-17 02:08:20,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2020-09-17 02:08:20,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 14526. [2020-09-17 02:08:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14526 states. [2020-09-17 02:08:20,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 47951 transitions. [2020-09-17 02:08:20,820 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 47951 transitions. Word has length 26 [2020-09-17 02:08:20,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:20,820 INFO L479 AbstractCegarLoop]: Abstraction has 14526 states and 47951 transitions. [2020-09-17 02:08:20,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:08:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 47951 transitions. [2020-09-17 02:08:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:20,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:20,824 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:20,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-09-17 02:08:20,824 INFO L427 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]=== [2020-09-17 02:08:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1288773863, now seen corresponding path program 1 times [2020-09-17 02:08:20,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:20,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659427212] [2020-09-17 02:08:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-17 02:08:20,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659427212] [2020-09-17 02:08:20,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:08:20,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:08:20,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097875817] [2020-09-17 02:08:20,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:08:20,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:20,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:08:20,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:08:20,923 INFO L87 Difference]: Start difference. First operand 14526 states and 47951 transitions. Second operand 7 states. [2020-09-17 02:08:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:21,558 INFO L93 Difference]: Finished difference Result 31047 states and 98602 transitions. [2020-09-17 02:08:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:21,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-17 02:08:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:21,611 INFO L225 Difference]: With dead ends: 31047 [2020-09-17 02:08:21,611 INFO L226 Difference]: Without dead ends: 31005 [2020-09-17 02:08:21,611 INFO L675 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 [2020-09-17 02:08:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31005 states. [2020-09-17 02:08:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31005 to 14408. [2020-09-17 02:08:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14408 states. [2020-09-17 02:08:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 47461 transitions. [2020-09-17 02:08:22,012 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 47461 transitions. Word has length 26 [2020-09-17 02:08:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:22,012 INFO L479 AbstractCegarLoop]: Abstraction has 14408 states and 47461 transitions. [2020-09-17 02:08:22,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:08:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 47461 transitions. [2020-09-17 02:08:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:22,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:22,016 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:22,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-09-17 02:08:22,016 INFO L427 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]=== [2020-09-17 02:08:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:22,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1288707709, now seen corresponding path program 1 times [2020-09-17 02:08:22,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:22,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188662490] [2020-09-17 02:08:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 02:08:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-17 02:08:22,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188662490] [2020-09-17 02:08:22,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 02:08:22,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-17 02:08:22,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005272219] [2020-09-17 02:08:22,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 02:08:22,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 02:08:22,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 02:08:22,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-17 02:08:22,107 INFO L87 Difference]: Start difference. First operand 14408 states and 47461 transitions. Second operand 7 states. [2020-09-17 02:08:22,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 02:08:22,724 INFO L93 Difference]: Finished difference Result 33008 states and 106518 transitions. [2020-09-17 02:08:22,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-17 02:08:22,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-17 02:08:22,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 02:08:22,781 INFO L225 Difference]: With dead ends: 33008 [2020-09-17 02:08:22,781 INFO L226 Difference]: Without dead ends: 32988 [2020-09-17 02:08:22,782 INFO L675 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 [2020-09-17 02:08:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32988 states. [2020-09-17 02:08:23,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32988 to 14212. [2020-09-17 02:08:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14212 states. [2020-09-17 02:08:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14212 states to 14212 states and 46599 transitions. [2020-09-17 02:08:23,340 INFO L78 Accepts]: Start accepts. Automaton has 14212 states and 46599 transitions. Word has length 26 [2020-09-17 02:08:23,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 02:08:23,340 INFO L479 AbstractCegarLoop]: Abstraction has 14212 states and 46599 transitions. [2020-09-17 02:08:23,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 02:08:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 14212 states and 46599 transitions. [2020-09-17 02:08:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-17 02:08:23,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 02:08:23,344 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 02:08:23,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-09-17 02:08:23,345 INFO L427 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]=== [2020-09-17 02:08:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 02:08:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1151627457, now seen corresponding path program 1 times [2020-09-17 02:08:23,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 02:08:23,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561594466] [2020-09-17 02:08:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 02:08:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:08:23,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:08:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-17 02:08:23,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-17 02:08:23,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-17 02:08:23,382 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-17 02:08:23,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-09-17 02:08:23,383 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-17 02:08:23,383 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-17 02:08:23,384 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-09-17 02:08:23,403 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,411 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,429 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,441 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,441 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,443 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,443 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,444 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,444 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,446 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,447 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,447 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,447 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,448 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,448 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,448 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,448 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,451 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,451 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,451 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,451 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 02:08:23,471 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-17 02:08:23,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 02:08:23,472 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 02:08:23,472 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 02:08:23,472 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 02:08:23,472 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 02:08:23,472 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 02:08:23,473 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 02:08:23,473 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 02:08:23,476 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-09-17 02:08:23,476 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-17 02:08:23,521 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-17 02:08:23,521 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-17 02:08:23,525 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. [2020-09-17 02:08:23,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-17 02:08:23,587 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-17 02:08:23,587 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-17 02:08:23,591 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. [2020-09-17 02:08:23,605 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-09-17 02:08:23,605 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 02:08:26,923 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-17 02:08:28,569 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-09-17 02:08:29,597 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-17 02:08:30,080 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-17 02:08:30,366 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-17 02:08:31,048 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-09-17 02:08:31,211 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-17 02:08:31,222 INFO L206 etLargeBlockEncoding]: Checked pairs total: 25601 [2020-09-17 02:08:31,222 INFO L214 etLargeBlockEncoding]: Total number of compositions: 202 [2020-09-17 02:08:31,222 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 67 transitions, 254 flow