/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-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 04:12:37,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 04:12:37,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 04:12:37,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 04:12:37,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 04:12:37,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 04:12:37,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 04:12:37,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 04:12:37,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 04:12:37,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 04:12:37,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 04:12:37,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 04:12:37,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 04:12:37,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 04:12:37,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 04:12:37,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 04:12:37,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 04:12:37,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 04:12:37,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 04:12:37,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 04:12:37,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 04:12:37,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 04:12:37,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 04:12:37,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 04:12:37,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 04:12:37,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 04:12:37,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 04:12:37,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 04:12:37,959 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-SemanticLooper.epf [2020-10-16 04:12:37,983 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 04:12:37,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 04:12:37,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 04:12:37,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 04:12:37,985 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 04:12:37,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 04:12:37,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 04:12:37,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 04:12:37,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 04:12:37,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 04:12:37,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 04:12:37,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 04:12:37,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 04:12:37,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 04:12:37,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 04:12:37,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 04:12:37,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 04:12:37,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 04:12:37,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 04:12:37,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 04:12:37,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 04:12:37,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 04:12:37,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 04:12:37,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 04:12:37,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 04:12:37,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 04:12:37,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 04:12:37,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 04:12:37,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 04:12:38,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 04:12:38,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 04:12:38,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 04:12:38,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 04:12:38,330 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 04:12:38,331 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-16 04:12:38,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7d20a50/e9b181e7f37a4255a4454e550782ae0c/FLAG2f33900a9 [2020-10-16 04:12:38,890 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 04:12:38,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-16 04:12:38,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7d20a50/e9b181e7f37a4255a4454e550782ae0c/FLAG2f33900a9 [2020-10-16 04:12:39,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7d20a50/e9b181e7f37a4255a4454e550782ae0c [2020-10-16 04:12:39,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 04:12:39,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 04:12:39,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 04:12:39,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 04:12:39,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 04:12:39,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751963fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39, skipping insertion in model container [2020-10-16 04:12:39,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 04:12:39,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 04:12:39,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 04:12:39,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 04:12:39,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 04:12:39,878 INFO L208 MainTranslator]: Completed translation [2020-10-16 04:12:39,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39 WrapperNode [2020-10-16 04:12:39,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 04:12:39,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 04:12:39,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 04:12:39,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 04:12:39,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 04:12:39,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 04:12:39,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 04:12:39,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 04:12:39,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (1/1) ... [2020-10-16 04:12:39,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 04:12:39,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 04:12:39,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 04:12:39,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 04:12:39,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (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 04:12:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 04:12:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 04:12:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2020-10-16 04:12:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2020-10-16 04:12:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 04:12:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 04:12:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 04:12:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 04:12:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 04:12:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 04:12:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 04:12:40,032 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 04:12:40,668 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 04:12:40,668 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-16 04:12:40,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:40 BoogieIcfgContainer [2020-10-16 04:12:40,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 04:12:40,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 04:12:40,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 04:12:40,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 04:12:40,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:12:39" (1/3) ... [2020-10-16 04:12:40,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f42176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:40, skipping insertion in model container [2020-10-16 04:12:40,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:39" (2/3) ... [2020-10-16 04:12:40,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f42176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:40, skipping insertion in model container [2020-10-16 04:12:40,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:40" (3/3) ... [2020-10-16 04:12:40,681 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2020-10-16 04:12:40,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 04:12:40,702 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 04:12:40,703 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 04:12:40,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,736 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,736 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,737 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,737 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,737 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,737 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,738 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,738 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,738 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,739 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,739 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,739 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,739 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,740 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,740 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,741 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,748 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,748 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,749 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,749 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,749 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,749 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,750 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:40,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 04:12:40,804 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:12:40,804 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:12:40,804 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:12:40,804 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:12:40,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:12:40,805 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:12:40,805 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:12:40,805 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:12:40,820 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 159 flow [2020-10-16 04:12:40,862 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-10-16 04:12:40,862 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:40,868 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-10-16 04:12:40,868 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 159 flow [2020-10-16 04:12:40,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 70 transitions, 151 flow [2020-10-16 04:12:40,878 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:12:40,881 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 70 transitions, 151 flow [2020-10-16 04:12:40,884 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 70 transitions, 151 flow [2020-10-16 04:12:40,885 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 151 flow [2020-10-16 04:12:40,916 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-10-16 04:12:40,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:40,919 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-10-16 04:12:40,923 INFO L117 LiptonReduction]: Number of co-enabled transitions 2040 [2020-10-16 04:12:42,140 INFO L132 LiptonReduction]: Checked pairs total: 5375 [2020-10-16 04:12:42,140 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-16 04:12:42,144 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1267 [2020-10-16 04:12:42,151 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2020-10-16 04:12:42,152 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:42,152 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:42,153 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:42,153 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:42,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:42,159 INFO L82 PathProgramCache]: Analyzing trace with hash 199623798, now seen corresponding path program 1 times [2020-10-16 04:12:42,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:42,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580013132] [2020-10-16 04:12:42,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:42,363 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 04:12:42,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580013132] [2020-10-16 04:12:42,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:42,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:12:42,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644465571] [2020-10-16 04:12:42,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:42,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:42,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:42,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:42,395 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 122 [2020-10-16 04:12:42,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 75 flow. Second operand 3 states. [2020-10-16 04:12:42,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:42,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 122 [2020-10-16 04:12:42,399 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:42,507 INFO L129 PetriNetUnfolder]: 103/260 cut-off events. [2020-10-16 04:12:42,508 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:42,509 INFO L80 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 260 events. 103/260 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1347 event pairs, 21 based on Foata normal form. 94/292 useless extension candidates. Maximal degree in co-relation 419. Up to 93 conditions per place. [2020-10-16 04:12:42,513 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 9 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2020-10-16 04:12:42,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 117 flow [2020-10-16 04:12:42,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2020-10-16 04:12:42,530 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6967213114754098 [2020-10-16 04:12:42,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2020-10-16 04:12:42,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2020-10-16 04:12:42,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:42,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2020-10-16 04:12:42,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:42,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:42,546 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:42,548 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 75 flow. Second operand 3 states and 255 transitions. [2020-10-16 04:12:42,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 117 flow [2020-10-16 04:12:42,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 115 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:42,555 INFO L241 Difference]: Finished difference. Result has 38 places, 36 transitions, 123 flow [2020-10-16 04:12:42,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2020-10-16 04:12:42,559 INFO L342 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2020-10-16 04:12:42,559 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 123 flow [2020-10-16 04:12:42,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:42,559 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:42,560 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:42,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 04:12:42,560 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:42,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1435047153, now seen corresponding path program 1 times [2020-10-16 04:12:42,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:42,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965251927] [2020-10-16 04:12:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:42,612 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 04:12:42,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965251927] [2020-10-16 04:12:42,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:42,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:42,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140761244] [2020-10-16 04:12:42,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:42,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:42,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:42,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:42,618 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 122 [2020-10-16 04:12:42,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 123 flow. Second operand 3 states. [2020-10-16 04:12:42,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:42,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 122 [2020-10-16 04:12:42,619 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:42,673 INFO L129 PetriNetUnfolder]: 26/124 cut-off events. [2020-10-16 04:12:42,673 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-10-16 04:12:42,674 INFO L80 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 124 events. 26/124 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 505 event pairs, 6 based on Foata normal form. 44/161 useless extension candidates. Maximal degree in co-relation 249. Up to 38 conditions per place. [2020-10-16 04:12:42,675 INFO L132 encePairwiseOnDemand]: 111/122 looper letters, 1 selfloop transitions, 12 changer transitions 0/34 dead transitions. [2020-10-16 04:12:42,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 34 transitions, 137 flow [2020-10-16 04:12:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2020-10-16 04:12:42,678 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7021857923497268 [2020-10-16 04:12:42,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2020-10-16 04:12:42,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2020-10-16 04:12:42,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:42,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2020-10-16 04:12:42,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:42,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:42,682 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:42,682 INFO L185 Difference]: Start difference. First operand has 38 places, 36 transitions, 123 flow. Second operand 3 states and 257 transitions. [2020-10-16 04:12:42,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 34 transitions, 137 flow [2020-10-16 04:12:42,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 123 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:42,685 INFO L241 Difference]: Finished difference. Result has 38 places, 34 transitions, 121 flow [2020-10-16 04:12:42,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2020-10-16 04:12:42,686 INFO L342 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2020-10-16 04:12:42,686 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 121 flow [2020-10-16 04:12:42,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:42,686 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:42,686 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:42,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 04:12:42,687 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:42,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:42,687 INFO L82 PathProgramCache]: Analyzing trace with hash 2056627076, now seen corresponding path program 1 times [2020-10-16 04:12:42,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:42,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989339572] [2020-10-16 04:12:42,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:42,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:42,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:42,767 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:12:42,768 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:12:42,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 04:12:42,772 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 04:12:42,773 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 04:12:42,787 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,787 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,787 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,789 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,789 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,789 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,791 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,794 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,795 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,795 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,795 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,796 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,796 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,796 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,796 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,797 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,797 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,801 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,801 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,802 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,802 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,809 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,810 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,811 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,811 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,811 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,813 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,813 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,813 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,813 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,813 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,814 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,814 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,814 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,818 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,818 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,819 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,819 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,819 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,819 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,819 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,828 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,829 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,830 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,830 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,841 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,841 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,841 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:42,845 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 04:12:42,845 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:12:42,845 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:12:42,845 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:12:42,846 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:12:42,846 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:12:42,846 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:12:42,846 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:12:42,846 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:12:42,850 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 117 transitions, 270 flow [2020-10-16 04:12:42,868 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-10-16 04:12:42,868 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 04:12:42,870 INFO L80 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 278 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 121. Up to 6 conditions per place. [2020-10-16 04:12:42,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 117 transitions, 270 flow [2020-10-16 04:12:42,872 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 93 transitions, 204 flow [2020-10-16 04:12:42,872 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:12:42,872 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 93 transitions, 204 flow [2020-10-16 04:12:42,873 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 93 transitions, 204 flow [2020-10-16 04:12:42,873 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 93 transitions, 204 flow [2020-10-16 04:12:42,898 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-10-16 04:12:42,898 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 04:12:42,899 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 285 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 106. Up to 6 conditions per place. [2020-10-16 04:12:42,908 INFO L117 LiptonReduction]: Number of co-enabled transitions 4412 [2020-10-16 04:12:44,534 INFO L132 LiptonReduction]: Checked pairs total: 14464 [2020-10-16 04:12:44,535 INFO L134 LiptonReduction]: Total number of compositions: 63 [2020-10-16 04:12:44,535 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1663 [2020-10-16 04:12:44,538 INFO L129 PetriNetUnfolder]: 2/18 cut-off events. [2020-10-16 04:12:44,538 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:44,538 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:44,539 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:44,539 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:44,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:44,539 INFO L82 PathProgramCache]: Analyzing trace with hash -33017374, now seen corresponding path program 1 times [2020-10-16 04:12:44,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:44,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824873134] [2020-10-16 04:12:44,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:44,580 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 04:12:44,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824873134] [2020-10-16 04:12:44,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:44,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:12:44,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246938269] [2020-10-16 04:12:44,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:44,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:44,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:44,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:44,583 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 180 [2020-10-16 04:12:44,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 120 flow. Second operand 3 states. [2020-10-16 04:12:44,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:44,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 180 [2020-10-16 04:12:44,584 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:44,734 INFO L129 PetriNetUnfolder]: 636/1209 cut-off events. [2020-10-16 04:12:44,734 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 04:12:44,741 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1987 conditions, 1209 events. 636/1209 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7463 event pairs, 299 based on Foata normal form. 437/1304 useless extension candidates. Maximal degree in co-relation 1976. Up to 668 conditions per place. [2020-10-16 04:12:44,753 INFO L132 encePairwiseOnDemand]: 170/180 looper letters, 18 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2020-10-16 04:12:44,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 53 transitions, 164 flow [2020-10-16 04:12:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2020-10-16 04:12:44,756 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2020-10-16 04:12:44,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 396 transitions. [2020-10-16 04:12:44,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 396 transitions. [2020-10-16 04:12:44,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:44,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 396 transitions. [2020-10-16 04:12:44,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:44,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:44,760 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:44,761 INFO L185 Difference]: Start difference. First operand has 54 places, 51 transitions, 120 flow. Second operand 3 states and 396 transitions. [2020-10-16 04:12:44,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 53 transitions, 164 flow [2020-10-16 04:12:44,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 53 transitions, 160 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:44,764 INFO L241 Difference]: Finished difference. Result has 53 places, 46 transitions, 118 flow [2020-10-16 04:12:44,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=53, PETRI_TRANSITIONS=46} [2020-10-16 04:12:44,764 INFO L342 CegarLoopForPetriNet]: 54 programPoint places, -1 predicate places. [2020-10-16 04:12:44,764 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 118 flow [2020-10-16 04:12:44,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:44,764 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:44,765 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:44,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 04:12:44,765 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:44,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:44,765 INFO L82 PathProgramCache]: Analyzing trace with hash -359455847, now seen corresponding path program 1 times [2020-10-16 04:12:44,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:44,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759157004] [2020-10-16 04:12:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:44,798 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 04:12:44,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759157004] [2020-10-16 04:12:44,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:44,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:44,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100557516] [2020-10-16 04:12:44,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:44,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:44,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:44,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:44,802 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 180 [2020-10-16 04:12:44,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 118 flow. Second operand 3 states. [2020-10-16 04:12:44,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:44,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 180 [2020-10-16 04:12:44,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:44,944 INFO L129 PetriNetUnfolder]: 98/451 cut-off events. [2020-10-16 04:12:44,945 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 04:12:44,946 INFO L80 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 451 events. 98/451 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2989 event pairs, 46 based on Foata normal form. 210/612 useless extension candidates. Maximal degree in co-relation 735. Up to 120 conditions per place. [2020-10-16 04:12:44,948 INFO L132 encePairwiseOnDemand]: 164/180 looper letters, 1 selfloop transitions, 16 changer transitions 0/46 dead transitions. [2020-10-16 04:12:44,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 46 transitions, 152 flow [2020-10-16 04:12:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2020-10-16 04:12:44,951 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907407407407408 [2020-10-16 04:12:44,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2020-10-16 04:12:44,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2020-10-16 04:12:44,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:44,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2020-10-16 04:12:44,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:44,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:44,954 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:44,954 INFO L185 Difference]: Start difference. First operand has 53 places, 46 transitions, 118 flow. Second operand 3 states and 373 transitions. [2020-10-16 04:12:44,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 46 transitions, 152 flow [2020-10-16 04:12:44,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 46 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:44,957 INFO L241 Difference]: Finished difference. Result has 53 places, 46 transitions, 146 flow [2020-10-16 04:12:44,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=53, PETRI_TRANSITIONS=46} [2020-10-16 04:12:44,957 INFO L342 CegarLoopForPetriNet]: 54 programPoint places, -1 predicate places. [2020-10-16 04:12:44,957 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 146 flow [2020-10-16 04:12:44,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:44,958 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:44,958 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:44,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 04:12:44,958 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1886834764, now seen corresponding path program 1 times [2020-10-16 04:12:44,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:44,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502287515] [2020-10-16 04:12:44,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:44,995 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 04:12:44,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502287515] [2020-10-16 04:12:44,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:44,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:44,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263479058] [2020-10-16 04:12:44,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:12:44,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:44,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:12:44,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:12:44,999 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 180 [2020-10-16 04:12:44,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 146 flow. Second operand 4 states. [2020-10-16 04:12:44,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:44,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 180 [2020-10-16 04:12:44,999 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:45,115 INFO L129 PetriNetUnfolder]: 188/754 cut-off events. [2020-10-16 04:12:45,115 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2020-10-16 04:12:45,118 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 754 events. 188/754 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5455 event pairs, 58 based on Foata normal form. 29/690 useless extension candidates. Maximal degree in co-relation 1436. Up to 228 conditions per place. [2020-10-16 04:12:45,122 INFO L132 encePairwiseOnDemand]: 169/180 looper letters, 13 selfloop transitions, 13 changer transitions 0/59 dead transitions. [2020-10-16 04:12:45,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 59 transitions, 233 flow [2020-10-16 04:12:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:12:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:12:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 635 transitions. [2020-10-16 04:12:45,125 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7055555555555556 [2020-10-16 04:12:45,126 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 635 transitions. [2020-10-16 04:12:45,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 635 transitions. [2020-10-16 04:12:45,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:45,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 635 transitions. [2020-10-16 04:12:45,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:12:45,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:12:45,132 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:12:45,132 INFO L185 Difference]: Start difference. First operand has 53 places, 46 transitions, 146 flow. Second operand 5 states and 635 transitions. [2020-10-16 04:12:45,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 59 transitions, 233 flow [2020-10-16 04:12:45,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 04:12:45,137 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 226 flow [2020-10-16 04:12:45,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=226, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2020-10-16 04:12:45,138 INFO L342 CegarLoopForPetriNet]: 54 programPoint places, 5 predicate places. [2020-10-16 04:12:45,138 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 226 flow [2020-10-16 04:12:45,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:12:45,138 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:45,138 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:45,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 04:12:45,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:45,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:45,139 INFO L82 PathProgramCache]: Analyzing trace with hash 723500602, now seen corresponding path program 1 times [2020-10-16 04:12:45,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:45,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722581924] [2020-10-16 04:12:45,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:45,222 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 04:12:45,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722581924] [2020-10-16 04:12:45,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:45,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:12:45,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096118982] [2020-10-16 04:12:45,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:45,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:45,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:45,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:45,226 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 180 [2020-10-16 04:12:45,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 226 flow. Second operand 3 states. [2020-10-16 04:12:45,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:45,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 180 [2020-10-16 04:12:45,227 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:45,365 INFO L129 PetriNetUnfolder]: 272/978 cut-off events. [2020-10-16 04:12:45,365 INFO L130 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2020-10-16 04:12:45,369 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 978 events. 272/978 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 7503 event pairs, 84 based on Foata normal form. 0/895 useless extension candidates. Maximal degree in co-relation 1816. Up to 206 conditions per place. [2020-10-16 04:12:45,374 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 8 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2020-10-16 04:12:45,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 60 transitions, 258 flow [2020-10-16 04:12:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2020-10-16 04:12:45,377 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7759259259259259 [2020-10-16 04:12:45,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2020-10-16 04:12:45,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2020-10-16 04:12:45,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:45,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2020-10-16 04:12:45,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:45,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:45,380 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:45,380 INFO L185 Difference]: Start difference. First operand has 59 places, 56 transitions, 226 flow. Second operand 3 states and 419 transitions. [2020-10-16 04:12:45,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 60 transitions, 258 flow [2020-10-16 04:12:45,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 60 transitions, 243 flow, removed 6 selfloop flow, removed 1 redundant places. [2020-10-16 04:12:45,389 INFO L241 Difference]: Finished difference. Result has 62 places, 58 transitions, 239 flow [2020-10-16 04:12:45,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2020-10-16 04:12:45,389 INFO L342 CegarLoopForPetriNet]: 54 programPoint places, 8 predicate places. [2020-10-16 04:12:45,389 INFO L481 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 239 flow [2020-10-16 04:12:45,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:45,390 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:45,390 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:45,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 04:12:45,390 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:45,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:45,392 INFO L82 PathProgramCache]: Analyzing trace with hash 99600852, now seen corresponding path program 1 times [2020-10-16 04:12:45,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:45,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400357704] [2020-10-16 04:12:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:45,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:45,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:45,443 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:12:45,444 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:12:45,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 04:12:45,445 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 04:12:45,446 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 04:12:45,466 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,467 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,472 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,473 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,474 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,474 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,474 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,474 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,474 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,475 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,475 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,475 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,475 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,475 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,476 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,477 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,478 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,478 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,478 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,479 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,479 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,479 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,480 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,481 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,487 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,487 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,487 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,488 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,488 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,488 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,488 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,489 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,490 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,490 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,490 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,490 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,490 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,491 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,492 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,492 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,493 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,493 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,493 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,493 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,493 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,496 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:45,510 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-10-16 04:12:45,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:12:45,511 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:12:45,511 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:12:45,511 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:12:45,511 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:12:45,511 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:12:45,511 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:12:45,511 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:12:45,514 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 387 flow [2020-10-16 04:12:45,530 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-10-16 04:12:45,531 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 04:12:45,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 412 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2020-10-16 04:12:45,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 387 flow [2020-10-16 04:12:45,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 116 transitions, 259 flow [2020-10-16 04:12:45,534 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:12:45,534 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 116 transitions, 259 flow [2020-10-16 04:12:45,534 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 116 transitions, 259 flow [2020-10-16 04:12:45,534 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 116 places, 116 transitions, 259 flow [2020-10-16 04:12:45,547 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-10-16 04:12:45,548 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 04:12:45,549 INFO L80 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 425 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 143. Up to 8 conditions per place. [2020-10-16 04:12:45,556 INFO L117 LiptonReduction]: Number of co-enabled transitions 7796 [2020-10-16 04:12:47,417 INFO L132 LiptonReduction]: Checked pairs total: 28848 [2020-10-16 04:12:47,417 INFO L134 LiptonReduction]: Total number of compositions: 73 [2020-10-16 04:12:47,417 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1883 [2020-10-16 04:12:47,420 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2020-10-16 04:12:47,421 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:47,421 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:47,421 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:47,421 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1214597113, now seen corresponding path program 1 times [2020-10-16 04:12:47,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:47,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87565990] [2020-10-16 04:12:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:47,451 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 04:12:47,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87565990] [2020-10-16 04:12:47,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:47,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:12:47,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042515754] [2020-10-16 04:12:47,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:47,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:47,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:47,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:47,455 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 235 [2020-10-16 04:12:47,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 153 flow. Second operand 3 states. [2020-10-16 04:12:47,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:47,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 235 [2020-10-16 04:12:47,456 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:48,785 INFO L129 PetriNetUnfolder]: 7650/12592 cut-off events. [2020-10-16 04:12:48,785 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 04:12:48,888 INFO L80 FinitePrefix]: Finished finitePrefix Result has 21708 conditions, 12592 events. 7650/12592 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 98521 event pairs, 1747 based on Foata normal form. 4205/13380 useless extension candidates. Maximal degree in co-relation 21696. Up to 5088 conditions per place. [2020-10-16 04:12:49,013 INFO L132 encePairwiseOnDemand]: 217/235 looper letters, 19 selfloop transitions, 13 changer transitions 0/74 dead transitions. [2020-10-16 04:12:49,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 74 transitions, 239 flow [2020-10-16 04:12:49,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2020-10-16 04:12:49,015 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7262411347517731 [2020-10-16 04:12:49,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2020-10-16 04:12:49,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2020-10-16 04:12:49,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:49,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2020-10-16 04:12:49,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:49,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:49,019 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:49,019 INFO L185 Difference]: Start difference. First operand has 67 places, 63 transitions, 153 flow. Second operand 3 states and 512 transitions. [2020-10-16 04:12:49,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 74 transitions, 239 flow [2020-10-16 04:12:49,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 74 transitions, 231 flow, removed 3 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:49,022 INFO L241 Difference]: Finished difference. Result has 67 places, 71 transitions, 239 flow [2020-10-16 04:12:49,023 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=67, PETRI_TRANSITIONS=71} [2020-10-16 04:12:49,023 INFO L342 CegarLoopForPetriNet]: 67 programPoint places, 0 predicate places. [2020-10-16 04:12:49,023 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 71 transitions, 239 flow [2020-10-16 04:12:49,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:49,023 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:49,023 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:49,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 04:12:49,024 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:49,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:49,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2097461548, now seen corresponding path program 1 times [2020-10-16 04:12:49,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:49,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077003763] [2020-10-16 04:12:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:49,046 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 04:12:49,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077003763] [2020-10-16 04:12:49,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:49,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:49,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789187867] [2020-10-16 04:12:49,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:49,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:49,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:49,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:49,049 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 235 [2020-10-16 04:12:49,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 71 transitions, 239 flow. Second operand 3 states. [2020-10-16 04:12:49,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:49,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 235 [2020-10-16 04:12:49,050 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:49,461 INFO L129 PetriNetUnfolder]: 862/2926 cut-off events. [2020-10-16 04:12:49,461 INFO L130 PetriNetUnfolder]: For 306/306 co-relation queries the response was YES. [2020-10-16 04:12:49,470 INFO L80 FinitePrefix]: Finished finitePrefix Result has 5425 conditions, 2926 events. 862/2926 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 28017 event pairs, 311 based on Foata normal form. 1880/4474 useless extension candidates. Maximal degree in co-relation 5411. Up to 798 conditions per place. [2020-10-16 04:12:49,481 INFO L132 encePairwiseOnDemand]: 215/235 looper letters, 1 selfloop transitions, 20 changer transitions 0/67 dead transitions. [2020-10-16 04:12:49,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 67 transitions, 257 flow [2020-10-16 04:12:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2020-10-16 04:12:49,483 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7078014184397163 [2020-10-16 04:12:49,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2020-10-16 04:12:49,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2020-10-16 04:12:49,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:49,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2020-10-16 04:12:49,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:49,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:49,487 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:49,487 INFO L185 Difference]: Start difference. First operand has 67 places, 71 transitions, 239 flow. Second operand 3 states and 499 transitions. [2020-10-16 04:12:49,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 67 transitions, 257 flow [2020-10-16 04:12:49,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 231 flow, removed 4 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:49,494 INFO L241 Difference]: Finished difference. Result has 67 places, 67 transitions, 229 flow [2020-10-16 04:12:49,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=67, PETRI_TRANSITIONS=67} [2020-10-16 04:12:49,495 INFO L342 CegarLoopForPetriNet]: 67 programPoint places, 0 predicate places. [2020-10-16 04:12:49,495 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 67 transitions, 229 flow [2020-10-16 04:12:49,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:49,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:49,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:49,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 04:12:49,496 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:49,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1205686431, now seen corresponding path program 1 times [2020-10-16 04:12:49,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:49,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296601624] [2020-10-16 04:12:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:49,520 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 04:12:49,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296601624] [2020-10-16 04:12:49,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:49,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:49,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879976279] [2020-10-16 04:12:49,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:12:49,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:49,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:12:49,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:12:49,523 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 235 [2020-10-16 04:12:49,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 67 transitions, 229 flow. Second operand 4 states. [2020-10-16 04:12:49,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:49,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 235 [2020-10-16 04:12:49,524 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:49,932 INFO L129 PetriNetUnfolder]: 1326/4219 cut-off events. [2020-10-16 04:12:49,932 INFO L130 PetriNetUnfolder]: For 911/911 co-relation queries the response was YES. [2020-10-16 04:12:49,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 8637 conditions, 4219 events. 1326/4219 cut-off events. For 911/911 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 41968 event pairs, 448 based on Foata normal form. 126/3782 useless extension candidates. Maximal degree in co-relation 8624. Up to 1233 conditions per place. [2020-10-16 04:12:49,968 INFO L132 encePairwiseOnDemand]: 221/235 looper letters, 24 selfloop transitions, 20 changer transitions 0/86 dead transitions. [2020-10-16 04:12:49,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 86 transitions, 385 flow [2020-10-16 04:12:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:12:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:12:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 826 transitions. [2020-10-16 04:12:49,971 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7029787234042553 [2020-10-16 04:12:49,972 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 826 transitions. [2020-10-16 04:12:49,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 826 transitions. [2020-10-16 04:12:49,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:49,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 826 transitions. [2020-10-16 04:12:49,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:12:49,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:12:49,976 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:12:49,976 INFO L185 Difference]: Start difference. First operand has 67 places, 67 transitions, 229 flow. Second operand 5 states and 826 transitions. [2020-10-16 04:12:49,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 86 transitions, 385 flow [2020-10-16 04:12:49,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 86 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 04:12:49,982 INFO L241 Difference]: Finished difference. Result has 74 places, 82 transitions, 379 flow [2020-10-16 04:12:49,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=379, PETRI_PLACES=74, PETRI_TRANSITIONS=82} [2020-10-16 04:12:49,983 INFO L342 CegarLoopForPetriNet]: 67 programPoint places, 7 predicate places. [2020-10-16 04:12:49,983 INFO L481 AbstractCegarLoop]: Abstraction has has 74 places, 82 transitions, 379 flow [2020-10-16 04:12:49,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:12:49,983 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:49,984 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:49,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 04:12:49,984 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:49,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:49,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1830412902, now seen corresponding path program 1 times [2020-10-16 04:12:49,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:49,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402146909] [2020-10-16 04:12:49,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:50,033 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 04:12:50,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402146909] [2020-10-16 04:12:50,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:50,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:12:50,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845189103] [2020-10-16 04:12:50,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:50,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:50,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:50,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:50,036 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 235 [2020-10-16 04:12:50,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 82 transitions, 379 flow. Second operand 3 states. [2020-10-16 04:12:50,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:50,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 235 [2020-10-16 04:12:50,036 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:50,589 INFO L129 PetriNetUnfolder]: 1564/4889 cut-off events. [2020-10-16 04:12:50,589 INFO L130 PetriNetUnfolder]: For 1730/1730 co-relation queries the response was YES. [2020-10-16 04:12:50,604 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9479 conditions, 4889 events. 1564/4889 cut-off events. For 1730/1730 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 50563 event pairs, 500 based on Foata normal form. 0/4460 useless extension candidates. Maximal degree in co-relation 9460. Up to 1008 conditions per place. [2020-10-16 04:12:50,622 INFO L132 encePairwiseOnDemand]: 227/235 looper letters, 12 selfloop transitions, 5 changer transitions 0/86 dead transitions. [2020-10-16 04:12:50,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 86 transitions, 415 flow [2020-10-16 04:12:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:12:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:12:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2020-10-16 04:12:50,625 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.798581560283688 [2020-10-16 04:12:50,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2020-10-16 04:12:50,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2020-10-16 04:12:50,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:50,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2020-10-16 04:12:50,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:12:50,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:12:50,628 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:12:50,628 INFO L185 Difference]: Start difference. First operand has 74 places, 82 transitions, 379 flow. Second operand 3 states and 563 transitions. [2020-10-16 04:12:50,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 86 transitions, 415 flow [2020-10-16 04:12:50,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 86 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:50,647 INFO L241 Difference]: Finished difference. Result has 76 places, 83 transitions, 401 flow [2020-10-16 04:12:50,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=76, PETRI_TRANSITIONS=83} [2020-10-16 04:12:50,647 INFO L342 CegarLoopForPetriNet]: 67 programPoint places, 9 predicate places. [2020-10-16 04:12:50,647 INFO L481 AbstractCegarLoop]: Abstraction has has 76 places, 83 transitions, 401 flow [2020-10-16 04:12:50,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:12:50,648 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:50,648 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:50,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 04:12:50,648 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:50,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:50,648 INFO L82 PathProgramCache]: Analyzing trace with hash 699744573, now seen corresponding path program 1 times [2020-10-16 04:12:50,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:50,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132256034] [2020-10-16 04:12:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:50,678 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 04:12:50,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132256034] [2020-10-16 04:12:50,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:50,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:12:50,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213806123] [2020-10-16 04:12:50,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:12:50,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:50,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:12:50,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:12:50,681 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 235 [2020-10-16 04:12:50,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 83 transitions, 401 flow. Second operand 4 states. [2020-10-16 04:12:50,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:50,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 235 [2020-10-16 04:12:50,682 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:12:51,207 INFO L129 PetriNetUnfolder]: 1321/4484 cut-off events. [2020-10-16 04:12:51,207 INFO L130 PetriNetUnfolder]: For 3835/3835 co-relation queries the response was YES. [2020-10-16 04:12:51,215 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9115 conditions, 4484 events. 1321/4484 cut-off events. For 3835/3835 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 46851 event pairs, 516 based on Foata normal form. 159/4406 useless extension candidates. Maximal degree in co-relation 9093. Up to 1035 conditions per place. [2020-10-16 04:12:51,228 INFO L132 encePairwiseOnDemand]: 222/235 looper letters, 19 selfloop transitions, 16 changer transitions 0/80 dead transitions. [2020-10-16 04:12:51,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 427 flow [2020-10-16 04:12:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:12:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:12:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 819 transitions. [2020-10-16 04:12:51,232 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6970212765957446 [2020-10-16 04:12:51,232 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 819 transitions. [2020-10-16 04:12:51,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 819 transitions. [2020-10-16 04:12:51,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:12:51,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 819 transitions. [2020-10-16 04:12:51,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:12:51,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:12:51,240 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:12:51,240 INFO L185 Difference]: Start difference. First operand has 76 places, 83 transitions, 401 flow. Second operand 5 states and 819 transitions. [2020-10-16 04:12:51,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 427 flow [2020-10-16 04:12:51,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 80 transitions, 417 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:12:51,253 INFO L241 Difference]: Finished difference. Result has 78 places, 79 transitions, 390 flow [2020-10-16 04:12:51,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=390, PETRI_PLACES=78, PETRI_TRANSITIONS=79} [2020-10-16 04:12:51,253 INFO L342 CegarLoopForPetriNet]: 67 programPoint places, 11 predicate places. [2020-10-16 04:12:51,253 INFO L481 AbstractCegarLoop]: Abstraction has has 78 places, 79 transitions, 390 flow [2020-10-16 04:12:51,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:12:51,253 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:51,254 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:51,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 04:12:51,254 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1485064363, now seen corresponding path program 1 times [2020-10-16 04:12:51,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:51,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946333379] [2020-10-16 04:12:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:51,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:12:51,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:12:51,287 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:12:51,287 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:12:51,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 04:12:51,288 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 04:12:51,288 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 04:12:51,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,319 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,320 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,321 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,322 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,323 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,324 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,325 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,326 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,327 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,336 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,336 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,336 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,336 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,336 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,337 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,337 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,338 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,338 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,338 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,338 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,338 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,339 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,339 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,340 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,341 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,342 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,351 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,351 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,352 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,352 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,352 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,352 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,353 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,353 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,353 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,353 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,353 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,354 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,356 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,356 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,357 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,357 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,357 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,357 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:12:51,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-16 04:12:51,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:12:51,358 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:12:51,359 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:12:51,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:12:51,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:12:51,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:12:51,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:12:51,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:12:51,364 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 209 places, 207 transitions, 510 flow [2020-10-16 04:12:51,380 INFO L129 PetriNetUnfolder]: 20/174 cut-off events. [2020-10-16 04:12:51,380 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 04:12:51,382 INFO L80 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 174 events. 20/174 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 550 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 196. Up to 10 conditions per place. [2020-10-16 04:12:51,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 207 transitions, 510 flow [2020-10-16 04:12:51,384 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 139 transitions, 316 flow [2020-10-16 04:12:51,384 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:12:51,384 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 139 transitions, 316 flow [2020-10-16 04:12:51,384 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 139 transitions, 316 flow [2020-10-16 04:12:51,384 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 139 transitions, 316 flow [2020-10-16 04:12:51,399 INFO L129 PetriNetUnfolder]: 20/174 cut-off events. [2020-10-16 04:12:51,399 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 04:12:51,401 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 174 events. 20/174 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 536 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 181. Up to 10 conditions per place. [2020-10-16 04:12:51,412 INFO L117 LiptonReduction]: Number of co-enabled transitions 12192 [2020-10-16 04:12:53,538 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-10-16 04:12:54,300 INFO L132 LiptonReduction]: Checked pairs total: 42074 [2020-10-16 04:12:54,301 INFO L134 LiptonReduction]: Total number of compositions: 88 [2020-10-16 04:12:54,301 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2917 [2020-10-16 04:12:54,303 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2020-10-16 04:12:54,303 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:12:54,303 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:12:54,304 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:12:54,304 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:12:54,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:12:54,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1890522483, now seen corresponding path program 1 times [2020-10-16 04:12:54,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:12:54,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233478051] [2020-10-16 04:12:54,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:12:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:12:54,348 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 04:12:54,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233478051] [2020-10-16 04:12:54,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:12:54,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:12:54,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983313247] [2020-10-16 04:12:54,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:12:54,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:12:54,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:12:54,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:12:54,351 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 295 [2020-10-16 04:12:54,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 80 transitions, 198 flow. Second operand 3 states. [2020-10-16 04:12:54,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:12:54,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 295 [2020-10-16 04:12:54,352 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:04,702 INFO L129 PetriNetUnfolder]: 52277/77739 cut-off events. [2020-10-16 04:13:04,702 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 04:13:05,252 INFO L80 FinitePrefix]: Finished finitePrefix Result has 137489 conditions, 77739 events. 52277/77739 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5542. Compared 644925 event pairs, 12471 based on Foata normal form. 26148/82222 useless extension candidates. Maximal degree in co-relation 137476. Up to 32831 conditions per place. [2020-10-16 04:13:05,753 INFO L132 encePairwiseOnDemand]: 272/295 looper letters, 24 selfloop transitions, 16 changer transitions 0/93 dead transitions. [2020-10-16 04:13:05,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 93 transitions, 304 flow [2020-10-16 04:13:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:13:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:13:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2020-10-16 04:13:05,756 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7310734463276836 [2020-10-16 04:13:05,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 647 transitions. [2020-10-16 04:13:05,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 647 transitions. [2020-10-16 04:13:05,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:05,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 647 transitions. [2020-10-16 04:13:05,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:13:05,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:13:05,761 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:13:05,761 INFO L185 Difference]: Start difference. First operand has 82 places, 80 transitions, 198 flow. Second operand 3 states and 647 transitions. [2020-10-16 04:13:05,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 93 transitions, 304 flow [2020-10-16 04:13:05,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 93 transitions, 290 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:05,764 INFO L241 Difference]: Finished difference. Result has 82 places, 89 transitions, 298 flow [2020-10-16 04:13:05,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=82, PETRI_TRANSITIONS=89} [2020-10-16 04:13:05,764 INFO L342 CegarLoopForPetriNet]: 82 programPoint places, 0 predicate places. [2020-10-16 04:13:05,764 INFO L481 AbstractCegarLoop]: Abstraction has has 82 places, 89 transitions, 298 flow [2020-10-16 04:13:05,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:13:05,765 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:05,765 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:05,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 04:13:05,765 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:05,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:05,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1946737279, now seen corresponding path program 1 times [2020-10-16 04:13:05,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:05,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364698306] [2020-10-16 04:13:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:05,780 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 04:13:05,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364698306] [2020-10-16 04:13:05,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:05,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:13:05,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891594605] [2020-10-16 04:13:05,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:13:05,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:13:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:13:05,783 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 295 [2020-10-16 04:13:05,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 89 transitions, 298 flow. Second operand 3 states. [2020-10-16 04:13:05,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:05,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 295 [2020-10-16 04:13:05,784 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:07,340 INFO L129 PetriNetUnfolder]: 3554/11640 cut-off events. [2020-10-16 04:13:07,340 INFO L130 PetriNetUnfolder]: For 1149/1149 co-relation queries the response was YES. [2020-10-16 04:13:07,388 INFO L80 FinitePrefix]: Finished finitePrefix Result has 21369 conditions, 11640 events. 3554/11640 cut-off events. For 1149/1149 co-relation queries the response was YES. Maximal size of possible extension queue 780. Compared 139075 event pairs, 1371 based on Foata normal form. 9718/19908 useless extension candidates. Maximal degree in co-relation 21354. Up to 3147 conditions per place. [2020-10-16 04:13:07,416 INFO L132 encePairwiseOnDemand]: 268/295 looper letters, 1 selfloop transitions, 27 changer transitions 0/84 dead transitions. [2020-10-16 04:13:07,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 84 transitions, 324 flow [2020-10-16 04:13:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:13:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:13:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2020-10-16 04:13:07,419 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7073446327683616 [2020-10-16 04:13:07,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 626 transitions. [2020-10-16 04:13:07,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 626 transitions. [2020-10-16 04:13:07,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:07,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 626 transitions. [2020-10-16 04:13:07,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:13:07,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:13:07,424 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:13:07,424 INFO L185 Difference]: Start difference. First operand has 82 places, 89 transitions, 298 flow. Second operand 3 states and 626 transitions. [2020-10-16 04:13:07,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 84 transitions, 324 flow [2020-10-16 04:13:07,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 84 transitions, 292 flow, removed 5 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:07,454 INFO L241 Difference]: Finished difference. Result has 82 places, 84 transitions, 290 flow [2020-10-16 04:13:07,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2020-10-16 04:13:07,454 INFO L342 CegarLoopForPetriNet]: 82 programPoint places, 0 predicate places. [2020-10-16 04:13:07,454 INFO L481 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 290 flow [2020-10-16 04:13:07,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:13:07,455 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:07,455 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:07,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 04:13:07,455 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:07,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1051736890, now seen corresponding path program 1 times [2020-10-16 04:13:07,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:07,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155336337] [2020-10-16 04:13:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:07,479 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 04:13:07,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155336337] [2020-10-16 04:13:07,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:07,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:13:07,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180938269] [2020-10-16 04:13:07,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:13:07,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:07,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:13:07,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:13:07,482 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 295 [2020-10-16 04:13:07,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 290 flow. Second operand 4 states. [2020-10-16 04:13:07,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:07,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 295 [2020-10-16 04:13:07,483 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:09,079 INFO L129 PetriNetUnfolder]: 5564/16940 cut-off events. [2020-10-16 04:13:09,079 INFO L130 PetriNetUnfolder]: For 3554/3554 co-relation queries the response was YES. [2020-10-16 04:13:09,146 INFO L80 FinitePrefix]: Finished finitePrefix Result has 34346 conditions, 16940 events. 5564/16940 cut-off events. For 3554/3554 co-relation queries the response was YES. Maximal size of possible extension queue 1141. Compared 206903 event pairs, 2045 based on Foata normal form. 552/15056 useless extension candidates. Maximal degree in co-relation 34332. Up to 4935 conditions per place. [2020-10-16 04:13:09,186 INFO L132 encePairwiseOnDemand]: 278/295 looper letters, 30 selfloop transitions, 25 changer transitions 0/108 dead transitions. [2020-10-16 04:13:09,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 108 transitions, 486 flow [2020-10-16 04:13:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:13:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:13:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1041 transitions. [2020-10-16 04:13:09,189 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7057627118644068 [2020-10-16 04:13:09,189 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1041 transitions. [2020-10-16 04:13:09,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1041 transitions. [2020-10-16 04:13:09,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:09,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1041 transitions. [2020-10-16 04:13:09,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:13:09,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:13:09,195 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:13:09,195 INFO L185 Difference]: Start difference. First operand has 82 places, 84 transitions, 290 flow. Second operand 5 states and 1041 transitions. [2020-10-16 04:13:09,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 108 transitions, 486 flow [2020-10-16 04:13:09,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 108 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 04:13:09,210 INFO L241 Difference]: Finished difference. Result has 89 places, 103 transitions, 477 flow [2020-10-16 04:13:09,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=477, PETRI_PLACES=89, PETRI_TRANSITIONS=103} [2020-10-16 04:13:09,210 INFO L342 CegarLoopForPetriNet]: 82 programPoint places, 7 predicate places. [2020-10-16 04:13:09,210 INFO L481 AbstractCegarLoop]: Abstraction has has 89 places, 103 transitions, 477 flow [2020-10-16 04:13:09,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:13:09,211 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:09,211 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:09,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 04:13:09,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:09,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:09,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1601464585, now seen corresponding path program 1 times [2020-10-16 04:13:09,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:09,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175716040] [2020-10-16 04:13:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:09,233 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 04:13:09,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175716040] [2020-10-16 04:13:09,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:09,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:13:09,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674877926] [2020-10-16 04:13:09,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:13:09,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:13:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:13:09,236 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 295 [2020-10-16 04:13:09,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 103 transitions, 477 flow. Second operand 3 states. [2020-10-16 04:13:09,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:09,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 295 [2020-10-16 04:13:09,237 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:10,670 INFO L129 PetriNetUnfolder]: 6514/19674 cut-off events. [2020-10-16 04:13:10,670 INFO L130 PetriNetUnfolder]: For 6631/6631 co-relation queries the response was YES. [2020-10-16 04:13:10,792 INFO L80 FinitePrefix]: Finished finitePrefix Result has 37757 conditions, 19674 events. 6514/19674 cut-off events. For 6631/6631 co-relation queries the response was YES. Maximal size of possible extension queue 1302. Compared 249076 event pairs, 2276 based on Foata normal form. 0/17726 useless extension candidates. Maximal degree in co-relation 37737. Up to 4193 conditions per place. [2020-10-16 04:13:10,851 INFO L132 encePairwiseOnDemand]: 285/295 looper letters, 16 selfloop transitions, 6 changer transitions 0/109 dead transitions. [2020-10-16 04:13:10,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 527 flow [2020-10-16 04:13:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:13:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:13:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2020-10-16 04:13:10,853 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7954802259887006 [2020-10-16 04:13:10,853 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 704 transitions. [2020-10-16 04:13:10,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 704 transitions. [2020-10-16 04:13:10,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:10,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 704 transitions. [2020-10-16 04:13:10,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:13:10,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:13:10,857 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:13:10,857 INFO L185 Difference]: Start difference. First operand has 89 places, 103 transitions, 477 flow. Second operand 3 states and 704 transitions. [2020-10-16 04:13:10,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 109 transitions, 527 flow [2020-10-16 04:13:10,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 109 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:10,957 INFO L241 Difference]: Finished difference. Result has 91 places, 105 transitions, 509 flow [2020-10-16 04:13:10,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=91, PETRI_TRANSITIONS=105} [2020-10-16 04:13:10,957 INFO L342 CegarLoopForPetriNet]: 82 programPoint places, 9 predicate places. [2020-10-16 04:13:10,957 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 105 transitions, 509 flow [2020-10-16 04:13:10,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:13:10,957 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:10,957 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:10,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 04:13:10,958 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:10,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1300603720, now seen corresponding path program 1 times [2020-10-16 04:13:10,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:10,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127714044] [2020-10-16 04:13:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:10,991 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 04:13:10,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127714044] [2020-10-16 04:13:10,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:10,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:13:10,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116132988] [2020-10-16 04:13:10,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:13:10,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:10,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:13:10,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:13:10,995 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 295 [2020-10-16 04:13:10,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 105 transitions, 509 flow. Second operand 4 states. [2020-10-16 04:13:10,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:10,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 295 [2020-10-16 04:13:10,996 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:12,499 INFO L129 PetriNetUnfolder]: 5542/18184 cut-off events. [2020-10-16 04:13:12,499 INFO L130 PetriNetUnfolder]: For 14945/14945 co-relation queries the response was YES. [2020-10-16 04:13:12,628 INFO L80 FinitePrefix]: Finished finitePrefix Result has 36591 conditions, 18184 events. 5542/18184 cut-off events. For 14945/14945 co-relation queries the response was YES. Maximal size of possible extension queue 1225. Compared 234543 event pairs, 2362 based on Foata normal form. 564/17600 useless extension candidates. Maximal degree in co-relation 36568. Up to 4301 conditions per place. [2020-10-16 04:13:12,682 INFO L132 encePairwiseOnDemand]: 279/295 looper letters, 24 selfloop transitions, 20 changer transitions 0/101 dead transitions. [2020-10-16 04:13:12,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 539 flow [2020-10-16 04:13:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:13:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:13:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1033 transitions. [2020-10-16 04:13:12,685 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7003389830508474 [2020-10-16 04:13:12,686 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1033 transitions. [2020-10-16 04:13:12,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1033 transitions. [2020-10-16 04:13:12,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:12,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1033 transitions. [2020-10-16 04:13:12,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:13:12,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:13:12,692 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:13:12,692 INFO L185 Difference]: Start difference. First operand has 91 places, 105 transitions, 509 flow. Second operand 5 states and 1033 transitions. [2020-10-16 04:13:12,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 539 flow [2020-10-16 04:13:12,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 527 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:12,775 INFO L241 Difference]: Finished difference. Result has 93 places, 100 transitions, 495 flow [2020-10-16 04:13:12,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=495, PETRI_PLACES=93, PETRI_TRANSITIONS=100} [2020-10-16 04:13:12,776 INFO L342 CegarLoopForPetriNet]: 82 programPoint places, 11 predicate places. [2020-10-16 04:13:12,776 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 100 transitions, 495 flow [2020-10-16 04:13:12,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:13:12,776 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:12,777 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:12,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 04:13:12,777 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:12,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:12,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1049951394, now seen corresponding path program 1 times [2020-10-16 04:13:12,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:12,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032366240] [2020-10-16 04:13:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:13:12,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:13:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:13:12,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:13:12,810 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:13:12,810 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:13:12,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 04:13:12,811 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 04:13:12,812 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 04:13:12,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,836 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,837 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,838 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,839 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,840 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,841 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,842 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,843 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,844 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,845 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,846 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,847 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,848 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,855 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,855 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,855 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,856 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,856 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,856 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,856 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,860 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,861 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,864 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,865 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,866 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,867 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,868 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,869 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,881 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,884 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,884 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,884 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,884 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,884 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,886 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,887 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,887 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,888 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:13:12,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-16 04:13:12,889 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:13:12,889 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:13:12,889 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:13:12,889 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:13:12,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:13:12,890 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:13:12,890 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:13:12,890 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:13:12,892 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 254 places, 252 transitions, 639 flow [2020-10-16 04:13:12,914 INFO L129 PetriNetUnfolder]: 24/206 cut-off events. [2020-10-16 04:13:12,914 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 04:13:12,917 INFO L80 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 206 events. 24/206 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 696 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 235. Up to 12 conditions per place. [2020-10-16 04:13:12,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 252 transitions, 639 flow [2020-10-16 04:13:12,920 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 162 transitions, 375 flow [2020-10-16 04:13:12,920 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:13:12,920 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 162 transitions, 375 flow [2020-10-16 04:13:12,920 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 162 transitions, 375 flow [2020-10-16 04:13:12,920 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 160 places, 162 transitions, 375 flow [2020-10-16 04:13:12,942 INFO L129 PetriNetUnfolder]: 24/206 cut-off events. [2020-10-16 04:13:12,942 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 04:13:12,945 INFO L80 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 206 events. 24/206 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 693 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 220. Up to 12 conditions per place. [2020-10-16 04:13:12,962 INFO L117 LiptonReduction]: Number of co-enabled transitions 17600 [2020-10-16 04:13:15,357 INFO L132 LiptonReduction]: Checked pairs total: 60506 [2020-10-16 04:13:15,357 INFO L134 LiptonReduction]: Total number of compositions: 94 [2020-10-16 04:13:15,358 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2438 [2020-10-16 04:13:15,361 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2020-10-16 04:13:15,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:13:15,361 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:15,361 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:15,362 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:15,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1767866410, now seen corresponding path program 1 times [2020-10-16 04:13:15,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:15,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233001341] [2020-10-16 04:13:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:15,395 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 04:13:15,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233001341] [2020-10-16 04:13:15,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:15,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:13:15,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312959118] [2020-10-16 04:13:15,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:13:15,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:15,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:13:15,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:13:15,398 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 346 [2020-10-16 04:13:15,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 237 flow. Second operand 3 states. [2020-10-16 04:13:15,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:15,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 346 [2020-10-16 04:13:15,399 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:48,395 INFO L129 PetriNetUnfolder]: 148592/218010 cut-off events. [2020-10-16 04:13:48,395 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 04:13:50,458 INFO L80 FinitePrefix]: Finished finitePrefix Result has 379254 conditions, 218010 events. 148592/218010 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 12567. Compared 1942541 event pairs, 84783 based on Foata normal form. 43634/197878 useless extension candidates. Maximal degree in co-relation 379240. Up to 148924 conditions per place. [2020-10-16 04:13:53,212 INFO L132 encePairwiseOnDemand]: 334/346 looper letters, 39 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2020-10-16 04:13:53,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 105 transitions, 343 flow [2020-10-16 04:13:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:13:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:13:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2020-10-16 04:13:53,215 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7408477842003853 [2020-10-16 04:13:53,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 769 transitions. [2020-10-16 04:13:53,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 769 transitions. [2020-10-16 04:13:53,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:53,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 769 transitions. [2020-10-16 04:13:53,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:13:53,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:13:53,221 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:13:53,221 INFO L185 Difference]: Start difference. First operand has 97 places, 93 transitions, 237 flow. Second operand 3 states and 769 transitions. [2020-10-16 04:13:53,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 105 transitions, 343 flow [2020-10-16 04:13:53,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 105 transitions, 321 flow, removed 10 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:53,228 INFO L241 Difference]: Finished difference. Result has 96 places, 89 transitions, 225 flow [2020-10-16 04:13:53,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2020-10-16 04:13:53,228 INFO L342 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2020-10-16 04:13:53,228 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 225 flow [2020-10-16 04:13:53,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:13:53,229 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:53,229 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:53,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 04:13:53,229 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:53,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:53,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1638426935, now seen corresponding path program 1 times [2020-10-16 04:13:53,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:53,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253421011] [2020-10-16 04:13:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:53,247 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 04:13:53,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253421011] [2020-10-16 04:13:53,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:53,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:13:53,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132385646] [2020-10-16 04:13:53,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:13:53,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:53,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:13:53,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:13:53,250 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 346 [2020-10-16 04:13:53,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 225 flow. Second operand 3 states. [2020-10-16 04:13:53,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:53,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 346 [2020-10-16 04:13:53,251 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:54,878 INFO L129 PetriNetUnfolder]: 6146/23793 cut-off events. [2020-10-16 04:13:54,878 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 04:13:55,021 INFO L80 FinitePrefix]: Finished finitePrefix Result has 37004 conditions, 23793 events. 6146/23793 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 1344. Compared 331347 event pairs, 3235 based on Foata normal form. 19989/41465 useless extension candidates. Maximal degree in co-relation 36989. Up to 5823 conditions per place. [2020-10-16 04:13:55,087 INFO L132 encePairwiseOnDemand]: 315/346 looper letters, 1 selfloop transitions, 31 changer transitions 0/89 dead transitions. [2020-10-16 04:13:55,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 89 transitions, 289 flow [2020-10-16 04:13:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:13:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:13:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2020-10-16 04:13:55,090 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7292870905587668 [2020-10-16 04:13:55,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2020-10-16 04:13:55,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2020-10-16 04:13:55,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:55,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2020-10-16 04:13:55,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:13:55,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:13:55,093 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:13:55,093 INFO L185 Difference]: Start difference. First operand has 96 places, 89 transitions, 225 flow. Second operand 3 states and 757 transitions. [2020-10-16 04:13:55,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 89 transitions, 289 flow [2020-10-16 04:13:55,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 89 transitions, 285 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:13:55,153 INFO L241 Difference]: Finished difference. Result has 96 places, 89 transitions, 283 flow [2020-10-16 04:13:55,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2020-10-16 04:13:55,154 INFO L342 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2020-10-16 04:13:55,154 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 283 flow [2020-10-16 04:13:55,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:13:55,154 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:55,154 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:55,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 04:13:55,154 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:55,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1025973492, now seen corresponding path program 1 times [2020-10-16 04:13:55,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:55,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806018510] [2020-10-16 04:13:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:55,182 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 04:13:55,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806018510] [2020-10-16 04:13:55,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:55,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:13:55,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614247335] [2020-10-16 04:13:55,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:13:55,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:55,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:13:55,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:13:55,187 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 346 [2020-10-16 04:13:55,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 283 flow. Second operand 4 states. [2020-10-16 04:13:55,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:55,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 346 [2020-10-16 04:13:55,189 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:13:59,235 INFO L129 PetriNetUnfolder]: 13775/44542 cut-off events. [2020-10-16 04:13:59,235 INFO L130 PetriNetUnfolder]: For 2756/2756 co-relation queries the response was YES. [2020-10-16 04:13:59,512 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82558 conditions, 44542 events. 13775/44542 cut-off events. For 2756/2756 co-relation queries the response was YES. Maximal size of possible extension queue 2387. Compared 627970 event pairs, 5914 based on Foata normal form. 1295/40702 useless extension candidates. Maximal degree in co-relation 82544. Up to 11775 conditions per place. [2020-10-16 04:13:59,643 INFO L132 encePairwiseOnDemand]: 326/346 looper letters, 28 selfloop transitions, 25 changer transitions 0/117 dead transitions. [2020-10-16 04:13:59,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 117 transitions, 466 flow [2020-10-16 04:13:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:13:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:13:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1250 transitions. [2020-10-16 04:13:59,647 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7225433526011561 [2020-10-16 04:13:59,647 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1250 transitions. [2020-10-16 04:13:59,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1250 transitions. [2020-10-16 04:13:59,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:13:59,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1250 transitions. [2020-10-16 04:13:59,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:13:59,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:13:59,653 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:13:59,653 INFO L185 Difference]: Start difference. First operand has 96 places, 89 transitions, 283 flow. Second operand 5 states and 1250 transitions. [2020-10-16 04:13:59,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 117 transitions, 466 flow [2020-10-16 04:13:59,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 117 transitions, 435 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 04:13:59,684 INFO L241 Difference]: Finished difference. Result has 102 places, 111 transitions, 450 flow [2020-10-16 04:13:59,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=450, PETRI_PLACES=102, PETRI_TRANSITIONS=111} [2020-10-16 04:13:59,685 INFO L342 CegarLoopForPetriNet]: 97 programPoint places, 5 predicate places. [2020-10-16 04:13:59,685 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 111 transitions, 450 flow [2020-10-16 04:13:59,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:13:59,685 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:13:59,685 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:13:59,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 04:13:59,685 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:13:59,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:13:59,686 INFO L82 PathProgramCache]: Analyzing trace with hash -51253632, now seen corresponding path program 1 times [2020-10-16 04:13:59,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:13:59,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909858919] [2020-10-16 04:13:59,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:13:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:13:59,743 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 04:13:59,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909858919] [2020-10-16 04:13:59,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:13:59,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:13:59,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260501214] [2020-10-16 04:13:59,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:13:59,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:13:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:13:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:13:59,747 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 346 [2020-10-16 04:13:59,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 111 transitions, 450 flow. Second operand 3 states. [2020-10-16 04:13:59,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:13:59,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 346 [2020-10-16 04:13:59,748 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:14:08,083 INFO L129 PetriNetUnfolder]: 20225/59102 cut-off events. [2020-10-16 04:14:08,084 INFO L130 PetriNetUnfolder]: For 9052/9052 co-relation queries the response was YES. [2020-10-16 04:14:08,428 INFO L80 FinitePrefix]: Finished finitePrefix Result has 108523 conditions, 59102 events. 20225/59102 cut-off events. For 9052/9052 co-relation queries the response was YES. Maximal size of possible extension queue 3168. Compared 839213 event pairs, 8001 based on Foata normal form. 0/55101 useless extension candidates. Maximal degree in co-relation 108504. Up to 13511 conditions per place. [2020-10-16 04:14:08,595 INFO L132 encePairwiseOnDemand]: 334/346 looper letters, 20 selfloop transitions, 7 changer transitions 0/121 dead transitions. [2020-10-16 04:14:08,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 121 transitions, 524 flow [2020-10-16 04:14:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:14:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:14:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2020-10-16 04:14:08,598 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8198458574181118 [2020-10-16 04:14:08,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 851 transitions. [2020-10-16 04:14:08,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 851 transitions. [2020-10-16 04:14:08,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:14:08,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 851 transitions. [2020-10-16 04:14:08,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:14:08,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:14:08,602 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:14:08,602 INFO L185 Difference]: Start difference. First operand has 102 places, 111 transitions, 450 flow. Second operand 3 states and 851 transitions. [2020-10-16 04:14:08,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 121 transitions, 524 flow [2020-10-16 04:14:09,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 121 transitions, 491 flow, removed 15 selfloop flow, removed 1 redundant places. [2020-10-16 04:14:09,239 INFO L241 Difference]: Finished difference. Result has 105 places, 116 transitions, 475 flow [2020-10-16 04:14:09,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=105, PETRI_TRANSITIONS=116} [2020-10-16 04:14:09,239 INFO L342 CegarLoopForPetriNet]: 97 programPoint places, 8 predicate places. [2020-10-16 04:14:09,239 INFO L481 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 475 flow [2020-10-16 04:14:09,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:14:09,239 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:14:09,239 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:14:09,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 04:14:09,240 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:14:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:14:09,240 INFO L82 PathProgramCache]: Analyzing trace with hash -863274005, now seen corresponding path program 1 times [2020-10-16 04:14:09,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:14:09,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489321174] [2020-10-16 04:14:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:14:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:14:09,284 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 04:14:09,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489321174] [2020-10-16 04:14:09,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:14:09,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:14:09,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101643736] [2020-10-16 04:14:09,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:14:09,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:14:09,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:14:09,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:14:09,290 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 346 [2020-10-16 04:14:09,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 475 flow. Second operand 4 states. [2020-10-16 04:14:09,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:14:09,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 346 [2020-10-16 04:14:09,291 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:14:15,361 INFO L129 PetriNetUnfolder]: 21195/65735 cut-off events. [2020-10-16 04:14:15,361 INFO L130 PetriNetUnfolder]: For 28905/28905 co-relation queries the response was YES. [2020-10-16 04:14:15,841 INFO L80 FinitePrefix]: Finished finitePrefix Result has 125179 conditions, 65735 events. 21195/65735 cut-off events. For 28905/28905 co-relation queries the response was YES. Maximal size of possible extension queue 3557. Compared 972249 event pairs, 9562 based on Foata normal form. 1699/65036 useless extension candidates. Maximal degree in co-relation 125156. Up to 15987 conditions per place. [2020-10-16 04:14:16,033 INFO L132 encePairwiseOnDemand]: 327/346 looper letters, 29 selfloop transitions, 24 changer transitions 0/122 dead transitions. [2020-10-16 04:14:16,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 122 transitions, 581 flow [2020-10-16 04:14:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:14:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:14:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1242 transitions. [2020-10-16 04:14:16,036 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7179190751445087 [2020-10-16 04:14:16,036 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1242 transitions. [2020-10-16 04:14:16,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1242 transitions. [2020-10-16 04:14:16,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:14:16,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1242 transitions. [2020-10-16 04:14:16,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:14:16,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:14:16,048 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:14:16,048 INFO L185 Difference]: Start difference. First operand has 105 places, 116 transitions, 475 flow. Second operand 5 states and 1242 transitions. [2020-10-16 04:14:16,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 122 transitions, 581 flow [2020-10-16 04:14:16,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 556 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 04:14:16,311 INFO L241 Difference]: Finished difference. Result has 106 places, 121 transitions, 545 flow [2020-10-16 04:14:16,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=545, PETRI_PLACES=106, PETRI_TRANSITIONS=121} [2020-10-16 04:14:16,311 INFO L342 CegarLoopForPetriNet]: 97 programPoint places, 9 predicate places. [2020-10-16 04:14:16,311 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 121 transitions, 545 flow [2020-10-16 04:14:16,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:14:16,312 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:14:16,312 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:14:16,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-16 04:14:16,312 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:14:16,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:14:16,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1067190599, now seen corresponding path program 1 times [2020-10-16 04:14:16,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:14:16,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761484414] [2020-10-16 04:14:16,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:14:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:14:16,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:14:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:14:16,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:14:16,341 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:14:16,342 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:14:16,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 04:14:16,356 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:14:16,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:14:16,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:14:16,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:14:16,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:14:16,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:14:16,360 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:14:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:14:16,360 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:14:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:14:16,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:14:16 BasicIcfg [2020-10-16 04:14:16,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 04:14:16,391 INFO L168 Benchmark]: Toolchain (without parser) took 97147.29 ms. Allocated memory was 250.1 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 205.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,392 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 04:14:16,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.44 ms. Allocated memory was 250.1 MB in the beginning and 310.9 MB in the end (delta: 60.8 MB). Free memory was 205.2 MB in the beginning and 266.5 MB in the end (delta: -61.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 310.9 MB. Free memory was 266.5 MB in the beginning and 263.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,394 INFO L168 Benchmark]: Boogie Preprocessor took 32.43 ms. Allocated memory is still 310.9 MB. Free memory was 263.8 MB in the beginning and 261.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,394 INFO L168 Benchmark]: RCFGBuilder took 706.16 ms. Allocated memory is still 310.9 MB. Free memory was 261.3 MB in the beginning and 211.2 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,395 INFO L168 Benchmark]: TraceAbstraction took 95716.84 ms. Allocated memory was 310.9 MB in the beginning and 4.3 GB in the end (delta: 4.0 GB). Free memory was 211.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 14.2 GB. [2020-10-16 04:14:16,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 633.44 ms. Allocated memory was 250.1 MB in the beginning and 310.9 MB in the end (delta: 60.8 MB). Free memory was 205.2 MB in the beginning and 266.5 MB in the end (delta: -61.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 310.9 MB. Free memory was 266.5 MB in the beginning and 263.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 32.43 ms. Allocated memory is still 310.9 MB. Free memory was 263.8 MB in the beginning and 261.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 706.16 ms. Allocated memory is still 310.9 MB. Free memory was 261.3 MB in the beginning and 211.2 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 95716.84 ms. Allocated memory was 310.9 MB in the beginning and 4.3 GB in the end (delta: 4.0 GB). Free memory was 211.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1155 VarBasedMoverChecksPositive, 77 VarBasedMoverChecksNegative, 26 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 148 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 72 PlacesBefore, 38 PlacesAfterwards, 70 TransitionsBefore, 32 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 50 TotalNumberOfCompositions, 5375 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3000 VarBasedMoverChecksPositive, 224 VarBasedMoverChecksNegative, 129 SemBasedMoverChecksPositive, 95 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 722 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 94 PlacesBefore, 54 PlacesAfterwards, 93 TransitionsBefore, 51 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 14464 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4655 VarBasedMoverChecksPositive, 302 VarBasedMoverChecksNegative, 185 SemBasedMoverChecksPositive, 117 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 997 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 116 PlacesBefore, 67 PlacesAfterwards, 116 TransitionsBefore, 63 TransitionsAfterwards, 7796 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 73 TotalNumberOfCompositions, 28848 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7550 VarBasedMoverChecksPositive, 623 VarBasedMoverChecksNegative, 428 SemBasedMoverChecksPositive, 195 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 1603 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 138 PlacesBefore, 82 PlacesAfterwards, 139 TransitionsBefore, 80 TransitionsAfterwards, 12192 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 3 ChoiceCompositions, 88 TotalNumberOfCompositions, 42074 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8830 VarBasedMoverChecksPositive, 455 VarBasedMoverChecksNegative, 265 SemBasedMoverChecksPositive, 190 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 1310 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 160 PlacesBefore, 97 PlacesAfterwards, 162 TransitionsBefore, 93 TransitionsAfterwards, 17600 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 6 ChoiceCompositions, 94 TotalNumberOfCompositions, 60506 MoverChecksTotal - CounterExampleResult [Line: 705]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L678] 0 int g0 = 0,g1 = 0,x = 0; [L679] 0 _Bool lock = 0; [L680] 0 int mutex = 0; [L724] 0 pthread_t t; [L725] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L717] CALL 1 __VERIFIER_atomic_acquire() [L683] CALL 1 assume_abort_if_not(mutex==0) [L4] COND FALSE 1 !(!cond) [L683] RET 1 assume_abort_if_not(mutex==0) [L684] 1 mutex = 1 [L717] RET 1 __VERIFIER_atomic_acquire() [L718] 1 g0=1 VAL [g0=1, g1=0, lock=0, mutex=1, x=0] [L718] 1 g1=1 VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L726] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L727] COND TRUE 0 1 [L729] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L719] CALL 1 __VERIFIER_atomic_release() [L688] CALL 1 assume_abort_if_not(mutex==1) [L4] COND TRUE 1 !cond [L688] RET 1 assume_abort_if_not(mutex==1) [L689] 1 mutex = 0 [L719] RET 1 __VERIFIER_atomic_release() [L693] CALL 3 __VERIFIER_atomic_acquire() [L683] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L683] RET 3 assume_abort_if_not(mutex==0) [L684] 3 mutex = 1 [L693] RET 3 __VERIFIER_atomic_acquire() [L694] COND TRUE 3 __VERIFIER_nondet_int() [L696] 3 g0=0 VAL [g0=0, g1=1, lock=0, mutex=1, x=0] [L697] 3 g1=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L698] 3 lock=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L720] 1 lock=1 [L721] 1 return 0; [L700] CALL 3 __VERIFIER_atomic_release() [L688] CALL 3 assume_abort_if_not(mutex==1) [L4] COND FALSE 3 !(!cond) [L688] RET 3 assume_abort_if_not(mutex==1) [L689] 3 mutex = 0 [L700] RET 3 __VERIFIER_atomic_release() [L701] CALL 3 __VERIFIER_atomic_acquire() [L683] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L683] RET 3 assume_abort_if_not(mutex==0) [L684] 3 mutex = 1 [L701] RET 3 __VERIFIER_atomic_acquire() [L702] COND TRUE 3 \read(lock) [L704] 3 x=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L705] COND TRUE 3 !(g0==1 && g1==1) [L705] 3 __VERIFIER_error() VAL [g0=0, g1=0, lock=1, mutex=1, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 2 error locations. Started 5 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 95.2s, OverallIterations: 26, TraceHistogramMax: 5, AutomataDifference: 83.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.3s, HoareTripleCheckerStatistics: 309 SDtfs, 132 SDslu, 17 SDs, 0 SdLazy, 528 SolverSat, 300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=5, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 7448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! Received shutdown request...