/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:35:15,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:35:15,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:35:15,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:35:15,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:35:15,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:35:15,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:35:15,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:35:15,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:35:15,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:35:15,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:35:15,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:35:15,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:35:15,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:35:15,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:35:15,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:35:15,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:35:15,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:35:15,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:35:15,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:35:15,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:35:15,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:35:15,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:35:15,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:35:15,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 23:35:15,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:35:15,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:35:15,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:35:15,177 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-NoLbe.epf [2022-01-18 23:35:15,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:35:15,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:35:15,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:35:15,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:35:15,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:35:15,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:35:15,207 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:35:15,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:35:15,207 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:35:15,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:35:15,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:35:15,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:35:15,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:35:15,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:35:15,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:35:15,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:35:15,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:35:15,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:35:15,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:35:15,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:35:15,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:35:15,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:35:15,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:35:15,405 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:35:15,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2022-01-18 23:35:15,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980468339/db1b669f3f374ad58fe3a48cb6c7999d/FLAGc71bd0af5 [2022-01-18 23:35:15,934 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:35:15,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2022-01-18 23:35:15,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980468339/db1b669f3f374ad58fe3a48cb6c7999d/FLAGc71bd0af5 [2022-01-18 23:35:16,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980468339/db1b669f3f374ad58fe3a48cb6c7999d [2022-01-18 23:35:16,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:35:16,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:35:16,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:35:16,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:35:16,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:35:16,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1c8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16, skipping insertion in model container [2022-01-18 23:35:16,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:35:16,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:35:16,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2022-01-18 23:35:16,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:35:16,797 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:35:16,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2022-01-18 23:35:16,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:35:16,891 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:35:16,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16 WrapperNode [2022-01-18 23:35:16,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:35:16,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:35:16,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:35:16,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:35:16,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,944 INFO L137 Inliner]: procedures = 270, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-01-18 23:35:16,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:35:16,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:35:16,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:35:16,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:35:16,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:35:16,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:35:16,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:35:16,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:35:16,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (1/1) ... [2022-01-18 23:35:16,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:35:17,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:17,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 23:35:17,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 23:35:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:35:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:35:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:35:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:35:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:35:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:35:17,055 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:35:17,185 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:35:17,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:35:17,424 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:35:17,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:35:17,430 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-01-18 23:35:17,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:35:17 BoogieIcfgContainer [2022-01-18 23:35:17,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:35:17,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:35:17,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:35:17,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:35:17,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:35:16" (1/3) ... [2022-01-18 23:35:17,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176a67ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:35:17, skipping insertion in model container [2022-01-18 23:35:17,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:35:16" (2/3) ... [2022-01-18 23:35:17,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176a67ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:35:17, skipping insertion in model container [2022-01-18 23:35:17,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:35:17" (3/3) ... [2022-01-18 23:35:17,447 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2022-01-18 23:35:17,450 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:35:17,451 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:35:17,451 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:35:17,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,504 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:17,523 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 23:35:17,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:17,577 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:17,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:17,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 127 transitions, 262 flow [2022-01-18 23:35:17,643 INFO L129 PetriNetUnfolder]: 23/172 cut-off events. [2022-01-18 23:35:17,644 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:35:17,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 172 events. 23/172 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 383 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2022-01-18 23:35:17,649 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 127 transitions, 262 flow [2022-01-18 23:35:17,659 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 122 transitions, 249 flow [2022-01-18 23:35:17,693 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2022-01-18 23:35:17,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:17,694 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:17,694 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:17,695 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:17,699 INFO L85 PathProgramCache]: Analyzing trace with hash 706734294, now seen corresponding path program 1 times [2022-01-18 23:35:17,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:17,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029768746] [2022-01-18 23:35:17,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:17,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:17,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:17,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029768746] [2022-01-18 23:35:17,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029768746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:17,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:17,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:17,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942853359] [2022-01-18 23:35:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:17,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:17,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:17,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:17,924 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2022-01-18 23:35:17,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 122 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:17,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:17,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2022-01-18 23:35:17,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:17,975 INFO L129 PetriNetUnfolder]: 3/114 cut-off events. [2022-01-18 23:35:17,975 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:17,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 142 event pairs, 0 based on Foata normal form. 22/130 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2022-01-18 23:35:17,980 INFO L132 encePairwiseOnDemand]: 113/127 looper letters, 8 selfloop transitions, 2 changer transitions 19/112 dead transitions. [2022-01-18 23:35:17,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 112 transitions, 249 flow [2022-01-18 23:35:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2022-01-18 23:35:17,991 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910761154855643 [2022-01-18 23:35:17,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2022-01-18 23:35:17,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2022-01-18 23:35:17,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:17,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2022-01-18 23:35:18,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,011 INFO L186 Difference]: Start difference. First operand has 111 places, 122 transitions, 249 flow. Second operand 3 states and 347 transitions. [2022-01-18 23:35:18,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 112 transitions, 249 flow [2022-01-18 23:35:18,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 112 transitions, 249 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:18,017 INFO L242 Difference]: Finished difference. Result has 113 places, 91 transitions, 195 flow [2022-01-18 23:35:18,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=113, PETRI_TRANSITIONS=91} [2022-01-18 23:35:18,021 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 2 predicate places. [2022-01-18 23:35:18,021 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 91 transitions, 195 flow [2022-01-18 23:35:18,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,022 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:18,022 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:18,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:35:18,022 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:18,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1070178912, now seen corresponding path program 1 times [2022-01-18 23:35:18,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:18,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147534787] [2022-01-18 23:35:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:18,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:35:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:18,097 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:35:18,097 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:35:18,098 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:35:18,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:35:18,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 23:35:18,103 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-18 23:35:18,104 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:35:18,104 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 23:35:18,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,116 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,116 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,128 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:18,131 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 23:35:18,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:18,134 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:18,134 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:18,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 157 transitions, 332 flow [2022-01-18 23:35:18,169 INFO L129 PetriNetUnfolder]: 40/272 cut-off events. [2022-01-18 23:35:18,169 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-18 23:35:18,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 272 events. 40/272 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 768 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 174. Up to 9 conditions per place. [2022-01-18 23:35:18,171 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 157 transitions, 332 flow [2022-01-18 23:35:18,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 157 transitions, 332 flow [2022-01-18 23:35:18,185 INFO L129 PetriNetUnfolder]: 9/110 cut-off events. [2022-01-18 23:35:18,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:18,185 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:18,185 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:18,185 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:18,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:18,186 INFO L85 PathProgramCache]: Analyzing trace with hash -38755054, now seen corresponding path program 1 times [2022-01-18 23:35:18,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:18,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148294130] [2022-01-18 23:35:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:18,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:18,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148294130] [2022-01-18 23:35:18,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148294130] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:18,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:18,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:35:18,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094914849] [2022-01-18 23:35:18,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:18,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:35:18,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:18,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:35:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:35:18,243 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 157 [2022-01-18 23:35:18,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 157 transitions, 332 flow. Second operand has 2 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:18,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 157 [2022-01-18 23:35:18,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:18,292 INFO L129 PetriNetUnfolder]: 12/241 cut-off events. [2022-01-18 23:35:18,293 INFO L130 PetriNetUnfolder]: For 21/27 co-relation queries the response was YES. [2022-01-18 23:35:18,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 241 events. 12/241 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 676 event pairs, 0 based on Foata normal form. 42/264 useless extension candidates. Maximal degree in co-relation 158. Up to 7 conditions per place. [2022-01-18 23:35:18,295 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 2 selfloop transitions, 0 changer transitions 25/139 dead transitions. [2022-01-18 23:35:18,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 139 transitions, 304 flow [2022-01-18 23:35:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:35:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:35:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 291 transitions. [2022-01-18 23:35:18,300 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9267515923566879 [2022-01-18 23:35:18,300 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 291 transitions. [2022-01-18 23:35:18,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 291 transitions. [2022-01-18 23:35:18,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:18,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 291 transitions. [2022-01-18 23:35:18,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,304 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,304 INFO L186 Difference]: Start difference. First operand has 140 places, 157 transitions, 332 flow. Second operand 2 states and 291 transitions. [2022-01-18 23:35:18,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 139 transitions, 304 flow [2022-01-18 23:35:18,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 139 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:18,308 INFO L242 Difference]: Finished difference. Result has 140 places, 114 transitions, 240 flow [2022-01-18 23:35:18,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=240, PETRI_PLACES=140, PETRI_TRANSITIONS=114} [2022-01-18 23:35:18,309 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 0 predicate places. [2022-01-18 23:35:18,309 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 114 transitions, 240 flow [2022-01-18 23:35:18,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:18,310 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:18,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 23:35:18,310 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:18,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash -332158061, now seen corresponding path program 1 times [2022-01-18 23:35:18,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:18,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182198759] [2022-01-18 23:35:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:18,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:18,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182198759] [2022-01-18 23:35:18,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182198759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:18,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:18,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:18,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269016587] [2022-01-18 23:35:18,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:18,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:18,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:18,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:18,366 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 157 [2022-01-18 23:35:18,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 114 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:18,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 157 [2022-01-18 23:35:18,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:18,400 INFO L129 PetriNetUnfolder]: 2/143 cut-off events. [2022-01-18 23:35:18,400 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 23:35:18,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 143 events. 2/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 233 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 166. Up to 12 conditions per place. [2022-01-18 23:35:18,401 INFO L132 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2022-01-18 23:35:18,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 118 transitions, 274 flow [2022-01-18 23:35:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2022-01-18 23:35:18,405 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8450106157112527 [2022-01-18 23:35:18,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2022-01-18 23:35:18,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2022-01-18 23:35:18,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:18,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2022-01-18 23:35:18,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,409 INFO L186 Difference]: Start difference. First operand has 140 places, 114 transitions, 240 flow. Second operand 3 states and 398 transitions. [2022-01-18 23:35:18,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 118 transitions, 274 flow [2022-01-18 23:35:18,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 118 transitions, 272 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:18,415 INFO L242 Difference]: Finished difference. Result has 122 places, 115 transitions, 250 flow [2022-01-18 23:35:18,415 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=122, PETRI_TRANSITIONS=115} [2022-01-18 23:35:18,417 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, -18 predicate places. [2022-01-18 23:35:18,417 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 115 transitions, 250 flow [2022-01-18 23:35:18,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,418 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:18,418 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:18,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 23:35:18,418 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:18,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2039958608, now seen corresponding path program 1 times [2022-01-18 23:35:18,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:18,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235358028] [2022-01-18 23:35:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:18,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:18,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235358028] [2022-01-18 23:35:18,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235358028] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:18,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021117714] [2022-01-18 23:35:18,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:18,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:18,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 23:35:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:18,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-18 23:35:18,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 23:35:18,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 23:35:18,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021117714] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:18,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 23:35:18,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-18 23:35:18,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553690187] [2022-01-18 23:35:18,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:18,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:18,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:35:18,707 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2022-01-18 23:35:18,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:18,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2022-01-18 23:35:18,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:18,728 INFO L129 PetriNetUnfolder]: 0/145 cut-off events. [2022-01-18 23:35:18,728 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-01-18 23:35:18,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 145 events. 0/145 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 0 based on Foata normal form. 2/145 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-01-18 23:35:18,728 INFO L132 encePairwiseOnDemand]: 155/157 looper letters, 6 selfloop transitions, 0 changer transitions 1/115 dead transitions. [2022-01-18 23:35:18,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 115 transitions, 264 flow [2022-01-18 23:35:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2022-01-18 23:35:18,731 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8259023354564756 [2022-01-18 23:35:18,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions. [2022-01-18 23:35:18,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions. [2022-01-18 23:35:18,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:18,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions. [2022-01-18 23:35:18,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,734 INFO L186 Difference]: Start difference. First operand has 122 places, 115 transitions, 250 flow. Second operand 3 states and 389 transitions. [2022-01-18 23:35:18,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 115 transitions, 264 flow [2022-01-18 23:35:18,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 115 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:18,739 INFO L242 Difference]: Finished difference. Result has 124 places, 114 transitions, 248 flow [2022-01-18 23:35:18,739 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=124, PETRI_TRANSITIONS=114} [2022-01-18 23:35:18,740 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, -16 predicate places. [2022-01-18 23:35:18,740 INFO L470 AbstractCegarLoop]: Abstraction has has 124 places, 114 transitions, 248 flow [2022-01-18 23:35:18,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:18,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:18,744 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:18,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:18,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:18,969 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:18,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:18,970 INFO L85 PathProgramCache]: Analyzing trace with hash -313844173, now seen corresponding path program 1 times [2022-01-18 23:35:18,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:18,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452509976] [2022-01-18 23:35:18,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:18,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:19,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:35:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:19,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:35:19,032 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:35:19,032 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:35:19,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:35:19,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 23:35:19,033 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 23:35:19,033 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:35:19,033 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-01-18 23:35:19,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:19,068 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 23:35:19,070 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:19,070 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:19,071 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:19,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 187 transitions, 404 flow [2022-01-18 23:35:19,114 INFO L129 PetriNetUnfolder]: 62/405 cut-off events. [2022-01-18 23:35:19,115 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-01-18 23:35:19,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 405 events. 62/405 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1321 event pairs, 1 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 280. Up to 16 conditions per place. [2022-01-18 23:35:19,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 187 transitions, 404 flow [2022-01-18 23:35:19,122 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 187 transitions, 404 flow [2022-01-18 23:35:19,130 INFO L129 PetriNetUnfolder]: 9/111 cut-off events. [2022-01-18 23:35:19,130 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:19,130 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:19,130 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:19,131 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:19,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:19,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1057310035, now seen corresponding path program 1 times [2022-01-18 23:35:19,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:19,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393203888] [2022-01-18 23:35:19,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:19,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:19,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393203888] [2022-01-18 23:35:19,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393203888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:19,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:19,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:35:19,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771426461] [2022-01-18 23:35:19,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:19,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:35:19,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:35:19,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:35:19,157 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 187 [2022-01-18 23:35:19,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 187 transitions, 404 flow. Second operand has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:19,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 187 [2022-01-18 23:35:19,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:19,208 INFO L129 PetriNetUnfolder]: 20/359 cut-off events. [2022-01-18 23:35:19,209 INFO L130 PetriNetUnfolder]: For 50/58 co-relation queries the response was YES. [2022-01-18 23:35:19,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 359 events. 20/359 cut-off events. For 50/58 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1199 event pairs, 1 based on Foata normal form. 106/437 useless extension candidates. Maximal degree in co-relation 255. Up to 16 conditions per place. [2022-01-18 23:35:19,211 INFO L132 encePairwiseOnDemand]: 164/187 looper letters, 3 selfloop transitions, 0 changer transitions 26/163 dead transitions. [2022-01-18 23:35:19,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 368 flow [2022-01-18 23:35:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:35:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:35:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 343 transitions. [2022-01-18 23:35:19,213 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9171122994652406 [2022-01-18 23:35:19,213 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 343 transitions. [2022-01-18 23:35:19,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 343 transitions. [2022-01-18 23:35:19,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:19,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 343 transitions. [2022-01-18 23:35:19,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,215 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,216 INFO L186 Difference]: Start difference. First operand has 165 places, 187 transitions, 404 flow. Second operand 2 states and 343 transitions. [2022-01-18 23:35:19,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 368 flow [2022-01-18 23:35:19,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 368 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:19,219 INFO L242 Difference]: Finished difference. Result has 165 places, 137 transitions, 295 flow [2022-01-18 23:35:19,219 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=295, PETRI_PLACES=165, PETRI_TRANSITIONS=137} [2022-01-18 23:35:19,220 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 0 predicate places. [2022-01-18 23:35:19,220 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 137 transitions, 295 flow [2022-01-18 23:35:19,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,220 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:19,221 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:19,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 23:35:19,221 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:19,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1350713042, now seen corresponding path program 1 times [2022-01-18 23:35:19,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:19,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540484494] [2022-01-18 23:35:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:19,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:19,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540484494] [2022-01-18 23:35:19,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540484494] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:19,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:19,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:19,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395777015] [2022-01-18 23:35:19,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:19,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:19,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:19,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:19,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:19,250 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 187 [2022-01-18 23:35:19,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:19,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 187 [2022-01-18 23:35:19,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:19,298 INFO L129 PetriNetUnfolder]: 3/191 cut-off events. [2022-01-18 23:35:19,298 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-01-18 23:35:19,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 191 events. 3/191 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 401 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 225. Up to 18 conditions per place. [2022-01-18 23:35:19,300 INFO L132 encePairwiseOnDemand]: 184/187 looper letters, 12 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2022-01-18 23:35:19,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 331 flow [2022-01-18 23:35:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2022-01-18 23:35:19,301 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8288770053475936 [2022-01-18 23:35:19,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2022-01-18 23:35:19,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2022-01-18 23:35:19,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:19,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2022-01-18 23:35:19,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,305 INFO L186 Difference]: Start difference. First operand has 165 places, 137 transitions, 295 flow. Second operand 3 states and 465 transitions. [2022-01-18 23:35:19,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 331 flow [2022-01-18 23:35:19,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 141 transitions, 325 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:19,308 INFO L242 Difference]: Finished difference. Result has 147 places, 138 transitions, 301 flow [2022-01-18 23:35:19,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=147, PETRI_TRANSITIONS=138} [2022-01-18 23:35:19,309 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -18 predicate places. [2022-01-18 23:35:19,309 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 138 transitions, 301 flow [2022-01-18 23:35:19,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,310 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:19,310 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:19,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 23:35:19,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:19,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:19,311 INFO L85 PathProgramCache]: Analyzing trace with hash 523178535, now seen corresponding path program 1 times [2022-01-18 23:35:19,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:19,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911217540] [2022-01-18 23:35:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:19,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:19,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911217540] [2022-01-18 23:35:19,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911217540] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:19,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539141049] [2022-01-18 23:35:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:19,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:19,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:19,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 23:35:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:19,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-18 23:35:19,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 23:35:19,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 23:35:19,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539141049] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:19,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 23:35:19,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-18 23:35:19,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458911920] [2022-01-18 23:35:19,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:19,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:19,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:19,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:19,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:35:19,611 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 187 [2022-01-18 23:35:19,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 138 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:19,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 187 [2022-01-18 23:35:19,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:19,647 INFO L129 PetriNetUnfolder]: 0/194 cut-off events. [2022-01-18 23:35:19,647 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-01-18 23:35:19,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 194 events. 0/194 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 435 event pairs, 0 based on Foata normal form. 3/194 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-01-18 23:35:19,648 INFO L132 encePairwiseOnDemand]: 185/187 looper letters, 7 selfloop transitions, 0 changer transitions 1/138 dead transitions. [2022-01-18 23:35:19,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 138 transitions, 317 flow [2022-01-18 23:35:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2022-01-18 23:35:19,650 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8128342245989305 [2022-01-18 23:35:19,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2022-01-18 23:35:19,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2022-01-18 23:35:19,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:19,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2022-01-18 23:35:19,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,654 INFO L186 Difference]: Start difference. First operand has 147 places, 138 transitions, 301 flow. Second operand 3 states and 456 transitions. [2022-01-18 23:35:19,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 138 transitions, 317 flow [2022-01-18 23:35:19,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 138 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:19,657 INFO L242 Difference]: Finished difference. Result has 149 places, 137 transitions, 299 flow [2022-01-18 23:35:19,657 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=149, PETRI_TRANSITIONS=137} [2022-01-18 23:35:19,658 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -16 predicate places. [2022-01-18 23:35:19,658 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 137 transitions, 299 flow [2022-01-18 23:35:19,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:19,658 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:19,659 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:19,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:19,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-01-18 23:35:19,881 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash -878662958, now seen corresponding path program 1 times [2022-01-18 23:35:19,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:19,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914750730] [2022-01-18 23:35:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:19,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:19,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914750730] [2022-01-18 23:35:19,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914750730] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:19,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396778100] [2022-01-18 23:35:19,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:19,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:19,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:19,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:19,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 23:35:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:20,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:35:20,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:20,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:35:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:20,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396778100] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:35:20,291 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:35:20,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:35:20,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63170093] [2022-01-18 23:35:20,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:35:20,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:35:20,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:20,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:35:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:35:20,295 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 187 [2022-01-18 23:35:20,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 137 transitions, 299 flow. Second operand has 10 states, 10 states have (on average 151.3) internal successors, (1513), 10 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:20,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 187 [2022-01-18 23:35:20,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:20,384 INFO L129 PetriNetUnfolder]: 0/158 cut-off events. [2022-01-18 23:35:20,384 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-18 23:35:20,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 158 events. 0/158 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 211 event pairs, 0 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-01-18 23:35:20,385 INFO L132 encePairwiseOnDemand]: 181/187 looper letters, 13 selfloop transitions, 9 changer transitions 0/147 dead transitions. [2022-01-18 23:35:20,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 365 flow [2022-01-18 23:35:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:35:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:35:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1365 transitions. [2022-01-18 23:35:20,388 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8110516934046346 [2022-01-18 23:35:20,388 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1365 transitions. [2022-01-18 23:35:20,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1365 transitions. [2022-01-18 23:35:20,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:20,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1365 transitions. [2022-01-18 23:35:20,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.66666666666666) internal successors, (1365), 9 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 187.0) internal successors, (1870), 10 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,395 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 187.0) internal successors, (1870), 10 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,395 INFO L186 Difference]: Start difference. First operand has 149 places, 137 transitions, 299 flow. Second operand 9 states and 1365 transitions. [2022-01-18 23:35:20,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 365 flow [2022-01-18 23:35:20,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 147 transitions, 363 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:20,399 INFO L242 Difference]: Finished difference. Result has 158 places, 143 transitions, 347 flow [2022-01-18 23:35:20,399 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=347, PETRI_PLACES=158, PETRI_TRANSITIONS=143} [2022-01-18 23:35:20,401 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -7 predicate places. [2022-01-18 23:35:20,401 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 347 flow [2022-01-18 23:35:20,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 151.3) internal successors, (1513), 10 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,402 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:20,402 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:20,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:20,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:20,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:20,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash -734741859, now seen corresponding path program 1 times [2022-01-18 23:35:20,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:20,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464913461] [2022-01-18 23:35:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:20,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:20,640 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:35:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:20,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:35:20,680 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:35:20,680 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:35:20,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:35:20,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 23:35:20,681 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-18 23:35:20,681 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:35:20,681 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:20,713 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 23:35:20,714 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:20,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:20,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:20,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 217 transitions, 478 flow [2022-01-18 23:35:20,773 INFO L129 PetriNetUnfolder]: 96/606 cut-off events. [2022-01-18 23:35:20,773 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-01-18 23:35:20,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 606 events. 96/606 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2257 event pairs, 6 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 425. Up to 32 conditions per place. [2022-01-18 23:35:20,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 217 transitions, 478 flow [2022-01-18 23:35:20,783 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 217 transitions, 478 flow [2022-01-18 23:35:20,790 INFO L129 PetriNetUnfolder]: 9/114 cut-off events. [2022-01-18 23:35:20,790 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:20,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:20,790 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:20,790 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:20,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2055527642, now seen corresponding path program 1 times [2022-01-18 23:35:20,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:20,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997776830] [2022-01-18 23:35:20,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:20,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:20,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:20,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997776830] [2022-01-18 23:35:20,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997776830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:20,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:20,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:35:20,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345962157] [2022-01-18 23:35:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:20,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:35:20,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:20,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:35:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:35:20,813 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 217 [2022-01-18 23:35:20,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 217 transitions, 478 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:20,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 217 [2022-01-18 23:35:20,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:20,881 INFO L129 PetriNetUnfolder]: 36/541 cut-off events. [2022-01-18 23:35:20,882 INFO L130 PetriNetUnfolder]: For 129/151 co-relation queries the response was YES. [2022-01-18 23:35:20,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 541 events. 36/541 cut-off events. For 129/151 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2142 event pairs, 6 based on Foata normal form. 252/752 useless extension candidates. Maximal degree in co-relation 394. Up to 37 conditions per place. [2022-01-18 23:35:20,885 INFO L132 encePairwiseOnDemand]: 188/217 looper letters, 4 selfloop transitions, 0 changer transitions 27/187 dead transitions. [2022-01-18 23:35:20,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 187 transitions, 434 flow [2022-01-18 23:35:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:35:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:35:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2022-01-18 23:35:20,887 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9101382488479263 [2022-01-18 23:35:20,887 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 395 transitions. [2022-01-18 23:35:20,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 395 transitions. [2022-01-18 23:35:20,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:20,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 395 transitions. [2022-01-18 23:35:20,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 197.5) internal successors, (395), 2 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,889 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,889 INFO L186 Difference]: Start difference. First operand has 190 places, 217 transitions, 478 flow. Second operand 2 states and 395 transitions. [2022-01-18 23:35:20,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 187 transitions, 434 flow [2022-01-18 23:35:20,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:20,892 INFO L242 Difference]: Finished difference. Result has 190 places, 160 transitions, 352 flow [2022-01-18 23:35:20,893 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=352, PETRI_PLACES=190, PETRI_TRANSITIONS=160} [2022-01-18 23:35:20,893 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, 0 predicate places. [2022-01-18 23:35:20,893 INFO L470 AbstractCegarLoop]: Abstraction has has 190 places, 160 transitions, 352 flow [2022-01-18 23:35:20,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,894 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:20,894 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:20,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 23:35:20,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1946036647, now seen corresponding path program 1 times [2022-01-18 23:35:20,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:20,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942991038] [2022-01-18 23:35:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:20,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:20,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:20,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942991038] [2022-01-18 23:35:20,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942991038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:20,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:20,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:20,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400754931] [2022-01-18 23:35:20,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:20,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:20,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:20,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:20,915 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 217 [2022-01-18 23:35:20,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 160 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:20,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 217 [2022-01-18 23:35:20,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:20,952 INFO L129 PetriNetUnfolder]: 4/239 cut-off events. [2022-01-18 23:35:20,952 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-01-18 23:35:20,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 239 events. 4/239 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 572 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 285. Up to 24 conditions per place. [2022-01-18 23:35:20,954 INFO L132 encePairwiseOnDemand]: 214/217 looper letters, 13 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-01-18 23:35:20,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 164 transitions, 390 flow [2022-01-18 23:35:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-01-18 23:35:20,956 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8172043010752689 [2022-01-18 23:35:20,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2022-01-18 23:35:20,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2022-01-18 23:35:20,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:20,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2022-01-18 23:35:20,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,959 INFO L186 Difference]: Start difference. First operand has 190 places, 160 transitions, 352 flow. Second operand 3 states and 532 transitions. [2022-01-18 23:35:20,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 164 transitions, 390 flow [2022-01-18 23:35:20,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 164 transitions, 378 flow, removed 6 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:20,961 INFO L242 Difference]: Finished difference. Result has 172 places, 161 transitions, 352 flow [2022-01-18 23:35:20,962 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=172, PETRI_TRANSITIONS=161} [2022-01-18 23:35:20,962 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -18 predicate places. [2022-01-18 23:35:20,962 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 161 transitions, 352 flow [2022-01-18 23:35:20,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:20,963 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:20,963 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:20,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 23:35:20,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash 787898396, now seen corresponding path program 1 times [2022-01-18 23:35:20,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:20,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693808287] [2022-01-18 23:35:20,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:20,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:21,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:21,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693808287] [2022-01-18 23:35:21,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693808287] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:21,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466234346] [2022-01-18 23:35:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:21,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:21,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:21,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 23:35:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:21,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-18 23:35:21,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 23:35:21,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 23:35:21,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466234346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:21,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 23:35:21,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-18 23:35:21,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446799703] [2022-01-18 23:35:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:21,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:21,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:21,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:21,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:35:21,172 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 217 [2022-01-18 23:35:21,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 161 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:21,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 217 [2022-01-18 23:35:21,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:21,206 INFO L129 PetriNetUnfolder]: 0/243 cut-off events. [2022-01-18 23:35:21,206 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-01-18 23:35:21,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 243 events. 0/243 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 621 event pairs, 0 based on Foata normal form. 4/243 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2022-01-18 23:35:21,207 INFO L132 encePairwiseOnDemand]: 215/217 looper letters, 8 selfloop transitions, 0 changer transitions 1/161 dead transitions. [2022-01-18 23:35:21,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 161 transitions, 370 flow [2022-01-18 23:35:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2022-01-18 23:35:21,209 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8033794162826421 [2022-01-18 23:35:21,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2022-01-18 23:35:21,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2022-01-18 23:35:21,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:21,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2022-01-18 23:35:21,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,212 INFO L186 Difference]: Start difference. First operand has 172 places, 161 transitions, 352 flow. Second operand 3 states and 523 transitions. [2022-01-18 23:35:21,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 161 transitions, 370 flow [2022-01-18 23:35:21,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 161 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:21,215 INFO L242 Difference]: Finished difference. Result has 174 places, 160 transitions, 350 flow [2022-01-18 23:35:21,215 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=160} [2022-01-18 23:35:21,215 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -16 predicate places. [2022-01-18 23:35:21,215 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 160 transitions, 350 flow [2022-01-18 23:35:21,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,216 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:21,216 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:21,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:21,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:21,431 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:21,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:21,432 INFO L85 PathProgramCache]: Analyzing trace with hash 114059943, now seen corresponding path program 1 times [2022-01-18 23:35:21,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:21,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433225026] [2022-01-18 23:35:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:21,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:21,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:21,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433225026] [2022-01-18 23:35:21,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433225026] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:21,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288594319] [2022-01-18 23:35:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:21,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:21,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:21,464 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:21,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 23:35:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:21,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:35:21,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:21,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:35:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:21,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288594319] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:35:21,754 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:35:21,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:35:21,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081175725] [2022-01-18 23:35:21,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:35:21,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:35:21,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:21,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:35:21,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:35:21,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 217 [2022-01-18 23:35:21,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 160 transitions, 350 flow. Second operand has 10 states, 10 states have (on average 173.3) internal successors, (1733), 10 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:21,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 217 [2022-01-18 23:35:21,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:21,831 INFO L129 PetriNetUnfolder]: 0/205 cut-off events. [2022-01-18 23:35:21,831 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-01-18 23:35:21,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 205 events. 0/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 378 event pairs, 0 based on Foata normal form. 2/207 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2022-01-18 23:35:21,832 INFO L132 encePairwiseOnDemand]: 211/217 looper letters, 14 selfloop transitions, 9 changer transitions 0/170 dead transitions. [2022-01-18 23:35:21,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 170 transitions, 418 flow [2022-01-18 23:35:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:35:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:35:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1564 transitions. [2022-01-18 23:35:21,835 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8008192524321557 [2022-01-18 23:35:21,835 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1564 transitions. [2022-01-18 23:35:21,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1564 transitions. [2022-01-18 23:35:21,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:21,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1564 transitions. [2022-01-18 23:35:21,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 173.77777777777777) internal successors, (1564), 9 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,843 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,843 INFO L186 Difference]: Start difference. First operand has 174 places, 160 transitions, 350 flow. Second operand 9 states and 1564 transitions. [2022-01-18 23:35:21,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 170 transitions, 418 flow [2022-01-18 23:35:21,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 170 transitions, 416 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:21,850 INFO L242 Difference]: Finished difference. Result has 183 places, 166 transitions, 398 flow [2022-01-18 23:35:21,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=398, PETRI_PLACES=183, PETRI_TRANSITIONS=166} [2022-01-18 23:35:21,850 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -7 predicate places. [2022-01-18 23:35:21,851 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 166 transitions, 398 flow [2022-01-18 23:35:21,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 173.3) internal successors, (1733), 10 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:21,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:21,852 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:21,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:22,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-18 23:35:22,066 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1833944158, now seen corresponding path program 1 times [2022-01-18 23:35:22,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:22,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018484647] [2022-01-18 23:35:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:22,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:22,084 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:35:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:22,111 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:35:22,111 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:35:22,111 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:35:22,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:35:22,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 23:35:22,112 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-18 23:35:22,112 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:35:22,112 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,144 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:22,145 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 23:35:22,147 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:22,147 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:22,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:22,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 215 places, 247 transitions, 554 flow [2022-01-18 23:35:22,251 INFO L129 PetriNetUnfolder]: 158/947 cut-off events. [2022-01-18 23:35:22,251 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-01-18 23:35:22,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 947 events. 158/947 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4161 event pairs, 23 based on Foata normal form. 0/799 useless extension candidates. Maximal degree in co-relation 651. Up to 80 conditions per place. [2022-01-18 23:35:22,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 247 transitions, 554 flow [2022-01-18 23:35:22,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 247 transitions, 554 flow [2022-01-18 23:35:22,278 INFO L129 PetriNetUnfolder]: 9/108 cut-off events. [2022-01-18 23:35:22,279 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:22,279 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:22,279 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:22,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1261559421, now seen corresponding path program 1 times [2022-01-18 23:35:22,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:22,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425300129] [2022-01-18 23:35:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:22,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:22,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:22,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425300129] [2022-01-18 23:35:22,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425300129] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:22,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:22,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:35:22,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056929063] [2022-01-18 23:35:22,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:22,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:35:22,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:22,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:35:22,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:35:22,294 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2022-01-18 23:35:22,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 247 transitions, 554 flow. Second operand has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:22,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2022-01-18 23:35:22,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:22,418 INFO L129 PetriNetUnfolder]: 72/855 cut-off events. [2022-01-18 23:35:22,418 INFO L130 PetriNetUnfolder]: For 287/303 co-relation queries the response was YES. [2022-01-18 23:35:22,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 855 events. 72/855 cut-off events. For 287/303 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4084 event pairs, 23 based on Foata normal form. 580/1373 useless extension candidates. Maximal degree in co-relation 622. Up to 86 conditions per place. [2022-01-18 23:35:22,426 INFO L132 encePairwiseOnDemand]: 212/247 looper letters, 5 selfloop transitions, 0 changer transitions 28/211 dead transitions. [2022-01-18 23:35:22,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 211 transitions, 502 flow [2022-01-18 23:35:22,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:35:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:35:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2022-01-18 23:35:22,428 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9048582995951417 [2022-01-18 23:35:22,428 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 447 transitions. [2022-01-18 23:35:22,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 447 transitions. [2022-01-18 23:35:22,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:22,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 447 transitions. [2022-01-18 23:35:22,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,430 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,430 INFO L186 Difference]: Start difference. First operand has 215 places, 247 transitions, 554 flow. Second operand 2 states and 447 transitions. [2022-01-18 23:35:22,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 211 transitions, 502 flow [2022-01-18 23:35:22,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 211 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:22,434 INFO L242 Difference]: Finished difference. Result has 215 places, 183 transitions, 411 flow [2022-01-18 23:35:22,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=411, PETRI_PLACES=215, PETRI_TRANSITIONS=183} [2022-01-18 23:35:22,435 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, 0 predicate places. [2022-01-18 23:35:22,435 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 183 transitions, 411 flow [2022-01-18 23:35:22,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,435 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:22,435 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:22,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 23:35:22,436 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash 968156414, now seen corresponding path program 1 times [2022-01-18 23:35:22,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:22,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813660017] [2022-01-18 23:35:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:22,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:22,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:22,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813660017] [2022-01-18 23:35:22,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813660017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:22,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:22,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:22,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084025434] [2022-01-18 23:35:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:22,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:22,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:22,455 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 247 [2022-01-18 23:35:22,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 183 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:22,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 247 [2022-01-18 23:35:22,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:22,501 INFO L129 PetriNetUnfolder]: 5/287 cut-off events. [2022-01-18 23:35:22,501 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-01-18 23:35:22,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 287 events. 5/287 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 745 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 346. Up to 30 conditions per place. [2022-01-18 23:35:22,503 INFO L132 encePairwiseOnDemand]: 244/247 looper letters, 14 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-01-18 23:35:22,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 187 transitions, 451 flow [2022-01-18 23:35:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2022-01-18 23:35:22,505 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8083670715249662 [2022-01-18 23:35:22,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2022-01-18 23:35:22,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2022-01-18 23:35:22,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:22,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2022-01-18 23:35:22,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,535 INFO L186 Difference]: Start difference. First operand has 215 places, 183 transitions, 411 flow. Second operand 3 states and 599 transitions. [2022-01-18 23:35:22,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 187 transitions, 451 flow [2022-01-18 23:35:22,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 431 flow, removed 10 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:22,538 INFO L242 Difference]: Finished difference. Result has 197 places, 184 transitions, 403 flow [2022-01-18 23:35:22,538 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=197, PETRI_TRANSITIONS=184} [2022-01-18 23:35:22,538 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -18 predicate places. [2022-01-18 23:35:22,538 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 184 transitions, 403 flow [2022-01-18 23:35:22,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,539 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:22,539 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:22,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 23:35:22,539 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:22,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:22,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1460849105, now seen corresponding path program 1 times [2022-01-18 23:35:22,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:22,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544029711] [2022-01-18 23:35:22,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:22,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:22,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:22,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544029711] [2022-01-18 23:35:22,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544029711] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:22,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221359905] [2022-01-18 23:35:22,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:22,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:22,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:22,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:22,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 23:35:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:22,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-18 23:35:22,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 23:35:22,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 23:35:22,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221359905] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:22,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 23:35:22,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-18 23:35:22,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830351977] [2022-01-18 23:35:22,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:22,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:22,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:22,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:22,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:35:22,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2022-01-18 23:35:22,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:22,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2022-01-18 23:35:22,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:22,784 INFO L129 PetriNetUnfolder]: 0/292 cut-off events. [2022-01-18 23:35:22,784 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-01-18 23:35:22,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 292 events. 0/292 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 807 event pairs, 0 based on Foata normal form. 5/292 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2022-01-18 23:35:22,785 INFO L132 encePairwiseOnDemand]: 245/247 looper letters, 9 selfloop transitions, 0 changer transitions 1/184 dead transitions. [2022-01-18 23:35:22,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 184 transitions, 423 flow [2022-01-18 23:35:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2022-01-18 23:35:22,786 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.796221322537112 [2022-01-18 23:35:22,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions. [2022-01-18 23:35:22,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions. [2022-01-18 23:35:22,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:22,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions. [2022-01-18 23:35:22,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,790 INFO L186 Difference]: Start difference. First operand has 197 places, 184 transitions, 403 flow. Second operand 3 states and 590 transitions. [2022-01-18 23:35:22,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 184 transitions, 423 flow [2022-01-18 23:35:22,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 184 transitions, 421 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:22,793 INFO L242 Difference]: Finished difference. Result has 199 places, 183 transitions, 401 flow [2022-01-18 23:35:22,793 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=199, PETRI_TRANSITIONS=183} [2022-01-18 23:35:22,793 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -16 predicate places. [2022-01-18 23:35:22,794 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 183 transitions, 401 flow [2022-01-18 23:35:22,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:22,794 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:22,794 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:22,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:23,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:23,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:23,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:23,009 INFO L85 PathProgramCache]: Analyzing trace with hash -563730726, now seen corresponding path program 1 times [2022-01-18 23:35:23,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:23,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92852120] [2022-01-18 23:35:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:23,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:23,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:23,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:23,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92852120] [2022-01-18 23:35:23,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92852120] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:23,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6614196] [2022-01-18 23:35:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:23,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:23,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:23,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:23,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 23:35:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:35:23,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:23,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:35:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:23,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6614196] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:35:23,314 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:35:23,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:35:23,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684680744] [2022-01-18 23:35:23,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:35:23,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:35:23,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:23,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:35:23,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:35:23,317 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2022-01-18 23:35:23,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 183 transitions, 401 flow. Second operand has 10 states, 10 states have (on average 195.3) internal successors, (1953), 10 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:23,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2022-01-18 23:35:23,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:23,401 INFO L129 PetriNetUnfolder]: 0/252 cut-off events. [2022-01-18 23:35:23,402 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-01-18 23:35:23,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 252 events. 0/252 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 547 event pairs, 0 based on Foata normal form. 2/254 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2022-01-18 23:35:23,402 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 15 selfloop transitions, 9 changer transitions 0/193 dead transitions. [2022-01-18 23:35:23,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 193 transitions, 471 flow [2022-01-18 23:35:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:35:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:35:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1763 transitions. [2022-01-18 23:35:23,406 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7930724246513721 [2022-01-18 23:35:23,406 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1763 transitions. [2022-01-18 23:35:23,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1763 transitions. [2022-01-18 23:35:23,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:23,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1763 transitions. [2022-01-18 23:35:23,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 195.88888888888889) internal successors, (1763), 9 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,414 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,414 INFO L186 Difference]: Start difference. First operand has 199 places, 183 transitions, 401 flow. Second operand 9 states and 1763 transitions. [2022-01-18 23:35:23,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 193 transitions, 471 flow [2022-01-18 23:35:23,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 193 transitions, 469 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:23,417 INFO L242 Difference]: Finished difference. Result has 208 places, 189 transitions, 449 flow [2022-01-18 23:35:23,418 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=449, PETRI_PLACES=208, PETRI_TRANSITIONS=189} [2022-01-18 23:35:23,418 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -7 predicate places. [2022-01-18 23:35:23,418 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 189 transitions, 449 flow [2022-01-18 23:35:23,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 195.3) internal successors, (1953), 10 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,419 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:23,419 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:23,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:23,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:23,637 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:23,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash 504352831, now seen corresponding path program 1 times [2022-01-18 23:35:23,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:23,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847738090] [2022-01-18 23:35:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:23,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-01-18 23:35:23,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:23,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847738090] [2022-01-18 23:35:23,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847738090] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:23,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:23,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:35:23,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052133910] [2022-01-18 23:35:23,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:23,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:35:23,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:23,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:35:23,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:35:23,692 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 247 [2022-01-18 23:35:23,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 189 transitions, 449 flow. Second operand has 5 states, 5 states have (on average 176.6) internal successors, (883), 5 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:23,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:23,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 247 [2022-01-18 23:35:23,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:50,378 INFO L129 PetriNetUnfolder]: 110509/240141 cut-off events. [2022-01-18 23:35:50,378 INFO L130 PetriNetUnfolder]: For 2554/2554 co-relation queries the response was YES. [2022-01-18 23:35:52,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384400 conditions, 240141 events. 110509/240141 cut-off events. For 2554/2554 co-relation queries the response was YES. Maximal size of possible extension queue 8656. Compared 3225529 event pairs, 76730 based on Foata normal form. 3875/241136 useless extension candidates. Maximal degree in co-relation 384387. Up to 88950 conditions per place. [2022-01-18 23:35:53,482 INFO L132 encePairwiseOnDemand]: 238/247 looper letters, 38 selfloop transitions, 6 changer transitions 65/268 dead transitions. [2022-01-18 23:35:53,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 268 transitions, 845 flow [2022-01-18 23:35:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 23:35:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-18 23:35:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1336 transitions. [2022-01-18 23:35:53,485 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.772700983227299 [2022-01-18 23:35:53,486 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1336 transitions. [2022-01-18 23:35:53,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1336 transitions. [2022-01-18 23:35:53,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:53,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1336 transitions. [2022-01-18 23:35:53,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:53,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:53,492 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:53,492 INFO L186 Difference]: Start difference. First operand has 208 places, 189 transitions, 449 flow. Second operand 7 states and 1336 transitions. [2022-01-18 23:35:53,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 268 transitions, 845 flow [2022-01-18 23:35:53,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 268 transitions, 839 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:53,501 INFO L242 Difference]: Finished difference. Result has 218 places, 194 transitions, 511 flow [2022-01-18 23:35:53,501 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=511, PETRI_PLACES=218, PETRI_TRANSITIONS=194} [2022-01-18 23:35:53,501 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2022-01-18 23:35:53,501 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 194 transitions, 511 flow [2022-01-18 23:35:53,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 176.6) internal successors, (883), 5 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:53,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:53,502 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:53,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 23:35:53,503 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:53,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:53,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2134970967, now seen corresponding path program 1 times [2022-01-18 23:35:53,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:53,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348896900] [2022-01-18 23:35:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:53,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:53,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:53,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348896900] [2022-01-18 23:35:53,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348896900] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:53,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840456508] [2022-01-18 23:35:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:53,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:53,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:53,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:53,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 23:35:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:53,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 23:35:53,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:53,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:35:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:54,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840456508] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:35:54,008 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:35:54,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-01-18 23:35:54,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155025647] [2022-01-18 23:35:54,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:35:54,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-18 23:35:54,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:54,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-18 23:35:54,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-01-18 23:35:54,011 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2022-01-18 23:35:54,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 194 transitions, 511 flow. Second operand has 18 states, 18 states have (on average 195.61111111111111) internal successors, (3521), 18 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:54,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2022-01-18 23:35:54,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:54,207 INFO L129 PetriNetUnfolder]: 49/646 cut-off events. [2022-01-18 23:35:54,207 INFO L130 PetriNetUnfolder]: For 115/311 co-relation queries the response was YES. [2022-01-18 23:35:54,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 646 events. 49/646 cut-off events. For 115/311 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3334 event pairs, 23 based on Foata normal form. 3/632 useless extension candidates. Maximal degree in co-relation 962. Up to 81 conditions per place. [2022-01-18 23:35:54,217 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 18 selfloop transitions, 16 changer transitions 0/194 dead transitions. [2022-01-18 23:35:54,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 194 transitions, 591 flow [2022-01-18 23:35:54,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 23:35:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-18 23:35:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3511 transitions. [2022-01-18 23:35:54,228 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7896986054880791 [2022-01-18 23:35:54,228 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3511 transitions. [2022-01-18 23:35:54,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3511 transitions. [2022-01-18 23:35:54,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:54,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3511 transitions. [2022-01-18 23:35:54,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 195.05555555555554) internal successors, (3511), 18 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,242 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,242 INFO L186 Difference]: Start difference. First operand has 218 places, 194 transitions, 511 flow. Second operand 18 states and 3511 transitions. [2022-01-18 23:35:54,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 194 transitions, 591 flow [2022-01-18 23:35:54,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 194 transitions, 554 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-01-18 23:35:54,247 INFO L242 Difference]: Finished difference. Result has 210 places, 185 transitions, 490 flow [2022-01-18 23:35:54,247 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=490, PETRI_PLACES=210, PETRI_TRANSITIONS=185} [2022-01-18 23:35:54,247 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -5 predicate places. [2022-01-18 23:35:54,247 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 185 transitions, 490 flow [2022-01-18 23:35:54,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 195.61111111111111) internal successors, (3521), 18 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,248 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:54,248 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:54,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:54,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-01-18 23:35:54,471 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:54,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:54,472 INFO L85 PathProgramCache]: Analyzing trace with hash 240254198, now seen corresponding path program 1 times [2022-01-18 23:35:54,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:54,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337514396] [2022-01-18 23:35:54,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:54,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:54,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:35:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:35:54,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:35:54,527 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:35:54,527 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:35:54,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:35:54,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 23:35:54,528 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:54,528 WARN L235 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:35:54,528 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2022-01-18 23:35:54,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,546 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:35:54,566 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-18 23:35:54,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:35:54,567 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:35:54,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:35:54,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 277 transitions, 632 flow [2022-01-18 23:35:54,721 INFO L129 PetriNetUnfolder]: 284/1576 cut-off events. [2022-01-18 23:35:54,722 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-01-18 23:35:54,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1808 conditions, 1576 events. 284/1576 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8649 event pairs, 72 based on Foata normal form. 0/1349 useless extension candidates. Maximal degree in co-relation 1046. Up to 192 conditions per place. [2022-01-18 23:35:54,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 277 transitions, 632 flow [2022-01-18 23:35:54,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 277 transitions, 632 flow [2022-01-18 23:35:54,755 INFO L129 PetriNetUnfolder]: 9/108 cut-off events. [2022-01-18 23:35:54,755 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:35:54,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:54,755 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:54,755 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:54,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:54,756 INFO L85 PathProgramCache]: Analyzing trace with hash 304016562, now seen corresponding path program 1 times [2022-01-18 23:35:54,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:54,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9545844] [2022-01-18 23:35:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:54,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:54,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:54,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9545844] [2022-01-18 23:35:54,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9545844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:54,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:54,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:35:54,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460175669] [2022-01-18 23:35:54,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:54,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:35:54,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:54,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:35:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:35:54,774 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 277 [2022-01-18 23:35:54,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 277 transitions, 632 flow. Second operand has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:54,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 277 [2022-01-18 23:35:54,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:54,977 INFO L129 PetriNetUnfolder]: 156/1441 cut-off events. [2022-01-18 23:35:54,977 INFO L130 PetriNetUnfolder]: For 648/668 co-relation queries the response was YES. [2022-01-18 23:35:54,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1872 conditions, 1441 events. 156/1441 cut-off events. For 648/668 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8460 event pairs, 72 based on Foata normal form. 1314/2656 useless extension candidates. Maximal degree in co-relation 1039. Up to 199 conditions per place. [2022-01-18 23:35:54,990 INFO L132 encePairwiseOnDemand]: 236/277 looper letters, 6 selfloop transitions, 0 changer transitions 29/235 dead transitions. [2022-01-18 23:35:54,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 235 transitions, 572 flow [2022-01-18 23:35:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:35:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:35:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 499 transitions. [2022-01-18 23:35:54,992 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9007220216606499 [2022-01-18 23:35:54,992 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 499 transitions. [2022-01-18 23:35:54,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 499 transitions. [2022-01-18 23:35:54,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:54,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 499 transitions. [2022-01-18 23:35:54,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,996 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:54,996 INFO L186 Difference]: Start difference. First operand has 240 places, 277 transitions, 632 flow. Second operand 2 states and 499 transitions. [2022-01-18 23:35:54,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 235 transitions, 572 flow [2022-01-18 23:35:54,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 235 transitions, 572 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:55,000 INFO L242 Difference]: Finished difference. Result has 240 places, 206 transitions, 472 flow [2022-01-18 23:35:55,001 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=472, PETRI_PLACES=240, PETRI_TRANSITIONS=206} [2022-01-18 23:35:55,001 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, 0 predicate places. [2022-01-18 23:35:55,001 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 206 transitions, 472 flow [2022-01-18 23:35:55,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,001 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:55,002 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:55,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 23:35:55,002 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:55,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:55,002 INFO L85 PathProgramCache]: Analyzing trace with hash 10613555, now seen corresponding path program 1 times [2022-01-18 23:35:55,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:55,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034013210] [2022-01-18 23:35:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:55,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:55,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:55,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034013210] [2022-01-18 23:35:55,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034013210] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:55,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:55,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:35:55,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318373438] [2022-01-18 23:35:55,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:55,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:55,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:55,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:35:55,027 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 277 [2022-01-18 23:35:55,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 206 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:55,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 277 [2022-01-18 23:35:55,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:55,174 INFO L129 PetriNetUnfolder]: 6/335 cut-off events. [2022-01-18 23:35:55,174 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-01-18 23:35:55,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 335 events. 6/335 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 915 event pairs, 0 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 408. Up to 36 conditions per place. [2022-01-18 23:35:55,177 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 15 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2022-01-18 23:35:55,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 210 transitions, 514 flow [2022-01-18 23:35:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2022-01-18 23:35:55,179 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8014440433212996 [2022-01-18 23:35:55,179 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2022-01-18 23:35:55,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2022-01-18 23:35:55,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:55,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2022-01-18 23:35:55,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,182 INFO L186 Difference]: Start difference. First operand has 240 places, 206 transitions, 472 flow. Second operand 3 states and 666 transitions. [2022-01-18 23:35:55,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 210 transitions, 514 flow [2022-01-18 23:35:55,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 210 transitions, 484 flow, removed 15 selfloop flow, removed 0 redundant places. [2022-01-18 23:35:55,186 INFO L242 Difference]: Finished difference. Result has 222 places, 207 transitions, 454 flow [2022-01-18 23:35:55,186 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=222, PETRI_TRANSITIONS=207} [2022-01-18 23:35:55,186 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -18 predicate places. [2022-01-18 23:35:55,186 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 207 transitions, 454 flow [2022-01-18 23:35:55,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,187 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:55,187 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:55,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 23:35:55,187 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:55,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1928096672, now seen corresponding path program 1 times [2022-01-18 23:35:55,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:55,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030004388] [2022-01-18 23:35:55,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:55,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:55,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:55,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030004388] [2022-01-18 23:35:55,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030004388] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:55,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306060181] [2022-01-18 23:35:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:55,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:55,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:55,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-18 23:35:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:55,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-18 23:35:55,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 23:35:55,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 23:35:55,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306060181] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:55,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 23:35:55,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-18 23:35:55,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170346024] [2022-01-18 23:35:55,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:55,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:35:55,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:55,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:35:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:35:55,407 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2022-01-18 23:35:55,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 207 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:55,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2022-01-18 23:35:55,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:55,455 INFO L129 PetriNetUnfolder]: 0/341 cut-off events. [2022-01-18 23:35:55,455 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-01-18 23:35:55,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 341 events. 0/341 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 993 event pairs, 0 based on Foata normal form. 6/341 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2022-01-18 23:35:55,456 INFO L132 encePairwiseOnDemand]: 275/277 looper letters, 10 selfloop transitions, 0 changer transitions 1/207 dead transitions. [2022-01-18 23:35:55,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 207 transitions, 476 flow [2022-01-18 23:35:55,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:35:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:35:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2022-01-18 23:35:55,458 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7906137184115524 [2022-01-18 23:35:55,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2022-01-18 23:35:55,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2022-01-18 23:35:55,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:55,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2022-01-18 23:35:55,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,461 INFO L186 Difference]: Start difference. First operand has 222 places, 207 transitions, 454 flow. Second operand 3 states and 657 transitions. [2022-01-18 23:35:55,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 207 transitions, 476 flow [2022-01-18 23:35:55,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 207 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:55,465 INFO L242 Difference]: Finished difference. Result has 224 places, 206 transitions, 452 flow [2022-01-18 23:35:55,465 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=224, PETRI_TRANSITIONS=206} [2022-01-18 23:35:55,465 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -16 predicate places. [2022-01-18 23:35:55,466 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 206 transitions, 452 flow [2022-01-18 23:35:55,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:55,466 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:55,466 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:55,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:55,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-18 23:35:55,689 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:55,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:55,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1382932331, now seen corresponding path program 1 times [2022-01-18 23:35:55,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427613732] [2022-01-18 23:35:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:55,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:55,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:55,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427613732] [2022-01-18 23:35:55,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427613732] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:35:55,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941776692] [2022-01-18 23:35:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:55,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:35:55,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:35:55,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:35:55,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-18 23:35:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:55,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:35:55,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:35:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:55,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:35:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:35:56,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941776692] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:35:56,033 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:35:56,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:35:56,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111647680] [2022-01-18 23:35:56,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:35:56,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:35:56,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:35:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:35:56,035 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2022-01-18 23:35:56,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 206 transitions, 452 flow. Second operand has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:56,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2022-01-18 23:35:56,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:35:56,127 INFO L129 PetriNetUnfolder]: 0/299 cut-off events. [2022-01-18 23:35:56,128 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-18 23:35:56,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 299 events. 0/299 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 716 event pairs, 0 based on Foata normal form. 2/301 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2022-01-18 23:35:56,128 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 16 selfloop transitions, 9 changer transitions 0/216 dead transitions. [2022-01-18 23:35:56,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 216 transitions, 524 flow [2022-01-18 23:35:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:35:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:35:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1962 transitions. [2022-01-18 23:35:56,132 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7870036101083032 [2022-01-18 23:35:56,132 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1962 transitions. [2022-01-18 23:35:56,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1962 transitions. [2022-01-18 23:35:56,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:35:56,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1962 transitions. [2022-01-18 23:35:56,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 277.0) internal successors, (2770), 10 states have internal predecessors, (2770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,140 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 277.0) internal successors, (2770), 10 states have internal predecessors, (2770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,140 INFO L186 Difference]: Start difference. First operand has 224 places, 206 transitions, 452 flow. Second operand 9 states and 1962 transitions. [2022-01-18 23:35:56,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 216 transitions, 524 flow [2022-01-18 23:35:56,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 216 transitions, 522 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-18 23:35:56,143 INFO L242 Difference]: Finished difference. Result has 233 places, 212 transitions, 500 flow [2022-01-18 23:35:56,144 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=500, PETRI_PLACES=233, PETRI_TRANSITIONS=212} [2022-01-18 23:35:56,144 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -7 predicate places. [2022-01-18 23:35:56,144 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 212 transitions, 500 flow [2022-01-18 23:35:56,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,145 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:35:56,145 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:35:56,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-18 23:35:56,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-01-18 23:35:56,366 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:35:56,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:35:56,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1385977400, now seen corresponding path program 1 times [2022-01-18 23:35:56,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:35:56,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106359545] [2022-01-18 23:35:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:35:56,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:35:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:35:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-01-18 23:35:56,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:35:56,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106359545] [2022-01-18 23:35:56,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106359545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:35:56,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:35:56,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:35:56,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999222122] [2022-01-18 23:35:56,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:35:56,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:35:56,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:35:56,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:35:56,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:35:56,442 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 277 [2022-01-18 23:35:56,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 212 transitions, 500 flow. Second operand has 5 states, 5 states have (on average 194.6) internal successors, (973), 5 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:35:56,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:35:56,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 277 [2022-01-18 23:35:56,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand