/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 02:37:15,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 02:37:15,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 02:37:15,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 02:37:15,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 02:37:15,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 02:37:15,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 02:37:15,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 02:37:15,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 02:37:15,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 02:37:15,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 02:37:15,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 02:37:15,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 02:37:15,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 02:37:15,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 02:37:15,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 02:37:15,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 02:37:15,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 02:37:15,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 02:37:15,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 02:37:15,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 02:37:15,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 02:37:15,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 02:37:15,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 02:37:15,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 02:37:15,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 02:37:15,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 02:37:15,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 02:37:15,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 02:37:16,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 02:37:16,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 02:37:16,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 02:37:16,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 02:37:16,045 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 02:37:16,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 02:37:16,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 02:37:16,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 02:37:16,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 02:37:16,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 02:37:16,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 02:37:16,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 02:37:16,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 02:37:16,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 02:37:16,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 02:37:16,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 02:37:16,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 02:37:16,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 02:37:16,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 02:37:16,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 02:37:16,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 02:37:16,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:37:16,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 02:37:16,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 02:37:16,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 02:37:16,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 02:37:16,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 02:37:16,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 02:37:16,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 02:37:16,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 02:37:16,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 02:37:16,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 02:37:16,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 02:37:16,404 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 02:37:16,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-16 02:37:16,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a14855/5cd74efbe1c64411a96525d27cfed078/FLAG39b150e1d [2020-10-16 02:37:16,981 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 02:37:16,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-16 02:37:16,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a14855/5cd74efbe1c64411a96525d27cfed078/FLAG39b150e1d [2020-10-16 02:37:17,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8a14855/5cd74efbe1c64411a96525d27cfed078 [2020-10-16 02:37:17,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 02:37:17,309 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 02:37:17,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 02:37:17,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 02:37:17,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 02:37:17,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:17" (1/1) ... [2020-10-16 02:37:17,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc4303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:17, skipping insertion in model container [2020-10-16 02:37:17,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:17" (1/1) ... [2020-10-16 02:37:17,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 02:37:17,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 02:37:17,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:37:17,874 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 02:37:17,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:37:18,014 INFO L208 MainTranslator]: Completed translation [2020-10-16 02:37:18,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18 WrapperNode [2020-10-16 02:37:18,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 02:37:18,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 02:37:18,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 02:37:18,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 02:37:18,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 02:37:18,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 02:37:18,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 02:37:18,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 02:37:18,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... [2020-10-16 02:37:18,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 02:37:18,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 02:37:18,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 02:37:18,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 02:37:18,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:37:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 02:37:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 02:37:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 02:37:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 02:37:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 02:37:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 02:37:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 02:37:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 02:37:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 02:37:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 02:37:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 02:37:18,168 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 02:37:18,563 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 02:37:18,563 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-16 02:37:18,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:18 BoogieIcfgContainer [2020-10-16 02:37:18,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 02:37:18,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 02:37:18,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 02:37:18,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 02:37:18,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:37:17" (1/3) ... [2020-10-16 02:37:18,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd9b8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:18, skipping insertion in model container [2020-10-16 02:37:18,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:18" (2/3) ... [2020-10-16 02:37:18,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd9b8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:18, skipping insertion in model container [2020-10-16 02:37:18,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:18" (3/3) ... [2020-10-16 02:37:18,574 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-10-16 02:37:18,586 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 02:37:18,594 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 02:37:18,595 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 02:37:18,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:18,663 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 02:37:18,681 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:37:18,681 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:37:18,681 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:37:18,681 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:37:18,682 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:37:18,682 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:37:18,682 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:37:18,682 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:37:18,695 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 02:37:18,745 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 02:37:18,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:18,752 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 02:37:18,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 02:37:18,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 75 transitions, 158 flow [2020-10-16 02:37:18,761 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:37:18,764 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 02:37:18,767 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 02:37:18,767 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 158 flow [2020-10-16 02:37:18,801 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 02:37:18,801 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:18,803 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 113 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 02:37:18,806 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-16 02:37:20,749 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-16 02:37:20,926 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-16 02:37:21,657 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:37:21,786 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:37:21,834 INFO L132 LiptonReduction]: Checked pairs total: 1210 [2020-10-16 02:37:21,834 INFO L134 LiptonReduction]: Total number of compositions: 86 [2020-10-16 02:37:21,837 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3078 [2020-10-16 02:37:21,842 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:37:21,843 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:21,843 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:21,844 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:37:21,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:21,850 INFO L82 PathProgramCache]: Analyzing trace with hash 317060, now seen corresponding path program 1 times [2020-10-16 02:37:21,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:21,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520444005] [2020-10-16 02:37:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:22,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520444005] [2020-10-16 02:37:22,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:22,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:37:22,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114306182] [2020-10-16 02:37:22,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:22,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:22,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:22,105 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 02:37:22,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states. [2020-10-16 02:37:22,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:22,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 02:37:22,109 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:22,148 INFO L129 PetriNetUnfolder]: 13/37 cut-off events. [2020-10-16 02:37:22,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:22,148 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 37 events. 13/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 101 event pairs, 4 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2020-10-16 02:37:22,150 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 7 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2020-10-16 02:37:22,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 54 flow [2020-10-16 02:37:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2020-10-16 02:37:22,168 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5823045267489712 [2020-10-16 02:37:22,169 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2020-10-16 02:37:22,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2020-10-16 02:37:22,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:22,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2020-10-16 02:37:22,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:22,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:22,185 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:22,188 INFO L185 Difference]: Start difference. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states and 283 transitions. [2020-10-16 02:37:22,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 54 flow [2020-10-16 02:37:22,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 53 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:22,194 INFO L241 Difference]: Finished difference. Result has 19 places, 11 transitions, 37 flow [2020-10-16 02:37:22,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2020-10-16 02:37:22,197 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2020-10-16 02:37:22,198 INFO L481 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 37 flow [2020-10-16 02:37:22,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:22,198 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:22,198 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:22,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:37:22,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:22,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:22,199 INFO L82 PathProgramCache]: Analyzing trace with hash 720661308, now seen corresponding path program 1 times [2020-10-16 02:37:22,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:22,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247530482] [2020-10-16 02:37:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:22,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247530482] [2020-10-16 02:37:22,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:22,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:37:22,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039550485] [2020-10-16 02:37:22,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 02:37:22,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:22,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 02:37:22,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 02:37:22,350 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 02:37:22,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states. [2020-10-16 02:37:22,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:22,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 02:37:22,352 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:22,382 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2020-10-16 02:37:22,382 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 02:37:22,382 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 32 events. 11/32 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 83 event pairs, 4 based on Foata normal form. 3/26 useless extension candidates. Maximal degree in co-relation 71. Up to 14 conditions per place. [2020-10-16 02:37:22,383 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 4 selfloop transitions, 2 changer transitions 2/13 dead transitions. [2020-10-16 02:37:22,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 55 flow [2020-10-16 02:37:22,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 02:37:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 02:37:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 373 transitions. [2020-10-16 02:37:22,391 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5756172839506173 [2020-10-16 02:37:22,391 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 373 transitions. [2020-10-16 02:37:22,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 373 transitions. [2020-10-16 02:37:22,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:22,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 373 transitions. [2020-10-16 02:37:22,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 02:37:22,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 02:37:22,396 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 02:37:22,396 INFO L185 Difference]: Start difference. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states and 373 transitions. [2020-10-16 02:37:22,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 55 flow [2020-10-16 02:37:22,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 49 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 02:37:22,397 INFO L241 Difference]: Finished difference. Result has 18 places, 9 transitions, 29 flow [2020-10-16 02:37:22,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=29, PETRI_PLACES=18, PETRI_TRANSITIONS=9} [2020-10-16 02:37:22,398 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2020-10-16 02:37:22,398 INFO L481 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 29 flow [2020-10-16 02:37:22,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 02:37:22,399 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:22,399 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:22,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:37:22,399 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:22,400 INFO L82 PathProgramCache]: Analyzing trace with hash 865633674, now seen corresponding path program 1 times [2020-10-16 02:37:22,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:22,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814350443] [2020-10-16 02:37:22,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:22,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:22,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:22,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:37:22,463 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:37:22,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:37:22,463 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:37:22,464 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:37:22,465 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 02:37:22,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,503 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,503 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,503 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:22,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 02:37:22,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:37:22,514 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:37:22,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:37:22,514 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:37:22,514 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:37:22,514 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:37:22,514 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:37:22,514 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:37:22,517 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 02:37:22,538 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 02:37:22,538 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:37:22,540 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 225 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-16 02:37:22,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 02:37:22,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 94 transitions, 203 flow [2020-10-16 02:37:22,542 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:37:22,542 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 02:37:22,542 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 02:37:22,542 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 94 transitions, 203 flow [2020-10-16 02:37:22,561 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 02:37:22,561 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:37:22,562 INFO L80 FinitePrefix]: Finished finitePrefix Result has 133 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 219 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 98. Up to 6 conditions per place. [2020-10-16 02:37:22,566 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-16 02:37:24,335 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 02:37:24,847 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-16 02:37:25,217 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 02:37:25,447 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 02:37:25,452 INFO L132 LiptonReduction]: Checked pairs total: 3948 [2020-10-16 02:37:25,453 INFO L134 LiptonReduction]: Total number of compositions: 91 [2020-10-16 02:37:25,453 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2911 [2020-10-16 02:37:25,455 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:37:25,455 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:25,455 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:25,456 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:37:25,456 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:25,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:25,456 INFO L82 PathProgramCache]: Analyzing trace with hash 540308, now seen corresponding path program 1 times [2020-10-16 02:37:25,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:25,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456146110] [2020-10-16 02:37:25,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:25,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456146110] [2020-10-16 02:37:25,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:25,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:37:25,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20826441] [2020-10-16 02:37:25,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:25,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:25,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:25,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:25,507 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 196 [2020-10-16 02:37:25,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states. [2020-10-16 02:37:25,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:25,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 196 [2020-10-16 02:37:25,507 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:25,592 INFO L129 PetriNetUnfolder]: 232/416 cut-off events. [2020-10-16 02:37:25,592 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:37:25,594 INFO L80 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 416 events. 232/416 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2207 event pairs, 101 based on Foata normal form. 30/308 useless extension candidates. Maximal degree in co-relation 776. Up to 189 conditions per place. [2020-10-16 02:37:25,597 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 17 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2020-10-16 02:37:25,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 117 flow [2020-10-16 02:37:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-10-16 02:37:25,600 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7227891156462585 [2020-10-16 02:37:25,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2020-10-16 02:37:25,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2020-10-16 02:37:25,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:25,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2020-10-16 02:37:25,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:25,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:25,604 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:25,605 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states and 425 transitions. [2020-10-16 02:37:25,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 117 flow [2020-10-16 02:37:25,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 31 transitions, 114 flow, removed 1 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:25,607 INFO L241 Difference]: Finished difference. Result has 30 places, 24 transitions, 75 flow [2020-10-16 02:37:25,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2020-10-16 02:37:25,607 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2020-10-16 02:37:25,607 INFO L481 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 75 flow [2020-10-16 02:37:25,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:25,608 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:25,608 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:25,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:37:25,608 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:25,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash 352870369, now seen corresponding path program 1 times [2020-10-16 02:37:25,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:25,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453704440] [2020-10-16 02:37:25,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:25,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453704440] [2020-10-16 02:37:25,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:25,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:25,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220163409] [2020-10-16 02:37:25,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:25,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:25,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:25,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:25,668 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 196 [2020-10-16 02:37:25,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 75 flow. Second operand 5 states. [2020-10-16 02:37:25,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:25,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 196 [2020-10-16 02:37:25,669 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:25,818 INFO L129 PetriNetUnfolder]: 294/568 cut-off events. [2020-10-16 02:37:25,818 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-16 02:37:25,820 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 568 events. 294/568 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3381 event pairs, 69 based on Foata normal form. 14/507 useless extension candidates. Maximal degree in co-relation 1199. Up to 122 conditions per place. [2020-10-16 02:37:25,823 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 31 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2020-10-16 02:37:25,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 204 flow [2020-10-16 02:37:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2020-10-16 02:37:25,827 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6760204081632653 [2020-10-16 02:37:25,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2020-10-16 02:37:25,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2020-10-16 02:37:25,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:25,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2020-10-16 02:37:25,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:25,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:25,833 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:25,833 INFO L185 Difference]: Start difference. First operand has 30 places, 24 transitions, 75 flow. Second operand 6 states and 795 transitions. [2020-10-16 02:37:25,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 204 flow [2020-10-16 02:37:25,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 47 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:25,835 INFO L241 Difference]: Finished difference. Result has 37 places, 27 transitions, 111 flow [2020-10-16 02:37:25,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111, PETRI_PLACES=37, PETRI_TRANSITIONS=27} [2020-10-16 02:37:25,836 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 9 predicate places. [2020-10-16 02:37:25,836 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 111 flow [2020-10-16 02:37:25,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:25,836 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:25,836 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:25,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 02:37:25,837 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:25,837 INFO L82 PathProgramCache]: Analyzing trace with hash -856951799, now seen corresponding path program 1 times [2020-10-16 02:37:25,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:25,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130055614] [2020-10-16 02:37:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:25,858 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:25,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:25,878 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:37:25,878 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:37:25,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 02:37:25,878 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:37:25,879 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:37:25,880 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 02:37:25,891 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,891 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,893 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,895 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,898 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,898 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,907 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,907 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,907 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,907 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,907 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,908 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,908 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:25,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 02:37:25,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:37:25,927 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:37:25,927 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:37:25,927 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:37:25,927 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:37:25,927 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:37:25,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:37:25,928 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:37:25,930 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 02:37:25,948 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 02:37:25,948 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:37:25,949 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 319 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-16 02:37:25,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 02:37:25,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 113 transitions, 250 flow [2020-10-16 02:37:25,951 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:37:25,951 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 02:37:25,952 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 02:37:25,952 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 250 flow [2020-10-16 02:37:25,969 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 02:37:25,969 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:37:25,971 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 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 323 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 137. Up to 8 conditions per place. [2020-10-16 02:37:25,976 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-16 02:37:28,745 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-10-16 02:37:28,896 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-10-16 02:37:29,206 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:37:29,321 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:37:29,330 INFO L132 LiptonReduction]: Checked pairs total: 8097 [2020-10-16 02:37:29,330 INFO L134 LiptonReduction]: Total number of compositions: 105 [2020-10-16 02:37:29,331 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3380 [2020-10-16 02:37:29,332 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:37:29,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:29,333 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:29,333 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:37:29,333 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:29,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:29,333 INFO L82 PathProgramCache]: Analyzing trace with hash 805963, now seen corresponding path program 1 times [2020-10-16 02:37:29,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:29,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32721412] [2020-10-16 02:37:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:29,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32721412] [2020-10-16 02:37:29,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:29,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:37:29,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612590664] [2020-10-16 02:37:29,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:29,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:29,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:29,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:29,392 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 239 [2020-10-16 02:37:29,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states. [2020-10-16 02:37:29,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:29,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 239 [2020-10-16 02:37:29,393 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:29,642 INFO L129 PetriNetUnfolder]: 1332/2109 cut-off events. [2020-10-16 02:37:29,643 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:37:29,649 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 2109 events. 1332/2109 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12845 event pairs, 445 based on Foata normal form. 123/1561 useless extension candidates. Maximal degree in co-relation 3897. Up to 1132 conditions per place. [2020-10-16 02:37:29,662 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 22 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2020-10-16 02:37:29,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 158 flow [2020-10-16 02:37:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2020-10-16 02:37:29,665 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7182705718270572 [2020-10-16 02:37:29,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2020-10-16 02:37:29,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2020-10-16 02:37:29,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:29,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2020-10-16 02:37:29,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:29,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:29,669 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:29,669 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states and 515 transitions. [2020-10-16 02:37:29,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 158 flow [2020-10-16 02:37:29,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 151 flow, removed 3 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:29,674 INFO L241 Difference]: Finished difference. Result has 38 places, 32 transitions, 101 flow [2020-10-16 02:37:29,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2020-10-16 02:37:29,675 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2020-10-16 02:37:29,675 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 101 flow [2020-10-16 02:37:29,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:29,675 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:29,676 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:29,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 02:37:29,677 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:29,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:29,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1413719848, now seen corresponding path program 1 times [2020-10-16 02:37:29,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:29,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098030750] [2020-10-16 02:37:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:29,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098030750] [2020-10-16 02:37:29,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:29,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:29,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417636970] [2020-10-16 02:37:29,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:29,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:29,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:29,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:29,765 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 239 [2020-10-16 02:37:29,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 101 flow. Second operand 5 states. [2020-10-16 02:37:29,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:29,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 239 [2020-10-16 02:37:29,767 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:30,188 INFO L129 PetriNetUnfolder]: 2021/3323 cut-off events. [2020-10-16 02:37:30,188 INFO L130 PetriNetUnfolder]: For 201/201 co-relation queries the response was YES. [2020-10-16 02:37:30,197 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7099 conditions, 3323 events. 2021/3323 cut-off events. For 201/201 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 23287 event pairs, 349 based on Foata normal form. 46/2866 useless extension candidates. Maximal degree in co-relation 7086. Up to 969 conditions per place. [2020-10-16 02:37:30,217 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 49 selfloop transitions, 10 changer transitions 0/72 dead transitions. [2020-10-16 02:37:30,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 72 transitions, 317 flow [2020-10-16 02:37:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 984 transitions. [2020-10-16 02:37:30,221 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6861924686192469 [2020-10-16 02:37:30,221 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 984 transitions. [2020-10-16 02:37:30,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 984 transitions. [2020-10-16 02:37:30,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:30,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 984 transitions. [2020-10-16 02:37:30,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:30,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:30,227 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:30,227 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 101 flow. Second operand 6 states and 984 transitions. [2020-10-16 02:37:30,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 72 transitions, 317 flow [2020-10-16 02:37:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 72 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:30,232 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 162 flow [2020-10-16 02:37:30,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2020-10-16 02:37:30,233 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2020-10-16 02:37:30,233 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 162 flow [2020-10-16 02:37:30,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:30,233 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:30,233 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:30,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 02:37:30,233 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:30,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:30,234 INFO L82 PathProgramCache]: Analyzing trace with hash -644600028, now seen corresponding path program 1 times [2020-10-16 02:37:30,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:30,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467710719] [2020-10-16 02:37:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:37:30,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467710719] [2020-10-16 02:37:30,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:30,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:30,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502111010] [2020-10-16 02:37:30,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:30,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:30,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:30,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:30,310 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 239 [2020-10-16 02:37:30,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 162 flow. Second operand 5 states. [2020-10-16 02:37:30,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:30,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 239 [2020-10-16 02:37:30,311 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:30,820 INFO L129 PetriNetUnfolder]: 2478/4324 cut-off events. [2020-10-16 02:37:30,821 INFO L130 PetriNetUnfolder]: For 2132/2132 co-relation queries the response was YES. [2020-10-16 02:37:30,835 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10205 conditions, 4324 events. 2478/4324 cut-off events. For 2132/2132 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 33222 event pairs, 472 based on Foata normal form. 69/3788 useless extension candidates. Maximal degree in co-relation 10188. Up to 1341 conditions per place. [2020-10-16 02:37:30,861 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 55 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2020-10-16 02:37:30,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 83 transitions, 467 flow [2020-10-16 02:37:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2020-10-16 02:37:30,865 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6952580195258019 [2020-10-16 02:37:30,865 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2020-10-16 02:37:30,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2020-10-16 02:37:30,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:30,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2020-10-16 02:37:30,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:30,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:30,871 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:30,872 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 162 flow. Second operand 6 states and 997 transitions. [2020-10-16 02:37:30,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 83 transitions, 467 flow [2020-10-16 02:37:30,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 83 transitions, 446 flow, removed 4 selfloop flow, removed 2 redundant places. [2020-10-16 02:37:30,895 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 264 flow [2020-10-16 02:37:30,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=264, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-16 02:37:30,895 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2020-10-16 02:37:30,895 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 264 flow [2020-10-16 02:37:30,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:30,896 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:30,896 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:30,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 02:37:30,896 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:30,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:30,896 INFO L82 PathProgramCache]: Analyzing trace with hash -370201206, now seen corresponding path program 1 times [2020-10-16 02:37:30,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:30,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005452899] [2020-10-16 02:37:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:30,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005452899] [2020-10-16 02:37:30,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:30,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:30,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804093175] [2020-10-16 02:37:30,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:30,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:30,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:30,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:30,928 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2020-10-16 02:37:30,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states. [2020-10-16 02:37:30,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:30,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2020-10-16 02:37:30,928 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:30,973 INFO L129 PetriNetUnfolder]: 38/201 cut-off events. [2020-10-16 02:37:30,974 INFO L130 PetriNetUnfolder]: For 149/169 co-relation queries the response was YES. [2020-10-16 02:37:30,975 INFO L80 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 201 events. 38/201 cut-off events. For 149/169 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1117 event pairs, 18 based on Foata normal form. 17/190 useless extension candidates. Maximal degree in co-relation 476. Up to 52 conditions per place. [2020-10-16 02:37:30,976 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 1 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2020-10-16 02:37:30,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 240 flow [2020-10-16 02:37:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2020-10-16 02:37:30,980 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7405857740585774 [2020-10-16 02:37:30,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2020-10-16 02:37:30,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2020-10-16 02:37:30,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:30,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2020-10-16 02:37:30,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:30,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:30,984 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:30,984 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states and 531 transitions. [2020-10-16 02:37:30,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 240 flow [2020-10-16 02:37:30,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 212 flow, removed 7 selfloop flow, removed 3 redundant places. [2020-10-16 02:37:30,988 INFO L241 Difference]: Finished difference. Result has 50 places, 43 transitions, 210 flow [2020-10-16 02:37:30,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2020-10-16 02:37:30,988 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2020-10-16 02:37:30,988 INFO L481 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 210 flow [2020-10-16 02:37:30,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:30,989 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:30,989 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:30,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 02:37:30,989 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:30,990 INFO L82 PathProgramCache]: Analyzing trace with hash -68822273, now seen corresponding path program 1 times [2020-10-16 02:37:30,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:30,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793685891] [2020-10-16 02:37:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:31,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:31,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:31,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:37:31,022 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:37:31,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 02:37:31,022 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:37:31,023 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:37:31,023 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 02:37:31,037 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,037 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,037 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,037 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,040 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,040 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,040 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,040 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,040 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,056 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,057 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,059 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:31,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 02:37:31,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:37:31,074 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:37:31,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:37:31,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:37:31,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:37:31,075 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:37:31,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:37:31,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:37:31,077 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 02:37:31,093 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 02:37:31,093 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:37:31,095 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 421 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-16 02:37:31,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 02:37:31,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 132 transitions, 299 flow [2020-10-16 02:37:31,097 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:37:31,097 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 02:37:31,097 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 02:37:31,097 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 132 transitions, 299 flow [2020-10-16 02:37:31,113 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 02:37:31,113 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:37:31,115 INFO L80 FinitePrefix]: Finished finitePrefix Result has 214 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 452 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 177. Up to 10 conditions per place. [2020-10-16 02:37:31,124 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-16 02:37:34,251 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-10-16 02:37:34,462 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 02:37:34,606 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 02:37:34,876 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-16 02:37:35,035 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:37:35,359 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-16 02:37:35,487 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:37:35,499 INFO L132 LiptonReduction]: Checked pairs total: 15232 [2020-10-16 02:37:35,499 INFO L134 LiptonReduction]: Total number of compositions: 127 [2020-10-16 02:37:35,500 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4403 [2020-10-16 02:37:35,501 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:37:35,501 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:35,501 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:35,502 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:37:35,502 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:35,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:35,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1122017, now seen corresponding path program 1 times [2020-10-16 02:37:35,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:35,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069676828] [2020-10-16 02:37:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:35,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069676828] [2020-10-16 02:37:35,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:35,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:37:35,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698310615] [2020-10-16 02:37:35,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:35,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:35,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:35,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:35,527 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 290 [2020-10-16 02:37:35,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states. [2020-10-16 02:37:35,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:35,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 290 [2020-10-16 02:37:35,528 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:36,373 INFO L129 PetriNetUnfolder]: 6379/9198 cut-off events. [2020-10-16 02:37:36,373 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:37:36,406 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17099 conditions, 9198 events. 6379/9198 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58999 event pairs, 1757 based on Foata normal form. 377/6682 useless extension candidates. Maximal degree in co-relation 17087. Up to 5499 conditions per place. [2020-10-16 02:37:36,466 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 27 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2020-10-16 02:37:36,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 51 transitions, 201 flow [2020-10-16 02:37:36,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2020-10-16 02:37:36,472 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919540229885057 [2020-10-16 02:37:36,472 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 602 transitions. [2020-10-16 02:37:36,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 602 transitions. [2020-10-16 02:37:36,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:36,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 602 transitions. [2020-10-16 02:37:36,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:36,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:36,476 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:36,476 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states and 602 transitions. [2020-10-16 02:37:36,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 51 transitions, 201 flow [2020-10-16 02:37:36,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 188 flow, removed 6 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:36,479 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 127 flow [2020-10-16 02:37:36,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2020-10-16 02:37:36,479 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2020-10-16 02:37:36,479 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 127 flow [2020-10-16 02:37:36,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:36,479 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:36,480 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:36,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 02:37:36,480 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:36,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:36,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1860053548, now seen corresponding path program 1 times [2020-10-16 02:37:36,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:36,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490251749] [2020-10-16 02:37:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:36,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490251749] [2020-10-16 02:37:36,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:36,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:36,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158374356] [2020-10-16 02:37:36,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:36,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:36,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:36,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:36,521 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 290 [2020-10-16 02:37:36,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 127 flow. Second operand 5 states. [2020-10-16 02:37:36,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:36,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 290 [2020-10-16 02:37:36,522 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:37,608 INFO L129 PetriNetUnfolder]: 9931/15687 cut-off events. [2020-10-16 02:37:37,609 INFO L130 PetriNetUnfolder]: For 1212/1212 co-relation queries the response was YES. [2020-10-16 02:37:37,669 INFO L80 FinitePrefix]: Finished finitePrefix Result has 32998 conditions, 15687 events. 9931/15687 cut-off events. For 1212/1212 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 125197 event pairs, 1440 based on Foata normal form. 178/13399 useless extension candidates. Maximal degree in co-relation 32984. Up to 5255 conditions per place. [2020-10-16 02:37:37,745 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 59 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2020-10-16 02:37:37,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 90 transitions, 398 flow [2020-10-16 02:37:37,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1178 transitions. [2020-10-16 02:37:37,750 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6770114942528735 [2020-10-16 02:37:37,750 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1178 transitions. [2020-10-16 02:37:37,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1178 transitions. [2020-10-16 02:37:37,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:37,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1178 transitions. [2020-10-16 02:37:37,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:37,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:37,757 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:37,757 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 127 flow. Second operand 6 states and 1178 transitions. [2020-10-16 02:37:37,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 90 transitions, 398 flow [2020-10-16 02:37:37,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:37,767 INFO L241 Difference]: Finished difference. Result has 53 places, 49 transitions, 214 flow [2020-10-16 02:37:37,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=49} [2020-10-16 02:37:37,767 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2020-10-16 02:37:37,768 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 214 flow [2020-10-16 02:37:37,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:37,768 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:37,768 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:37,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 02:37:37,768 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:37,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:37,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1896011785, now seen corresponding path program 1 times [2020-10-16 02:37:37,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:37,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871650889] [2020-10-16 02:37:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:37:37,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871650889] [2020-10-16 02:37:37,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:37,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:37,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566259358] [2020-10-16 02:37:37,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:37,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:37,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:37,817 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 290 [2020-10-16 02:37:37,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 214 flow. Second operand 5 states. [2020-10-16 02:37:37,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:37,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 290 [2020-10-16 02:37:37,818 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:39,701 INFO L129 PetriNetUnfolder]: 13700/22135 cut-off events. [2020-10-16 02:37:39,701 INFO L130 PetriNetUnfolder]: For 11913/11913 co-relation queries the response was YES. [2020-10-16 02:37:39,790 INFO L80 FinitePrefix]: Finished finitePrefix Result has 54319 conditions, 22135 events. 13700/22135 cut-off events. For 11913/11913 co-relation queries the response was YES. Maximal size of possible extension queue 1986. Compared 190781 event pairs, 2481 based on Foata normal form. 220/18703 useless extension candidates. Maximal degree in co-relation 54301. Up to 7979 conditions per place. [2020-10-16 02:37:39,899 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 69 selfloop transitions, 20 changer transitions 0/106 dead transitions. [2020-10-16 02:37:39,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 106 transitions, 612 flow [2020-10-16 02:37:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1168 transitions. [2020-10-16 02:37:39,903 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.671264367816092 [2020-10-16 02:37:39,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1168 transitions. [2020-10-16 02:37:39,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1168 transitions. [2020-10-16 02:37:39,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:39,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1168 transitions. [2020-10-16 02:37:39,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:39,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:39,910 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:39,910 INFO L185 Difference]: Start difference. First operand has 53 places, 49 transitions, 214 flow. Second operand 6 states and 1168 transitions. [2020-10-16 02:37:39,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 106 transitions, 612 flow [2020-10-16 02:37:40,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 106 transitions, 581 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-16 02:37:40,076 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 346 flow [2020-10-16 02:37:40,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=346, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2020-10-16 02:37:40,076 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2020-10-16 02:37:40,076 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 346 flow [2020-10-16 02:37:40,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:40,077 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:40,077 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:40,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 02:37:40,077 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:40,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:40,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1772421434, now seen corresponding path program 1 times [2020-10-16 02:37:40,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:40,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784931631] [2020-10-16 02:37:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:40,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784931631] [2020-10-16 02:37:40,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:40,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:40,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555568531] [2020-10-16 02:37:40,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:40,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:40,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:40,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:40,104 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 290 [2020-10-16 02:37:40,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states. [2020-10-16 02:37:40,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:40,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 290 [2020-10-16 02:37:40,105 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:40,639 INFO L129 PetriNetUnfolder]: 193/738 cut-off events. [2020-10-16 02:37:40,639 INFO L130 PetriNetUnfolder]: For 544/668 co-relation queries the response was YES. [2020-10-16 02:37:40,643 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 738 events. 193/738 cut-off events. For 544/668 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5579 event pairs, 74 based on Foata normal form. 109/730 useless extension candidates. Maximal degree in co-relation 1724. Up to 179 conditions per place. [2020-10-16 02:37:40,646 INFO L132 encePairwiseOnDemand]: 280/290 looper letters, 1 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2020-10-16 02:37:40,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 57 transitions, 326 flow [2020-10-16 02:37:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2020-10-16 02:37:40,649 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2020-10-16 02:37:40,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2020-10-16 02:37:40,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2020-10-16 02:37:40,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:40,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2020-10-16 02:37:40,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:40,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:40,655 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:40,655 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states and 657 transitions. [2020-10-16 02:37:40,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 57 transitions, 326 flow [2020-10-16 02:37:40,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 57 transitions, 286 flow, removed 9 selfloop flow, removed 3 redundant places. [2020-10-16 02:37:40,662 INFO L241 Difference]: Finished difference. Result has 58 places, 57 transitions, 284 flow [2020-10-16 02:37:40,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=58, PETRI_TRANSITIONS=57} [2020-10-16 02:37:40,663 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 14 predicate places. [2020-10-16 02:37:40,663 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 57 transitions, 284 flow [2020-10-16 02:37:40,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:40,663 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:40,663 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:40,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 02:37:40,664 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash 2050839116, now seen corresponding path program 1 times [2020-10-16 02:37:40,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:40,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741256662] [2020-10-16 02:37:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:37:40,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741256662] [2020-10-16 02:37:40,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:40,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:40,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908803346] [2020-10-16 02:37:40,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:40,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:40,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:40,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:40,717 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 290 [2020-10-16 02:37:40,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 57 transitions, 284 flow. Second operand 5 states. [2020-10-16 02:37:40,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:40,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 290 [2020-10-16 02:37:40,718 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:41,799 INFO L129 PetriNetUnfolder]: 4990/10105 cut-off events. [2020-10-16 02:37:41,799 INFO L130 PetriNetUnfolder]: For 5258/5264 co-relation queries the response was YES. [2020-10-16 02:37:41,825 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25869 conditions, 10105 events. 4990/10105 cut-off events. For 5258/5264 co-relation queries the response was YES. Maximal size of possible extension queue 1067. Compared 99393 event pairs, 842 based on Foata normal form. 161/8536 useless extension candidates. Maximal degree in co-relation 25850. Up to 3963 conditions per place. [2020-10-16 02:37:41,858 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 70 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2020-10-16 02:37:41,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 113 transitions, 722 flow [2020-10-16 02:37:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2020-10-16 02:37:41,862 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6735632183908046 [2020-10-16 02:37:41,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2020-10-16 02:37:41,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2020-10-16 02:37:41,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:41,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2020-10-16 02:37:41,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:41,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:41,869 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:41,870 INFO L185 Difference]: Start difference. First operand has 58 places, 57 transitions, 284 flow. Second operand 6 states and 1172 transitions. [2020-10-16 02:37:41,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 113 transitions, 722 flow [2020-10-16 02:37:41,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 113 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:41,938 INFO L241 Difference]: Finished difference. Result has 64 places, 70 transitions, 440 flow [2020-10-16 02:37:41,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=440, PETRI_PLACES=64, PETRI_TRANSITIONS=70} [2020-10-16 02:37:41,938 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 20 predicate places. [2020-10-16 02:37:41,938 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 70 transitions, 440 flow [2020-10-16 02:37:41,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:41,939 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:41,939 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:41,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 02:37:41,939 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:41,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash -560773882, now seen corresponding path program 1 times [2020-10-16 02:37:41,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:41,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156100165] [2020-10-16 02:37:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:37:41,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156100165] [2020-10-16 02:37:41,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744450893] [2020-10-16 02:37:41,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:37:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:42,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:37:42,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:37:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:37:42,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:37:42,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:37:42,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708725664] [2020-10-16 02:37:42,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:37:42,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:42,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:37:42,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:37:42,198 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 02:37:42,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 70 transitions, 440 flow. Second operand 12 states. [2020-10-16 02:37:42,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:42,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 02:37:42,199 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:43,521 INFO L129 PetriNetUnfolder]: 5514/10744 cut-off events. [2020-10-16 02:37:43,521 INFO L130 PetriNetUnfolder]: For 7674/7674 co-relation queries the response was YES. [2020-10-16 02:37:43,556 INFO L80 FinitePrefix]: Finished finitePrefix Result has 28649 conditions, 10744 events. 5514/10744 cut-off events. For 7674/7674 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 104750 event pairs, 623 based on Foata normal form. 51/8922 useless extension candidates. Maximal degree in co-relation 28626. Up to 2226 conditions per place. [2020-10-16 02:37:43,580 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 135 selfloop transitions, 40 changer transitions 0/190 dead transitions. [2020-10-16 02:37:43,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 190 transitions, 1275 flow [2020-10-16 02:37:43,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 02:37:43,588 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 02:37:43,588 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 02:37:43,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 02:37:43,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:43,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 02:37:43,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:43,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:43,599 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:43,600 INFO L185 Difference]: Start difference. First operand has 64 places, 70 transitions, 440 flow. Second operand 13 states and 2459 transitions. [2020-10-16 02:37:43,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 190 transitions, 1275 flow [2020-10-16 02:37:43,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 190 transitions, 1226 flow, removed 20 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:43,744 INFO L241 Difference]: Finished difference. Result has 77 places, 80 transitions, 574 flow [2020-10-16 02:37:43,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=574, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2020-10-16 02:37:43,745 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 33 predicate places. [2020-10-16 02:37:43,745 INFO L481 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 574 flow [2020-10-16 02:37:43,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:37:43,745 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:43,745 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:43,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-16 02:37:43,952 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:43,953 INFO L82 PathProgramCache]: Analyzing trace with hash -82463937, now seen corresponding path program 1 times [2020-10-16 02:37:43,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:43,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970182658] [2020-10-16 02:37:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:37:44,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970182658] [2020-10-16 02:37:44,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:44,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:37:44,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694441424] [2020-10-16 02:37:44,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:37:44,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:44,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:37:44,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:37:44,038 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 02:37:44,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 574 flow. Second operand 7 states. [2020-10-16 02:37:44,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:44,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 02:37:44,039 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:45,515 INFO L129 PetriNetUnfolder]: 5625/11123 cut-off events. [2020-10-16 02:37:45,515 INFO L130 PetriNetUnfolder]: For 11750/11750 co-relation queries the response was YES. [2020-10-16 02:37:45,547 INFO L80 FinitePrefix]: Finished finitePrefix Result has 30896 conditions, 11123 events. 5625/11123 cut-off events. For 11750/11750 co-relation queries the response was YES. Maximal size of possible extension queue 1164. Compared 110284 event pairs, 624 based on Foata normal form. 51/9254 useless extension candidates. Maximal degree in co-relation 30870. Up to 2226 conditions per place. [2020-10-16 02:37:45,572 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 136 selfloop transitions, 45 changer transitions 0/196 dead transitions. [2020-10-16 02:37:45,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 196 transitions, 1408 flow [2020-10-16 02:37:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 02:37:45,579 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 02:37:45,579 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 02:37:45,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 02:37:45,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:45,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 02:37:45,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:45,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:45,590 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:45,590 INFO L185 Difference]: Start difference. First operand has 77 places, 80 transitions, 574 flow. Second operand 13 states and 2459 transitions. [2020-10-16 02:37:45,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 196 transitions, 1408 flow [2020-10-16 02:37:45,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 196 transitions, 1327 flow, removed 6 selfloop flow, removed 6 redundant places. [2020-10-16 02:37:45,822 INFO L241 Difference]: Finished difference. Result has 85 places, 88 transitions, 664 flow [2020-10-16 02:37:45,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=664, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2020-10-16 02:37:45,822 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 41 predicate places. [2020-10-16 02:37:45,822 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 664 flow [2020-10-16 02:37:45,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:37:45,823 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:45,823 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:45,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 02:37:45,823 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:37:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:45,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1035270842, now seen corresponding path program 1 times [2020-10-16 02:37:45,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:45,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867952896] [2020-10-16 02:37:45,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:45,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:37:45,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:37:45,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:37:45,853 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:37:45,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 02:37:45,854 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:37:45,854 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:37:45,854 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 02:37:45,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,869 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,876 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,883 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,892 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,894 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,895 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,895 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:37:45,913 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 02:37:45,913 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:37:45,913 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:37:45,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:37:45,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:37:45,914 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:37:45,914 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:37:45,914 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:37:45,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:37:45,916 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 02:37:45,936 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 02:37:45,936 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:37:45,938 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 541 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-16 02:37:45,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 02:37:45,940 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 151 transitions, 350 flow [2020-10-16 02:37:45,940 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:37:45,941 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 02:37:45,941 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 02:37:45,941 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 350 flow [2020-10-16 02:37:45,957 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 02:37:45,957 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:37:45,958 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256 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 529 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 218. Up to 12 conditions per place. [2020-10-16 02:37:45,968 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-16 02:37:48,556 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 02:37:49,892 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 02:37:50,126 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 02:37:50,139 INFO L132 LiptonReduction]: Checked pairs total: 20347 [2020-10-16 02:37:50,140 INFO L134 LiptonReduction]: Total number of compositions: 144 [2020-10-16 02:37:50,140 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4200 [2020-10-16 02:37:50,141 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:37:50,141 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:37:50,141 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:50,141 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:37:50,141 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:50,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:50,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1483897, now seen corresponding path program 1 times [2020-10-16 02:37:50,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:50,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342982656] [2020-10-16 02:37:50,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:50,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342982656] [2020-10-16 02:37:50,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:50,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:37:50,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099480089] [2020-10-16 02:37:50,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:50,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:50,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:50,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:50,171 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 336 [2020-10-16 02:37:50,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states. [2020-10-16 02:37:50,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:50,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 336 [2020-10-16 02:37:50,172 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:53,114 INFO L129 PetriNetUnfolder]: 30756/40583 cut-off events. [2020-10-16 02:37:53,115 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:37:53,263 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76360 conditions, 40583 events. 30756/40583 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 2494. Compared 257712 event pairs, 6935 based on Foata normal form. 3422/31002 useless extension candidates. Maximal degree in co-relation 76347. Up to 27319 conditions per place. [2020-10-16 02:37:53,407 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 32 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2020-10-16 02:37:53,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 244 flow [2020-10-16 02:37:53,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2020-10-16 02:37:53,410 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7212301587301587 [2020-10-16 02:37:53,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2020-10-16 02:37:53,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2020-10-16 02:37:53,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:53,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2020-10-16 02:37:53,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:53,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:53,414 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:53,414 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states and 727 transitions. [2020-10-16 02:37:53,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 244 flow [2020-10-16 02:37:53,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 60 transitions, 223 flow, removed 10 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:53,416 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 151 flow [2020-10-16 02:37:53,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2020-10-16 02:37:53,417 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2020-10-16 02:37:53,417 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 151 flow [2020-10-16 02:37:53,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:53,417 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:53,417 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:53,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 02:37:53,417 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash 5774037, now seen corresponding path program 1 times [2020-10-16 02:37:53,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:53,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718701295] [2020-10-16 02:37:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:53,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718701295] [2020-10-16 02:37:53,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:53,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:53,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36108569] [2020-10-16 02:37:53,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:53,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:53,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:53,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:53,462 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 02:37:53,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 151 flow. Second operand 5 states. [2020-10-16 02:37:53,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:53,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 02:37:53,463 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:00,555 INFO L129 PetriNetUnfolder]: 56549/76549 cut-off events. [2020-10-16 02:38:00,555 INFO L130 PetriNetUnfolder]: For 5640/5640 co-relation queries the response was YES. [2020-10-16 02:38:00,879 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166845 conditions, 76549 events. 56549/76549 cut-off events. For 5640/5640 co-relation queries the response was YES. Maximal size of possible extension queue 5093. Compared 556547 event pairs, 8426 based on Foata normal form. 560/65163 useless extension candidates. Maximal degree in co-relation 166830. Up to 30773 conditions per place. [2020-10-16 02:38:01,170 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 73 selfloop transitions, 16 changer transitions 0/109 dead transitions. [2020-10-16 02:38:01,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 109 transitions, 485 flow [2020-10-16 02:38:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:38:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:38:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1428 transitions. [2020-10-16 02:38:01,628 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2020-10-16 02:38:01,628 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1428 transitions. [2020-10-16 02:38:01,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1428 transitions. [2020-10-16 02:38:01,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:01,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1428 transitions. [2020-10-16 02:38:01,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:38:01,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:38:01,633 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:38:01,633 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 151 flow. Second operand 6 states and 1428 transitions. [2020-10-16 02:38:01,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 109 transitions, 485 flow [2020-10-16 02:38:01,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:38:01,658 INFO L241 Difference]: Finished difference. Result has 60 places, 57 transitions, 250 flow [2020-10-16 02:38:01,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=60, PETRI_TRANSITIONS=57} [2020-10-16 02:38:01,659 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2020-10-16 02:38:01,659 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 57 transitions, 250 flow [2020-10-16 02:38:01,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:38:01,659 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:01,659 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:01,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 02:38:01,659 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:01,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1046866640, now seen corresponding path program 1 times [2020-10-16 02:38:01,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:01,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075938599] [2020-10-16 02:38:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:38:01,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075938599] [2020-10-16 02:38:01,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:01,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:38:01,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950604834] [2020-10-16 02:38:01,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:38:01,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:01,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:38:01,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:38:01,701 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 336 [2020-10-16 02:38:01,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 250 flow. Second operand 5 states. [2020-10-16 02:38:01,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:01,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 336 [2020-10-16 02:38:01,702 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:14,193 INFO L129 PetriNetUnfolder]: 84180/119472 cut-off events. [2020-10-16 02:38:14,193 INFO L130 PetriNetUnfolder]: For 57525/57525 co-relation queries the response was YES. [2020-10-16 02:38:14,705 INFO L80 FinitePrefix]: Finished finitePrefix Result has 293520 conditions, 119472 events. 84180/119472 cut-off events. For 57525/57525 co-relation queries the response was YES. Maximal size of possible extension queue 8871. Compared 1002870 event pairs, 12355 based on Foata normal form. 1222/104235 useless extension candidates. Maximal degree in co-relation 293501. Up to 53501 conditions per place. [2020-10-16 02:38:15,153 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 81 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2020-10-16 02:38:15,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 727 flow [2020-10-16 02:38:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:38:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:38:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2020-10-16 02:38:15,157 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6994047619047619 [2020-10-16 02:38:15,157 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2020-10-16 02:38:15,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2020-10-16 02:38:15,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:15,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2020-10-16 02:38:15,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:38:15,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:38:15,161 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:38:15,161 INFO L185 Difference]: Start difference. First operand has 60 places, 57 transitions, 250 flow. Second operand 6 states and 1410 transitions. [2020-10-16 02:38:15,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 727 flow [2020-10-16 02:38:17,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 127 transitions, 686 flow, removed 8 selfloop flow, removed 2 redundant places. [2020-10-16 02:38:17,788 INFO L241 Difference]: Finished difference. Result has 66 places, 73 transitions, 419 flow [2020-10-16 02:38:17,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=419, PETRI_PLACES=66, PETRI_TRANSITIONS=73} [2020-10-16 02:38:17,789 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2020-10-16 02:38:17,789 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 73 transitions, 419 flow [2020-10-16 02:38:17,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:38:17,789 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:17,789 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:17,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 02:38:17,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:17,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:17,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1602843581, now seen corresponding path program 1 times [2020-10-16 02:38:17,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:17,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597644493] [2020-10-16 02:38:17,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:38:17,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597644493] [2020-10-16 02:38:17,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:17,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:38:17,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441129742] [2020-10-16 02:38:17,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:38:17,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:17,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:38:17,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:38:17,817 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 336 [2020-10-16 02:38:17,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states. [2020-10-16 02:38:17,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:17,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 336 [2020-10-16 02:38:17,823 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:18,003 INFO L129 PetriNetUnfolder]: 642/1994 cut-off events. [2020-10-16 02:38:18,003 INFO L130 PetriNetUnfolder]: For 1650/2082 co-relation queries the response was YES. [2020-10-16 02:38:18,011 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4837 conditions, 1994 events. 642/1994 cut-off events. For 1650/2082 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 17457 event pairs, 228 based on Foata normal form. 491/2186 useless extension candidates. Maximal degree in co-relation 4815. Up to 534 conditions per place. [2020-10-16 02:38:18,016 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 1 selfloop transitions, 13 changer transitions 0/69 dead transitions. [2020-10-16 02:38:18,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 405 flow [2020-10-16 02:38:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:38:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:38:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 02:38:18,019 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7361111111111112 [2020-10-16 02:38:18,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 02:38:18,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 02:38:18,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:18,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 02:38:18,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:38:18,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:38:18,022 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:38:18,022 INFO L185 Difference]: Start difference. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states and 742 transitions. [2020-10-16 02:38:18,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 405 flow [2020-10-16 02:38:18,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 69 transitions, 353 flow, removed 11 selfloop flow, removed 3 redundant places. [2020-10-16 02:38:18,037 INFO L241 Difference]: Finished difference. Result has 65 places, 69 transitions, 351 flow [2020-10-16 02:38:18,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=65, PETRI_TRANSITIONS=69} [2020-10-16 02:38:18,037 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places. [2020-10-16 02:38:18,037 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 351 flow [2020-10-16 02:38:18,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:38:18,037 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:18,038 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:18,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 02:38:18,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:18,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1558755022, now seen corresponding path program 1 times [2020-10-16 02:38:18,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:18,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239596441] [2020-10-16 02:38:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:38:18,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239596441] [2020-10-16 02:38:18,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:18,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:38:18,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199968672] [2020-10-16 02:38:18,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:38:18,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:18,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:38:18,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:38:18,084 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 336 [2020-10-16 02:38:18,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 351 flow. Second operand 5 states. [2020-10-16 02:38:18,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:18,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 336 [2020-10-16 02:38:18,086 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:21,707 INFO L129 PetriNetUnfolder]: 17273/31297 cut-off events. [2020-10-16 02:38:21,708 INFO L130 PetriNetUnfolder]: For 17564/17570 co-relation queries the response was YES. [2020-10-16 02:38:21,860 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82431 conditions, 31297 events. 17273/31297 cut-off events. For 17564/17570 co-relation queries the response was YES. Maximal size of possible extension queue 2831. Compared 323748 event pairs, 2589 based on Foata normal form. 456/26429 useless extension candidates. Maximal degree in co-relation 82411. Up to 13740 conditions per place. [2020-10-16 02:38:21,951 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 87 selfloop transitions, 34 changer transitions 0/141 dead transitions. [2020-10-16 02:38:21,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 141 transitions, 911 flow [2020-10-16 02:38:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:38:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:38:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2020-10-16 02:38:21,954 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7048611111111112 [2020-10-16 02:38:21,954 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2020-10-16 02:38:21,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2020-10-16 02:38:21,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:21,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2020-10-16 02:38:21,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:38:21,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:38:21,959 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:38:21,959 INFO L185 Difference]: Start difference. First operand has 65 places, 69 transitions, 351 flow. Second operand 6 states and 1421 transitions. [2020-10-16 02:38:21,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 141 transitions, 911 flow [2020-10-16 02:38:22,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:38:22,456 INFO L241 Difference]: Finished difference. Result has 71 places, 86 transitions, 558 flow [2020-10-16 02:38:22,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=71, PETRI_TRANSITIONS=86} [2020-10-16 02:38:22,457 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2020-10-16 02:38:22,457 INFO L481 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 558 flow [2020-10-16 02:38:22,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:38:22,457 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:22,457 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:22,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 02:38:22,457 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:22,458 INFO L82 PathProgramCache]: Analyzing trace with hash -2068338250, now seen corresponding path program 1 times [2020-10-16 02:38:22,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:22,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278111709] [2020-10-16 02:38:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:38:22,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278111709] [2020-10-16 02:38:22,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891193848] [2020-10-16 02:38:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:38:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:22,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:38:22,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:38:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:38:22,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:38:22,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:38:22,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742987215] [2020-10-16 02:38:22,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:38:22,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:22,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:38:22,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:38:22,673 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 02:38:22,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 86 transitions, 558 flow. Second operand 12 states. [2020-10-16 02:38:22,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:22,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 02:38:22,675 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:25,957 INFO L129 PetriNetUnfolder]: 18604/33841 cut-off events. [2020-10-16 02:38:25,957 INFO L130 PetriNetUnfolder]: For 27947/27947 co-relation queries the response was YES. [2020-10-16 02:38:26,135 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91013 conditions, 33841 events. 18604/33841 cut-off events. For 27947/27947 co-relation queries the response was YES. Maximal size of possible extension queue 2995. Compared 355970 event pairs, 2141 based on Foata normal form. 134/28307 useless extension candidates. Maximal degree in co-relation 90989. Up to 8182 conditions per place. [2020-10-16 02:38:26,234 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 166 selfloop transitions, 54 changer transitions 0/238 dead transitions. [2020-10-16 02:38:26,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 238 transitions, 1600 flow [2020-10-16 02:38:26,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:38:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:38:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 02:38:26,237 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 02:38:26,238 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 02:38:26,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 02:38:26,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:26,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 02:38:26,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:38:26,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:38:26,244 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:38:26,244 INFO L185 Difference]: Start difference. First operand has 71 places, 86 transitions, 558 flow. Second operand 13 states and 2989 transitions. [2020-10-16 02:38:26,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 238 transitions, 1600 flow [2020-10-16 02:38:27,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 238 transitions, 1523 flow, removed 32 selfloop flow, removed 1 redundant places. [2020-10-16 02:38:27,576 INFO L241 Difference]: Finished difference. Result has 84 places, 100 transitions, 742 flow [2020-10-16 02:38:27,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=84, PETRI_TRANSITIONS=100} [2020-10-16 02:38:27,576 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 33 predicate places. [2020-10-16 02:38:27,576 INFO L481 AbstractCegarLoop]: Abstraction has has 84 places, 100 transitions, 742 flow [2020-10-16 02:38:27,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:38:27,576 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:27,577 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:27,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-16 02:38:27,778 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:27,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:27,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1755707858, now seen corresponding path program 1 times [2020-10-16 02:38:27,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:27,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097892060] [2020-10-16 02:38:27,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:38:27,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097892060] [2020-10-16 02:38:27,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:27,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:38:27,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10579208] [2020-10-16 02:38:27,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:38:27,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:27,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:38:27,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:38:27,869 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 02:38:27,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 100 transitions, 742 flow. Second operand 7 states. [2020-10-16 02:38:27,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:27,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 02:38:27,870 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:31,350 INFO L129 PetriNetUnfolder]: 19403/35470 cut-off events. [2020-10-16 02:38:31,350 INFO L130 PetriNetUnfolder]: For 43409/43409 co-relation queries the response was YES. [2020-10-16 02:38:31,551 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100796 conditions, 35470 events. 19403/35470 cut-off events. For 43409/43409 co-relation queries the response was YES. Maximal size of possible extension queue 3100. Compared 377513 event pairs, 2221 based on Foata normal form. 134/29700 useless extension candidates. Maximal degree in co-relation 100769. Up to 8182 conditions per place. [2020-10-16 02:38:31,657 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 170 selfloop transitions, 59 changer transitions 0/247 dead transitions. [2020-10-16 02:38:31,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 247 transitions, 1781 flow [2020-10-16 02:38:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:38:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:38:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 02:38:31,661 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 02:38:31,661 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 02:38:31,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 02:38:31,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:31,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 02:38:31,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:38:31,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:38:31,670 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:38:31,670 INFO L185 Difference]: Start difference. First operand has 84 places, 100 transitions, 742 flow. Second operand 13 states and 2989 transitions. [2020-10-16 02:38:31,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 247 transitions, 1781 flow [2020-10-16 02:38:33,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 247 transitions, 1671 flow, removed 10 selfloop flow, removed 6 redundant places. [2020-10-16 02:38:33,592 INFO L241 Difference]: Finished difference. Result has 92 places, 110 transitions, 855 flow [2020-10-16 02:38:33,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=855, PETRI_PLACES=92, PETRI_TRANSITIONS=110} [2020-10-16 02:38:33,593 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 41 predicate places. [2020-10-16 02:38:33,593 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 110 transitions, 855 flow [2020-10-16 02:38:33,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:38:33,593 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:33,593 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:33,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 02:38:33,594 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:33,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:33,594 INFO L82 PathProgramCache]: Analyzing trace with hash -436163355, now seen corresponding path program 1 times [2020-10-16 02:38:33,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:33,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920576103] [2020-10-16 02:38:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 02:38:33,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920576103] [2020-10-16 02:38:33,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:33,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:38:33,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913376599] [2020-10-16 02:38:33,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:38:33,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:33,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:38:33,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:38:33,636 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 02:38:33,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 110 transitions, 855 flow. Second operand 5 states. [2020-10-16 02:38:33,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:33,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 02:38:33,637 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:37,918 INFO L129 PetriNetUnfolder]: 26367/48419 cut-off events. [2020-10-16 02:38:37,918 INFO L130 PetriNetUnfolder]: For 90656/90690 co-relation queries the response was YES. [2020-10-16 02:38:38,227 INFO L80 FinitePrefix]: Finished finitePrefix Result has 143633 conditions, 48419 events. 26367/48419 cut-off events. For 90656/90690 co-relation queries the response was YES. Maximal size of possible extension queue 4733. Compared 536125 event pairs, 4051 based on Foata normal form. 652/40695 useless extension candidates. Maximal degree in co-relation 143605. Up to 23583 conditions per place. [2020-10-16 02:38:38,376 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 136 selfloop transitions, 54 changer transitions 0/210 dead transitions. [2020-10-16 02:38:38,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 210 transitions, 1939 flow [2020-10-16 02:38:38,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:38:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:38:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1427 transitions. [2020-10-16 02:38:38,378 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7078373015873016 [2020-10-16 02:38:38,379 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1427 transitions. [2020-10-16 02:38:38,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1427 transitions. [2020-10-16 02:38:38,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:38,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1427 transitions. [2020-10-16 02:38:38,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:38:38,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:38:38,382 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:38:38,382 INFO L185 Difference]: Start difference. First operand has 92 places, 110 transitions, 855 flow. Second operand 6 states and 1427 transitions. [2020-10-16 02:38:38,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 210 transitions, 1939 flow [2020-10-16 02:38:43,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 210 transitions, 1792 flow, removed 20 selfloop flow, removed 6 redundant places. [2020-10-16 02:38:43,377 INFO L241 Difference]: Finished difference. Result has 93 places, 135 transitions, 1174 flow [2020-10-16 02:38:43,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1174, PETRI_PLACES=93, PETRI_TRANSITIONS=135} [2020-10-16 02:38:43,378 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 42 predicate places. [2020-10-16 02:38:43,378 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 135 transitions, 1174 flow [2020-10-16 02:38:43,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:38:43,378 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:43,378 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:43,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 02:38:43,378 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:43,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:43,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1302225456, now seen corresponding path program 1 times [2020-10-16 02:38:43,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:43,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776458447] [2020-10-16 02:38:43,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:38:43,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776458447] [2020-10-16 02:38:43,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127688277] [2020-10-16 02:38:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:38:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:43,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:38:43,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:38:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:38:43,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:38:43,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:38:43,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974565742] [2020-10-16 02:38:43,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:38:43,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:43,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:38:43,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:38:43,611 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 02:38:43,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 135 transitions, 1174 flow. Second operand 12 states. [2020-10-16 02:38:43,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:43,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 02:38:43,612 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:49,145 INFO L129 PetriNetUnfolder]: 28677/52017 cut-off events. [2020-10-16 02:38:49,145 INFO L130 PetriNetUnfolder]: For 106851/106857 co-relation queries the response was YES. [2020-10-16 02:38:49,428 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160261 conditions, 52017 events. 28677/52017 cut-off events. For 106851/106857 co-relation queries the response was YES. Maximal size of possible extension queue 5086. Compared 580593 event pairs, 3438 based on Foata normal form. 240/43091 useless extension candidates. Maximal degree in co-relation 160231. Up to 13927 conditions per place. [2020-10-16 02:38:49,571 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 200 selfloop transitions, 83 changer transitions 0/301 dead transitions. [2020-10-16 02:38:49,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 301 transitions, 2639 flow [2020-10-16 02:38:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:38:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:38:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 02:38:49,575 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 02:38:49,575 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 02:38:49,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 02:38:49,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:49,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 02:38:49,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:38:49,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:38:49,580 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:38:49,581 INFO L185 Difference]: Start difference. First operand has 93 places, 135 transitions, 1174 flow. Second operand 13 states and 3017 transitions. [2020-10-16 02:38:49,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 301 transitions, 2639 flow [2020-10-16 02:38:53,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 301 transitions, 2514 flow, removed 52 selfloop flow, removed 1 redundant places. [2020-10-16 02:38:53,522 INFO L241 Difference]: Finished difference. Result has 106 places, 152 transitions, 1455 flow [2020-10-16 02:38:53,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1455, PETRI_PLACES=106, PETRI_TRANSITIONS=152} [2020-10-16 02:38:53,522 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 55 predicate places. [2020-10-16 02:38:53,522 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 152 transitions, 1455 flow [2020-10-16 02:38:53,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:38:53,523 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:53,523 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:53,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-16 02:38:53,734 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:53,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:53,734 INFO L82 PathProgramCache]: Analyzing trace with hash -912267010, now seen corresponding path program 1 times [2020-10-16 02:38:53,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:53,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756410998] [2020-10-16 02:38:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:38:53,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756410998] [2020-10-16 02:38:53,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906599998] [2020-10-16 02:38:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:38:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:53,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:38:53,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:38:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:38:53,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:38:53,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:38:53,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367125700] [2020-10-16 02:38:53,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:38:53,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:53,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:38:53,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:38:53,967 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 02:38:53,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 152 transitions, 1455 flow. Second operand 12 states. [2020-10-16 02:38:53,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:53,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 02:38:53,969 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:39:01,818 INFO L129 PetriNetUnfolder]: 29609/54524 cut-off events. [2020-10-16 02:39:01,818 INFO L130 PetriNetUnfolder]: For 138698/138698 co-relation queries the response was YES. [2020-10-16 02:39:02,184 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172814 conditions, 54524 events. 29609/54524 cut-off events. For 138698/138698 co-relation queries the response was YES. Maximal size of possible extension queue 5365. Compared 620154 event pairs, 3419 based on Foata normal form. 234/45280 useless extension candidates. Maximal degree in co-relation 172781. Up to 15679 conditions per place. [2020-10-16 02:39:02,346 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 215 selfloop transitions, 94 changer transitions 0/327 dead transitions. [2020-10-16 02:39:02,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 327 transitions, 3018 flow [2020-10-16 02:39:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:39:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:39:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 02:39:02,349 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 02:39:02,349 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 02:39:02,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 02:39:02,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:39:02,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 02:39:02,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:39:02,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:39:02,357 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:39:02,357 INFO L185 Difference]: Start difference. First operand has 106 places, 152 transitions, 1455 flow. Second operand 13 states and 2979 transitions. [2020-10-16 02:39:02,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 327 transitions, 3018 flow [2020-10-16 02:39:08,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 327 transitions, 2898 flow, removed 27 selfloop flow, removed 3 redundant places. [2020-10-16 02:39:08,194 INFO L241 Difference]: Finished difference. Result has 117 places, 174 transitions, 1766 flow [2020-10-16 02:39:08,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1363, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1766, PETRI_PLACES=117, PETRI_TRANSITIONS=174} [2020-10-16 02:39:08,195 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 66 predicate places. [2020-10-16 02:39:08,195 INFO L481 AbstractCegarLoop]: Abstraction has has 117 places, 174 transitions, 1766 flow [2020-10-16 02:39:08,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:39:08,195 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:39:08,195 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:39:08,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-16 02:39:08,401 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:39:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:39:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1177705100, now seen corresponding path program 1 times [2020-10-16 02:39:08,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:39:08,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115621033] [2020-10-16 02:39:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:39:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:39:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:39:08,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115621033] [2020-10-16 02:39:08,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:39:08,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:39:08,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604061427] [2020-10-16 02:39:08,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:39:08,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:39:08,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:39:08,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:39:08,468 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 02:39:08,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 174 transitions, 1766 flow. Second operand 7 states. [2020-10-16 02:39:08,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:39:08,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 02:39:08,470 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:39:14,413 INFO L129 PetriNetUnfolder]: 30879/56597 cut-off events. [2020-10-16 02:39:14,413 INFO L130 PetriNetUnfolder]: For 175952/175958 co-relation queries the response was YES. [2020-10-16 02:39:14,868 INFO L80 FinitePrefix]: Finished finitePrefix Result has 186717 conditions, 56597 events. 30879/56597 cut-off events. For 175952/175958 co-relation queries the response was YES. Maximal size of possible extension queue 5616. Compared 644809 event pairs, 3543 based on Foata normal form. 214/46885 useless extension candidates. Maximal degree in co-relation 186682. Up to 15693 conditions per place. [2020-10-16 02:39:15,050 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 219 selfloop transitions, 102 changer transitions 0/339 dead transitions. [2020-10-16 02:39:15,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 339 transitions, 3377 flow [2020-10-16 02:39:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:39:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:39:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 02:39:15,053 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 02:39:15,053 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 02:39:15,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 02:39:15,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:39:15,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 02:39:15,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:39:15,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:39:15,062 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:39:15,062 INFO L185 Difference]: Start difference. First operand has 117 places, 174 transitions, 1766 flow. Second operand 13 states and 3017 transitions. [2020-10-16 02:39:15,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 339 transitions, 3377 flow [2020-10-16 02:39:28,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 339 transitions, 3310 flow, removed 29 selfloop flow, removed 1 redundant places. [2020-10-16 02:39:28,570 INFO L241 Difference]: Finished difference. Result has 130 places, 190 transitions, 2143 flow [2020-10-16 02:39:28,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1725, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2143, PETRI_PLACES=130, PETRI_TRANSITIONS=190} [2020-10-16 02:39:28,570 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 79 predicate places. [2020-10-16 02:39:28,570 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 190 transitions, 2143 flow [2020-10-16 02:39:28,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:39:28,571 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:39:28,571 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:39:28,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-16 02:39:28,571 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:39:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:39:28,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1177431804, now seen corresponding path program 1 times [2020-10-16 02:39:28,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:39:28,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032896359] [2020-10-16 02:39:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:39:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:39:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:39:28,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032896359] [2020-10-16 02:39:28,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:39:28,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:39:28,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520963110] [2020-10-16 02:39:28,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:39:28,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:39:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:39:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:39:28,645 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 02:39:28,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 190 transitions, 2143 flow. Second operand 7 states. [2020-10-16 02:39:28,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:39:28,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 02:39:28,646 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:39:35,692 INFO L129 PetriNetUnfolder]: 31757/59260 cut-off events. [2020-10-16 02:39:35,692 INFO L130 PetriNetUnfolder]: For 226865/226865 co-relation queries the response was YES. [2020-10-16 02:39:36,102 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201517 conditions, 59260 events. 31757/59260 cut-off events. For 226865/226865 co-relation queries the response was YES. Maximal size of possible extension queue 5898. Compared 690126 event pairs, 3606 based on Foata normal form. 234/49218 useless extension candidates. Maximal degree in co-relation 201479. Up to 15679 conditions per place. [2020-10-16 02:39:36,270 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 223 selfloop transitions, 114 changer transitions 0/355 dead transitions. [2020-10-16 02:39:36,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 355 transitions, 3793 flow [2020-10-16 02:39:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:39:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:39:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 02:39:36,273 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 02:39:36,273 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 02:39:36,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 02:39:36,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:39:36,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 02:39:36,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:39:36,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:39:36,279 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:39:36,279 INFO L185 Difference]: Start difference. First operand has 130 places, 190 transitions, 2143 flow. Second operand 13 states and 2979 transitions. [2020-10-16 02:39:36,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 355 transitions, 3793 flow [2020-10-16 02:39:46,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 355 transitions, 3619 flow, removed 34 selfloop flow, removed 6 redundant places. [2020-10-16 02:39:46,592 INFO L241 Difference]: Finished difference. Result has 138 places, 209 transitions, 2492 flow [2020-10-16 02:39:46,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2492, PETRI_PLACES=138, PETRI_TRANSITIONS=209} [2020-10-16 02:39:46,593 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 87 predicate places. [2020-10-16 02:39:46,593 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 209 transitions, 2492 flow [2020-10-16 02:39:46,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:39:46,593 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:39:46,593 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:39:46,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-16 02:39:46,593 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:39:46,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:39:46,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2118368727, now seen corresponding path program 1 times [2020-10-16 02:39:46,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:39:46,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098006205] [2020-10-16 02:39:46,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:39:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:39:46,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:39:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:39:46,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:39:46,619 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:39:46,620 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:39:46,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-16 02:39:46,622 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:39:46,623 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:39:46,623 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 02:39:46,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,650 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:39:46,692 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 02:39:46,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:39:46,693 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:39:46,693 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:39:46,693 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:39:46,693 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:39:46,693 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:39:46,694 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:39:46,694 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:39:46,695 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 02:39:46,722 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 02:39:46,722 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:39:46,726 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 641 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-16 02:39:46,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 02:39:46,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 170 transitions, 403 flow [2020-10-16 02:39:46,729 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:39:46,729 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 02:39:46,729 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 02:39:46,729 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 171 places, 170 transitions, 403 flow [2020-10-16 02:39:46,753 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 02:39:46,753 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:39:46,756 INFO L80 FinitePrefix]: Finished finitePrefix Result has 299 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 630 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 260. Up to 14 conditions per place. [2020-10-16 02:39:46,773 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-16 02:39:48,982 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-16 02:39:50,649 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-10-16 02:39:51,177 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-10-16 02:39:51,684 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:39:51,803 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:39:51,849 INFO L132 LiptonReduction]: Checked pairs total: 27133 [2020-10-16 02:39:51,849 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-16 02:39:51,849 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5121 [2020-10-16 02:39:51,850 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:39:51,850 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:39:51,850 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:39:51,851 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:39:51,851 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:39:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:39:51,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1891446, now seen corresponding path program 1 times [2020-10-16 02:39:51,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:39:51,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561240150] [2020-10-16 02:39:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:39:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:39:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:39:51,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561240150] [2020-10-16 02:39:51,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:39:51,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:39:51,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886105950] [2020-10-16 02:39:51,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:39:51,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:39:51,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:39:51,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:39:51,878 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 382 [2020-10-16 02:39:51,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states. [2020-10-16 02:39:51,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:39:51,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 382 [2020-10-16 02:39:51,879 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:40:07,324 INFO L129 PetriNetUnfolder]: 138263/172004 cut-off events. [2020-10-16 02:40:07,324 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:40:08,136 INFO L80 FinitePrefix]: Finished finitePrefix Result has 326506 conditions, 172004 events. 138263/172004 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 8051. Compared 1052734 event pairs, 26989 based on Foata normal form. 19233/135484 useless extension candidates. Maximal degree in co-relation 326492. Up to 125299 conditions per place. [2020-10-16 02:40:08,807 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 37 selfloop transitions, 7 changer transitions 0/69 dead transitions. [2020-10-16 02:40:08,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 69 transitions, 289 flow [2020-10-16 02:40:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:40:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:40:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2020-10-16 02:40:08,809 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7094240837696335 [2020-10-16 02:40:08,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2020-10-16 02:40:08,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2020-10-16 02:40:08,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:40:08,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2020-10-16 02:40:08,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:40:08,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:40:08,812 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:40:08,812 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states and 813 transitions. [2020-10-16 02:40:08,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 69 transitions, 289 flow [2020-10-16 02:40:08,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 69 transitions, 258 flow, removed 15 selfloop flow, removed 1 redundant places. [2020-10-16 02:40:08,815 INFO L241 Difference]: Finished difference. Result has 60 places, 54 transitions, 175 flow [2020-10-16 02:40:08,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2020-10-16 02:40:08,816 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2020-10-16 02:40:08,816 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 175 flow [2020-10-16 02:40:08,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:40:08,816 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:40:08,816 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:40:08,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-16 02:40:08,817 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:40:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:40:08,817 INFO L82 PathProgramCache]: Analyzing trace with hash -314267951, now seen corresponding path program 1 times [2020-10-16 02:40:08,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:40:08,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398554708] [2020-10-16 02:40:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:40:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:40:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:40:08,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398554708] [2020-10-16 02:40:08,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:40:08,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:40:08,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967467326] [2020-10-16 02:40:08,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:40:08,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:40:08,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:40:08,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:40:08,872 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 02:40:08,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 175 flow. Second operand 5 states. [2020-10-16 02:40:08,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:40:08,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 02:40:08,874 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:40:49,124 INFO L129 PetriNetUnfolder]: 262495/332338 cut-off events. [2020-10-16 02:40:49,124 INFO L130 PetriNetUnfolder]: For 28089/28089 co-relation queries the response was YES. [2020-10-16 02:40:50,658 INFO L80 FinitePrefix]: Finished finitePrefix Result has 736078 conditions, 332338 events. 262495/332338 cut-off events. For 28089/28089 co-relation queries the response was YES. Maximal size of possible extension queue 16719. Compared 2295960 event pairs, 37680 based on Foata normal form. 2146/285086 useless extension candidates. Maximal degree in co-relation 736062. Up to 148085 conditions per place. [2020-10-16 02:40:52,097 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 85 selfloop transitions, 19 changer transitions 0/127 dead transitions. [2020-10-16 02:40:52,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 568 flow [2020-10-16 02:40:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:40:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:40:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2020-10-16 02:40:52,099 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6950261780104712 [2020-10-16 02:40:52,099 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2020-10-16 02:40:52,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2020-10-16 02:40:52,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:40:52,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2020-10-16 02:40:52,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:40:52,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:40:52,102 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:40:52,102 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 175 flow. Second operand 6 states and 1593 transitions. [2020-10-16 02:40:52,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 568 flow [2020-10-16 02:40:52,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 127 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:40:52,172 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 293 flow [2020-10-16 02:40:52,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=293, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2020-10-16 02:40:52,172 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2020-10-16 02:40:52,172 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 293 flow [2020-10-16 02:40:52,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:40:52,173 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:40:52,173 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:40:52,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-16 02:40:52,173 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:40:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:40:52,173 INFO L82 PathProgramCache]: Analyzing trace with hash 451493352, now seen corresponding path program 1 times [2020-10-16 02:40:52,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:40:52,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269702892] [2020-10-16 02:40:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:40:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:40:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:40:52,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269702892] [2020-10-16 02:40:52,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:40:52,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:40:52,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422611740] [2020-10-16 02:40:52,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:40:52,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:40:52,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:40:52,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:40:52,215 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 382 [2020-10-16 02:40:52,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 293 flow. Second operand 5 states. [2020-10-16 02:40:52,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:40:52,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 382 [2020-10-16 02:40:52,217 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:42:18,782 INFO L129 PetriNetUnfolder]: 440003/565566 cut-off events. [2020-10-16 02:42:18,782 INFO L130 PetriNetUnfolder]: For 266946/266946 co-relation queries the response was YES. [2020-10-16 02:42:21,778 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1431542 conditions, 565566 events. 440003/565566 cut-off events. For 266946/266946 co-relation queries the response was YES. Maximal size of possible extension queue 31359. Compared 4323689 event pairs, 52007 based on Foata normal form. 3602/484027 useless extension candidates. Maximal degree in co-relation 1431522. Up to 266740 conditions per place. [2020-10-16 02:42:24,410 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 97 selfloop transitions, 30 changer transitions 0/150 dead transitions. [2020-10-16 02:42:24,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 150 transitions, 862 flow [2020-10-16 02:42:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:42:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:42:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1606 transitions. [2020-10-16 02:42:24,412 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7006980802792321 [2020-10-16 02:42:24,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1606 transitions. [2020-10-16 02:42:24,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1606 transitions. [2020-10-16 02:42:24,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:42:24,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1606 transitions. [2020-10-16 02:42:24,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:42:24,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:42:24,416 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:42:24,416 INFO L185 Difference]: Start difference. First operand has 67 places, 66 transitions, 293 flow. Second operand 6 states and 1606 transitions. [2020-10-16 02:42:24,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 150 transitions, 862 flow [2020-10-16 02:43:13,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 150 transitions, 811 flow, removed 10 selfloop flow, removed 2 redundant places. [2020-10-16 02:43:13,914 INFO L241 Difference]: Finished difference. Result has 73 places, 84 transitions, 485 flow [2020-10-16 02:43:13,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=73, PETRI_TRANSITIONS=84} [2020-10-16 02:43:13,915 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2020-10-16 02:43:13,915 INFO L481 AbstractCegarLoop]: Abstraction has has 73 places, 84 transitions, 485 flow [2020-10-16 02:43:13,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:43:13,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:43:13,915 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:43:13,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-16 02:43:13,915 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:43:13,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:43:13,916 INFO L82 PathProgramCache]: Analyzing trace with hash 196451013, now seen corresponding path program 1 times [2020-10-16 02:43:13,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:43:13,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374894341] [2020-10-16 02:43:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:43:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:43:13,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374894341] [2020-10-16 02:43:13,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:43:13,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:43:13,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929023185] [2020-10-16 02:43:13,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:43:13,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:43:13,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:43:13,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:43:13,938 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 382 [2020-10-16 02:43:13,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states. [2020-10-16 02:43:13,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:43:13,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 382 [2020-10-16 02:43:13,939 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:14,429 INFO L129 PetriNetUnfolder]: 1855/5330 cut-off events. [2020-10-16 02:43:14,429 INFO L130 PetriNetUnfolder]: For 4423/5643 co-relation queries the response was YES. [2020-10-16 02:43:14,455 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12666 conditions, 5330 events. 1855/5330 cut-off events. For 4423/5643 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 54180 event pairs, 697 based on Foata normal form. 1797/6350 useless extension candidates. Maximal degree in co-relation 12643. Up to 1435 conditions per place. [2020-10-16 02:43:14,472 INFO L132 encePairwiseOnDemand]: 366/382 looper letters, 1 selfloop transitions, 16 changer transitions 0/80 dead transitions. [2020-10-16 02:43:14,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 477 flow [2020-10-16 02:43:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:43:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:43:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2020-10-16 02:43:14,474 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7504363001745201 [2020-10-16 02:43:14,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2020-10-16 02:43:14,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2020-10-16 02:43:14,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:14,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2020-10-16 02:43:14,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:43:14,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:43:14,476 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:43:14,476 INFO L185 Difference]: Start difference. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states and 860 transitions. [2020-10-16 02:43:14,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 477 flow [2020-10-16 02:43:14,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 80 transitions, 413 flow, removed 13 selfloop flow, removed 3 redundant places. [2020-10-16 02:43:14,524 INFO L241 Difference]: Finished difference. Result has 72 places, 80 transitions, 411 flow [2020-10-16 02:43:14,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=72, PETRI_TRANSITIONS=80} [2020-10-16 02:43:14,525 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 14 predicate places. [2020-10-16 02:43:14,525 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 80 transitions, 411 flow [2020-10-16 02:43:14,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:43:14,525 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:43:14,525 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:43:14,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-16 02:43:14,526 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:43:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:43:14,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1525764070, now seen corresponding path program 1 times [2020-10-16 02:43:14,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:43:14,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974012185] [2020-10-16 02:43:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:43:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:43:14,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974012185] [2020-10-16 02:43:14,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:43:14,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:43:14,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261454228] [2020-10-16 02:43:14,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:43:14,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:43:14,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:43:14,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:43:14,562 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 382 [2020-10-16 02:43:14,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 80 transitions, 411 flow. Second operand 5 states. [2020-10-16 02:43:14,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:43:14,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 382 [2020-10-16 02:43:14,563 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:22,893 INFO L129 PetriNetUnfolder]: 48322/86260 cut-off events. [2020-10-16 02:43:22,893 INFO L130 PetriNetUnfolder]: For 48373/48379 co-relation queries the response was YES. [2020-10-16 02:43:23,324 INFO L80 FinitePrefix]: Finished finitePrefix Result has 225441 conditions, 86260 events. 48322/86260 cut-off events. For 48373/48379 co-relation queries the response was YES. Maximal size of possible extension queue 7095. Compared 976939 event pairs, 6762 based on Foata normal form. 1134/73568 useless extension candidates. Maximal degree in co-relation 225420. Up to 37664 conditions per place. [2020-10-16 02:43:23,579 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 102 selfloop transitions, 44 changer transitions 0/169 dead transitions. [2020-10-16 02:43:23,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 169 transitions, 1100 flow [2020-10-16 02:43:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:43:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:43:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1586 transitions. [2020-10-16 02:43:23,581 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919720767888308 [2020-10-16 02:43:23,581 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1586 transitions. [2020-10-16 02:43:23,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1586 transitions. [2020-10-16 02:43:23,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:23,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1586 transitions. [2020-10-16 02:43:23,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:43:23,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:43:23,584 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:43:23,584 INFO L185 Difference]: Start difference. First operand has 72 places, 80 transitions, 411 flow. Second operand 6 states and 1586 transitions. [2020-10-16 02:43:23,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 169 transitions, 1100 flow [2020-10-16 02:43:26,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 169 transitions, 1067 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:43:26,110 INFO L241 Difference]: Finished difference. Result has 78 places, 103 transitions, 683 flow [2020-10-16 02:43:26,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=78, PETRI_TRANSITIONS=103} [2020-10-16 02:43:26,111 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 20 predicate places. [2020-10-16 02:43:26,111 INFO L481 AbstractCegarLoop]: Abstraction has has 78 places, 103 transitions, 683 flow [2020-10-16 02:43:26,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:43:26,111 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:43:26,111 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:43:26,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-16 02:43:26,112 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:43:26,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:43:26,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1133788585, now seen corresponding path program 1 times [2020-10-16 02:43:26,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:43:26,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300309932] [2020-10-16 02:43:26,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:43:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:43:26,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300309932] [2020-10-16 02:43:26,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519394112] [2020-10-16 02:43:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:43:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:26,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:43:26,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:43:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:43:26,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:43:26,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:43:26,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995781576] [2020-10-16 02:43:26,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:43:26,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:43:26,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:43:26,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:43:26,337 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 02:43:26,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 103 transitions, 683 flow. Second operand 12 states. [2020-10-16 02:43:26,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:43:26,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 02:43:26,339 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:35,983 INFO L129 PetriNetUnfolder]: 54766/94158 cut-off events. [2020-10-16 02:43:35,983 INFO L130 PetriNetUnfolder]: For 81305/81305 co-relation queries the response was YES. [2020-10-16 02:43:36,475 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256784 conditions, 94158 events. 54766/94158 cut-off events. For 81305/81305 co-relation queries the response was YES. Maximal size of possible extension queue 7775. Compared 1039925 event pairs, 6126 based on Foata normal form. 378/78495 useless extension candidates. Maximal degree in co-relation 256759. Up to 24290 conditions per place. [2020-10-16 02:43:36,753 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 201 selfloop transitions, 64 changer transitions 0/286 dead transitions. [2020-10-16 02:43:36,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 286 transitions, 1962 flow [2020-10-16 02:43:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:43:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:43:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 02:43:36,757 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 02:43:36,757 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 02:43:36,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 02:43:36,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:36,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 02:43:36,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:43:36,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:43:36,764 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:43:36,764 INFO L185 Difference]: Start difference. First operand has 78 places, 103 transitions, 683 flow. Second operand 13 states and 3402 transitions. [2020-10-16 02:43:36,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 286 transitions, 1962 flow [2020-10-16 02:43:44,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 286 transitions, 1857 flow, removed 44 selfloop flow, removed 1 redundant places. [2020-10-16 02:43:44,330 INFO L241 Difference]: Finished difference. Result has 91 places, 118 transitions, 890 flow [2020-10-16 02:43:44,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=890, PETRI_PLACES=91, PETRI_TRANSITIONS=118} [2020-10-16 02:43:44,330 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2020-10-16 02:43:44,330 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 118 transitions, 890 flow [2020-10-16 02:43:44,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:43:44,330 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:43:44,330 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:43:44,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-16 02:43:44,531 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:43:44,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:43:44,532 INFO L82 PathProgramCache]: Analyzing trace with hash -374161485, now seen corresponding path program 1 times [2020-10-16 02:43:44,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:43:44,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968349311] [2020-10-16 02:43:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:43:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:43:44,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968349311] [2020-10-16 02:43:44,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:43:44,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:43:44,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253957913] [2020-10-16 02:43:44,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:43:44,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:43:44,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:43:44,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:43:44,594 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 02:43:44,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 118 transitions, 890 flow. Second operand 7 states. [2020-10-16 02:43:44,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:43:44,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 02:43:44,595 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:54,920 INFO L129 PetriNetUnfolder]: 57687/99766 cut-off events. [2020-10-16 02:43:54,920 INFO L130 PetriNetUnfolder]: For 131141/131141 co-relation queries the response was YES. [2020-10-16 02:43:55,510 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285710 conditions, 99766 events. 57687/99766 cut-off events. For 131141/131141 co-relation queries the response was YES. Maximal size of possible extension queue 8278. Compared 1116046 event pairs, 6221 based on Foata normal form. 378/83094 useless extension candidates. Maximal degree in co-relation 285682. Up to 24290 conditions per place. [2020-10-16 02:43:55,821 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 205 selfloop transitions, 72 changer transitions 0/298 dead transitions. [2020-10-16 02:43:55,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 298 transitions, 2173 flow [2020-10-16 02:43:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:43:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:43:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 02:43:55,824 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 02:43:55,825 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 02:43:55,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 02:43:55,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:55,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 02:43:55,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:43:55,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:43:55,829 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:43:55,829 INFO L185 Difference]: Start difference. First operand has 91 places, 118 transitions, 890 flow. Second operand 13 states and 3402 transitions. [2020-10-16 02:43:55,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 298 transitions, 2173 flow [2020-10-16 02:44:09,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 298 transitions, 2042 flow, removed 12 selfloop flow, removed 6 redundant places. [2020-10-16 02:44:09,885 INFO L241 Difference]: Finished difference. Result has 99 places, 131 transitions, 1039 flow [2020-10-16 02:44:09,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1039, PETRI_PLACES=99, PETRI_TRANSITIONS=131} [2020-10-16 02:44:09,885 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 41 predicate places. [2020-10-16 02:44:09,885 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 131 transitions, 1039 flow [2020-10-16 02:44:09,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:44:09,886 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:44:09,886 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:44:09,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-16 02:44:09,886 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:44:09,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:44:09,886 INFO L82 PathProgramCache]: Analyzing trace with hash 55008094, now seen corresponding path program 1 times [2020-10-16 02:44:09,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:44:09,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569815573] [2020-10-16 02:44:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:44:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:44:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 02:44:09,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569815573] [2020-10-16 02:44:09,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:44:09,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:44:09,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734194835] [2020-10-16 02:44:09,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:44:09,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:44:09,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:44:09,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:44:09,925 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 02:44:09,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 131 transitions, 1039 flow. Second operand 5 states. [2020-10-16 02:44:09,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:44:09,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 02:44:09,926 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:44:25,385 INFO L129 PetriNetUnfolder]: 79375/141131 cut-off events. [2020-10-16 02:44:25,385 INFO L130 PetriNetUnfolder]: For 282467/282501 co-relation queries the response was YES. [2020-10-16 02:44:26,266 INFO L80 FinitePrefix]: Finished finitePrefix Result has 420081 conditions, 141131 events. 79375/141131 cut-off events. For 282467/282501 co-relation queries the response was YES. Maximal size of possible extension queue 12328. Compared 1693133 event pairs, 11081 based on Foata normal form. 1600/118587 useless extension candidates. Maximal degree in co-relation 420052. Up to 69431 conditions per place. [2020-10-16 02:44:26,726 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 162 selfloop transitions, 71 changer transitions 0/256 dead transitions. [2020-10-16 02:44:26,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 256 transitions, 2407 flow [2020-10-16 02:44:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:44:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:44:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1592 transitions. [2020-10-16 02:44:26,729 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6945898778359512 [2020-10-16 02:44:26,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1592 transitions. [2020-10-16 02:44:26,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1592 transitions. [2020-10-16 02:44:26,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:44:26,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1592 transitions. [2020-10-16 02:44:26,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:44:26,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:44:26,733 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:44:26,733 INFO L185 Difference]: Start difference. First operand has 99 places, 131 transitions, 1039 flow. Second operand 6 states and 1592 transitions. [2020-10-16 02:44:26,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 256 transitions, 2407 flow [2020-10-16 02:44:55,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 256 transitions, 2226 flow, removed 28 selfloop flow, removed 6 redundant places. [2020-10-16 02:44:55,092 INFO L241 Difference]: Finished difference. Result has 100 places, 165 transitions, 1476 flow [2020-10-16 02:44:55,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1476, PETRI_PLACES=100, PETRI_TRANSITIONS=165} [2020-10-16 02:44:55,093 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 42 predicate places. [2020-10-16 02:44:55,093 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 165 transitions, 1476 flow [2020-10-16 02:44:55,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:44:55,093 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:44:55,093 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:44:55,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-16 02:44:55,093 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:44:55,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:44:55,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1013943917, now seen corresponding path program 1 times [2020-10-16 02:44:55,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:44:55,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209173508] [2020-10-16 02:44:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:44:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:44:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:44:55,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209173508] [2020-10-16 02:44:55,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:44:55,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:44:55,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020867615] [2020-10-16 02:44:55,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:44:55,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:44:55,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:44:55,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:44:55,156 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 02:44:55,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 165 transitions, 1476 flow. Second operand 7 states. [2020-10-16 02:44:55,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:44:55,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 02:44:55,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:45:13,077 INFO L129 PetriNetUnfolder]: 86006/153802 cut-off events. [2020-10-16 02:45:13,077 INFO L130 PetriNetUnfolder]: For 360321/360327 co-relation queries the response was YES. [2020-10-16 02:45:14,128 INFO L80 FinitePrefix]: Finished finitePrefix Result has 476621 conditions, 153802 events. 86006/153802 cut-off events. For 360321/360327 co-relation queries the response was YES. Maximal size of possible extension queue 13237. Compared 1881399 event pairs, 9796 based on Foata normal form. 622/128495 useless extension candidates. Maximal degree in co-relation 476590. Up to 41672 conditions per place. [2020-10-16 02:45:14,648 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 239 selfloop transitions, 111 changer transitions 0/371 dead transitions. [2020-10-16 02:45:14,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 371 transitions, 3305 flow [2020-10-16 02:45:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:45:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:45:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 02:45:14,653 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 02:45:14,653 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 02:45:14,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 02:45:14,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:45:14,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 02:45:14,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:45:14,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:45:14,660 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:45:14,660 INFO L185 Difference]: Start difference. First operand has 100 places, 165 transitions, 1476 flow. Second operand 13 states and 3365 transitions. [2020-10-16 02:45:14,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 371 transitions, 3305 flow [2020-10-16 02:45:47,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 371 transitions, 3124 flow, removed 76 selfloop flow, removed 1 redundant places. [2020-10-16 02:45:47,842 INFO L241 Difference]: Finished difference. Result has 113 places, 189 transitions, 1859 flow [2020-10-16 02:45:47,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1401, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1859, PETRI_PLACES=113, PETRI_TRANSITIONS=189} [2020-10-16 02:45:47,843 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 55 predicate places. [2020-10-16 02:45:47,843 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 189 transitions, 1859 flow [2020-10-16 02:45:47,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:45:47,843 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:45:47,843 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:45:47,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-16 02:45:47,844 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:45:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:45:47,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1591344468, now seen corresponding path program 1 times [2020-10-16 02:45:47,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:45:47,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267521118] [2020-10-16 02:45:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:45:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:45:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:45:47,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267521118] [2020-10-16 02:45:47,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340833814] [2020-10-16 02:45:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:45:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:45:47,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:45:47,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:45:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:45:48,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:45:48,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:45:48,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59843336] [2020-10-16 02:45:48,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:45:48,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:45:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:45:48,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:45:48,076 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 02:45:48,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 189 transitions, 1859 flow. Second operand 12 states. [2020-10-16 02:45:48,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:45:48,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 02:45:48,078 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:46:07,985 INFO L129 PetriNetUnfolder]: 91402/163633 cut-off events. [2020-10-16 02:46:07,985 INFO L130 PetriNetUnfolder]: For 461628/461628 co-relation queries the response was YES. [2020-10-16 02:46:09,208 INFO L80 FinitePrefix]: Finished finitePrefix Result has 527541 conditions, 163633 events. 91402/163633 cut-off events. For 461628/461628 co-relation queries the response was YES. Maximal size of possible extension queue 14048. Compared 2015775 event pairs, 10467 based on Foata normal form. 616/136476 useless extension candidates. Maximal degree in co-relation 527507. Up to 48458 conditions per place. [2020-10-16 02:46:11,744 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 261 selfloop transitions, 122 changer transitions 0/404 dead transitions. [2020-10-16 02:46:11,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 404 transitions, 3824 flow [2020-10-16 02:46:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:46:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:46:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 02:46:11,748 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 02:46:11,748 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 02:46:11,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 02:46:11,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:46:11,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 02:46:11,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:46:11,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:46:11,756 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:46:11,756 INFO L185 Difference]: Start difference. First operand has 113 places, 189 transitions, 1859 flow. Second operand 13 states and 3392 transitions. [2020-10-16 02:46:11,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 404 transitions, 3824 flow [2020-10-16 02:47:08,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 404 transitions, 3648 flow, removed 41 selfloop flow, removed 3 redundant places. [2020-10-16 02:47:08,982 INFO L241 Difference]: Finished difference. Result has 124 places, 218 transitions, 2264 flow [2020-10-16 02:47:08,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1729, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2264, PETRI_PLACES=124, PETRI_TRANSITIONS=218} [2020-10-16 02:47:08,982 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 66 predicate places. [2020-10-16 02:47:08,982 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 218 transitions, 2264 flow [2020-10-16 02:47:08,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:47:08,982 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:47:08,983 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:47:09,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:47:09,183 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:47:09,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:47:09,184 INFO L82 PathProgramCache]: Analyzing trace with hash -733173343, now seen corresponding path program 1 times [2020-10-16 02:47:09,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:47:09,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500494041] [2020-10-16 02:47:09,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:47:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:47:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:47:09,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500494041] [2020-10-16 02:47:09,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:47:09,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:47:09,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640427642] [2020-10-16 02:47:09,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:47:09,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:47:09,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:47:09,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:47:09,235 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 02:47:09,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 218 transitions, 2264 flow. Second operand 7 states. [2020-10-16 02:47:09,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:47:09,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 02:47:09,236 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:47:31,844 INFO L129 PetriNetUnfolder]: 95100/170628 cut-off events. [2020-10-16 02:47:31,844 INFO L130 PetriNetUnfolder]: For 592474/592480 co-relation queries the response was YES. [2020-10-16 02:47:33,073 INFO L80 FinitePrefix]: Finished finitePrefix Result has 575229 conditions, 170628 events. 95100/170628 cut-off events. For 592474/592480 co-relation queries the response was YES. Maximal size of possible extension queue 14649. Compared 2118061 event pairs, 10733 based on Foata normal form. 482/142149 useless extension candidates. Maximal degree in co-relation 575193. Up to 48437 conditions per place. [2020-10-16 02:47:33,601 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 266 selfloop transitions, 138 changer transitions 0/425 dead transitions. [2020-10-16 02:47:33,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 425 transitions, 4306 flow [2020-10-16 02:47:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:47:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:47:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 02:47:33,604 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 02:47:33,604 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 02:47:33,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 02:47:33,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:47:33,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 02:47:33,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:47:33,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:47:33,611 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:47:33,611 INFO L185 Difference]: Start difference. First operand has 124 places, 218 transitions, 2264 flow. Second operand 13 states and 3365 transitions. [2020-10-16 02:47:33,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 425 transitions, 4306 flow [2020-10-16 02:48:49,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 425 transitions, 4203 flow, removed 45 selfloop flow, removed 1 redundant places. [2020-10-16 02:48:49,640 INFO L241 Difference]: Finished difference. Result has 137 places, 240 transitions, 2772 flow [2020-10-16 02:48:49,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2203, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2772, PETRI_PLACES=137, PETRI_TRANSITIONS=240} [2020-10-16 02:48:49,640 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 79 predicate places. [2020-10-16 02:48:49,640 INFO L481 AbstractCegarLoop]: Abstraction has has 137 places, 240 transitions, 2772 flow [2020-10-16 02:48:49,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:48:49,640 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:48:49,641 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:48:49,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-16 02:48:49,641 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:48:49,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:48:49,641 INFO L82 PathProgramCache]: Analyzing trace with hash -732951042, now seen corresponding path program 1 times [2020-10-16 02:48:49,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:48:49,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304704645] [2020-10-16 02:48:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:48:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:48:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:48:49,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304704645] [2020-10-16 02:48:49,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:48:49,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:48:49,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493462684] [2020-10-16 02:48:49,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:48:49,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:48:49,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:48:49,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:48:49,692 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 02:48:49,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 240 transitions, 2772 flow. Second operand 7 states. [2020-10-16 02:48:49,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:48:49,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 02:48:49,694 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:49:15,300 INFO L129 PetriNetUnfolder]: 100407/180336 cut-off events. [2020-10-16 02:49:15,300 INFO L130 PetriNetUnfolder]: For 783586/783586 co-relation queries the response was YES. [2020-10-16 02:49:16,675 INFO L80 FinitePrefix]: Finished finitePrefix Result has 632487 conditions, 180336 events. 100407/180336 cut-off events. For 783586/783586 co-relation queries the response was YES. Maximal size of possible extension queue 15462. Compared 2254188 event pairs, 11072 based on Foata normal form. 616/150392 useless extension candidates. Maximal degree in co-relation 632448. Up to 48458 conditions per place. [2020-10-16 02:49:17,239 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 274 selfloop transitions, 148 changer transitions 0/443 dead transitions. [2020-10-16 02:49:17,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 443 transitions, 4857 flow [2020-10-16 02:49:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:49:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:49:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 02:49:17,243 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 02:49:17,243 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 02:49:17,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 02:49:17,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:49:17,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 02:49:17,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:49:17,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:49:17,250 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:49:17,250 INFO L185 Difference]: Start difference. First operand has 137 places, 240 transitions, 2772 flow. Second operand 13 states and 3392 transitions. [2020-10-16 02:49:17,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 443 transitions, 4857 flow Received shutdown request... [2020-10-16 02:49:39,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-16 02:49:39,258 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 02:49:39,260 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 02:49:39,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:49:39 BasicIcfg [2020-10-16 02:49:39,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:49:39,261 INFO L168 Benchmark]: Toolchain (without parser) took 741953.38 ms. Allocated memory was 252.2 MB in the beginning and 6.2 GB in the end (delta: 6.0 GB). Free memory was 207.7 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-10-16 02:49:39,262 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:49:39,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.77 ms. Allocated memory was 252.2 MB in the beginning and 315.6 MB in the end (delta: 63.4 MB). Free memory was 207.7 MB in the beginning and 271.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. [2020-10-16 02:49:39,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.14 ms. Allocated memory is still 315.6 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:49:39,262 INFO L168 Benchmark]: Boogie Preprocessor took 29.90 ms. Allocated memory is still 315.6 MB. Free memory was 268.9 MB in the beginning and 266.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:49:39,263 INFO L168 Benchmark]: RCFGBuilder took 468.37 ms. Allocated memory is still 315.6 MB. Free memory was 266.4 MB in the beginning and 242.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:49:39,263 INFO L168 Benchmark]: TraceAbstraction took 740694.03 ms. Allocated memory was 315.6 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 242.0 MB in the beginning and 4.4 GB in the end (delta: -4.1 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-10-16 02:49:39,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 701.77 ms. Allocated memory was 252.2 MB in the beginning and 315.6 MB in the end (delta: 63.4 MB). Free memory was 207.7 MB in the beginning and 271.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 51.14 ms. Allocated memory is still 315.6 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 29.90 ms. Allocated memory is still 315.6 MB. Free memory was 268.9 MB in the beginning and 266.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 468.37 ms. Allocated memory is still 315.6 MB. Free memory was 266.4 MB in the beginning and 242.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 740694.03 ms. Allocated memory was 315.6 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 242.0 MB in the beginning and 4.4 GB in the end (delta: -4.1 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 866 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 76 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 11 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 86 TotalNumberOfCompositions, 1210 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2038 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 26 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 101 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 95 PlacesBefore, 28 PlacesAfterwards, 94 TransitionsBefore, 23 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 14 ConcurrentYvCompositions, 4 ChoiceCompositions, 91 TotalNumberOfCompositions, 3948 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3478 VarBasedMoverChecksPositive, 62 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 114 PlacesBefore, 36 PlacesAfterwards, 113 TransitionsBefore, 30 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 105 TotalNumberOfCompositions, 8097 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5245 VarBasedMoverChecksPositive, 133 VarBasedMoverChecksNegative, 76 SemBasedMoverChecksPositive, 57 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 222 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 133 PlacesBefore, 44 PlacesAfterwards, 132 TransitionsBefore, 37 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 127 TotalNumberOfCompositions, 15232 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7866 VarBasedMoverChecksPositive, 154 VarBasedMoverChecksNegative, 84 SemBasedMoverChecksPositive, 70 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 300 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 152 PlacesBefore, 51 PlacesAfterwards, 151 TransitionsBefore, 44 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 22 ConcurrentYvCompositions, 6 ChoiceCompositions, 144 TotalNumberOfCompositions, 20347 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10758 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 106 SemBasedMoverChecksPositive, 88 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 608 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.1s, 171 PlacesBefore, 58 PlacesAfterwards, 170 TransitionsBefore, 51 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 161 TotalNumberOfCompositions, 27133 MoverChecksTotal - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 740.2s, OverallIterations: 44, TraceHistogramMax: 6, AutomataDifference: 712.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 23.3s, HoareTripleCheckerStatistics: 299 SDtfs, 3596 SDslu, 408 SDs, 0 SdLazy, 6504 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2772occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 64596 SizeOfPredicates, 24 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 45 InterpolantComputations, 33 PerfectInterpolantSequences, 164/182 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown