/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/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 21:59:18,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 21:59:18,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 21:59:18,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 21:59:18,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 21:59:18,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 21:59:18,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 21:59:18,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 21:59:18,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 21:59:18,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 21:59:18,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 21:59:18,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 21:59:18,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 21:59:18,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 21:59:18,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 21:59:18,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 21:59:18,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 21:59:18,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 21:59:18,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 21:59:18,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 21:59:18,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 21:59:18,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 21:59:18,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 21:59:18,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 21:59:18,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 21:59:18,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 21:59:18,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 21:59:18,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 21:59:18,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 21:59:18,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 21:59:18,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 21:59:18,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 21:59:18,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 21:59:18,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 21:59:18,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 21:59:18,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 21:59:18,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 21:59:18,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 21:59:18,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 21:59:18,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 21:59:18,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 21:59:18,140 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 21:59:18,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 21:59:18,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 21:59:18,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 21:59:18,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 21:59:18,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 21:59:18,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 21:59:18,166 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 21:59:18,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 21:59:18,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 21:59:18,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 21:59:18,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 21:59:18,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 21:59:18,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 21:59:18,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 21:59:18,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 21:59:18,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 21:59:18,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 21:59:18,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 21:59:18,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 21:59:18,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 21:59:18,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 21:59:18,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 21:59:18,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 21:59:18,393 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 21:59:18,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2022-01-18 21:59:18,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e91bb80/943e1bf010144e35975a221cdb6d4ecd/FLAG91e9966b5 [2022-01-18 21:59:18,821 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 21:59:18,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2022-01-18 21:59:18,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e91bb80/943e1bf010144e35975a221cdb6d4ecd/FLAG91e9966b5 [2022-01-18 21:59:19,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e91bb80/943e1bf010144e35975a221cdb6d4ecd [2022-01-18 21:59:19,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 21:59:19,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 21:59:19,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 21:59:19,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 21:59:19,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 21:59:19,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583ce3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19, skipping insertion in model container [2022-01-18 21:59:19,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 21:59:19,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 21:59:19,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2022-01-18 21:59:19,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 21:59:19,505 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 21:59:19,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2022-01-18 21:59:19,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 21:59:19,566 INFO L208 MainTranslator]: Completed translation [2022-01-18 21:59:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19 WrapperNode [2022-01-18 21:59:19,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 21:59:19,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 21:59:19,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 21:59:19,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 21:59:19,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,601 INFO L137 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 161 [2022-01-18 21:59:19,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 21:59:19,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 21:59:19,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 21:59:19,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 21:59:19,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 21:59:19,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 21:59:19,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 21:59:19,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 21:59:19,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (1/1) ... [2022-01-18 21:59:19,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 21:59:19,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 21:59:19,659 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 21:59:19,663 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 21:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-01-18 21:59:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-01-18 21:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-01-18 21:59:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-01-18 21:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 21:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 21:59:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 21:59:19,688 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 21:59:19,818 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 21:59:19,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 21:59:20,033 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 21:59:20,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 21:59:20,046 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-18 21:59:20,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:20 BoogieIcfgContainer [2022-01-18 21:59:20,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 21:59:20,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 21:59:20,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 21:59:20,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 21:59:20,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 09:59:19" (1/3) ... [2022-01-18 21:59:20,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa43e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:20, skipping insertion in model container [2022-01-18 21:59:20,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:19" (2/3) ... [2022-01-18 21:59:20,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa43e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:20, skipping insertion in model container [2022-01-18 21:59:20,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:20" (3/3) ... [2022-01-18 21:59:20,054 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2022-01-18 21:59:20,057 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 21:59:20,057 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 21:59:20,057 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 21:59:20,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,151 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,152 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,156 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,157 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,157 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,157 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,157 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,157 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 21:59:20,173 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 21:59:20,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 21:59:20,219 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 21:59:20,219 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 21:59:20,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 185 transitions, 386 flow [2022-01-18 21:59:20,304 INFO L129 PetriNetUnfolder]: 10/183 cut-off events. [2022-01-18 21:59:20,304 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 21:59:20,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 183 events. 10/183 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 438 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 135. Up to 3 conditions per place. [2022-01-18 21:59:20,314 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 185 transitions, 386 flow [2022-01-18 21:59:20,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 173 transitions, 355 flow [2022-01-18 21:59:20,346 INFO L129 PetriNetUnfolder]: 4/139 cut-off events. [2022-01-18 21:59:20,347 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 21:59:20,347 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:20,354 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, 1] [2022-01-18 21:59:20,354 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1631243722, now seen corresponding path program 1 times [2022-01-18 21:59:20,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:20,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644085283] [2022-01-18 21:59:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:20,626 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 21:59:20,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:20,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644085283] [2022-01-18 21:59:20,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644085283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:20,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:20,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 21:59:20,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510342350] [2022-01-18 21:59:20,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:20,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 21:59:20,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 21:59:20,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 21:59:20,665 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 185 [2022-01-18 21:59:20,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 173 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 21:59:20,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:20,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 185 [2022-01-18 21:59:20,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:20,814 INFO L129 PetriNetUnfolder]: 91/896 cut-off events. [2022-01-18 21:59:20,814 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-01-18 21:59:20,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 896 events. 91/896 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5317 event pairs, 15 based on Foata normal form. 61/885 useless extension candidates. Maximal degree in co-relation 903. Up to 96 conditions per place. [2022-01-18 21:59:20,823 INFO L132 encePairwiseOnDemand]: 176/185 looper letters, 19 selfloop transitions, 3 changer transitions 0/173 dead transitions. [2022-01-18 21:59:20,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 173 transitions, 405 flow [2022-01-18 21:59:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 21:59:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 21:59:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2022-01-18 21:59:20,837 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9441441441441442 [2022-01-18 21:59:20,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2022-01-18 21:59:20,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2022-01-18 21:59:20,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:20,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2022-01-18 21:59:20,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 21:59:20,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:20,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:20,853 INFO L186 Difference]: Start difference. First operand has 170 places, 173 transitions, 355 flow. Second operand 3 states and 524 transitions. [2022-01-18 21:59:20,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 173 transitions, 405 flow [2022-01-18 21:59:20,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 173 transitions, 397 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-18 21:59:20,860 INFO L242 Difference]: Finished difference. Result has 166 places, 166 transitions, 351 flow [2022-01-18 21:59:20,861 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=166, PETRI_TRANSITIONS=166} [2022-01-18 21:59:20,863 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, -4 predicate places. [2022-01-18 21:59:20,864 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 166 transitions, 351 flow [2022-01-18 21:59:20,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 21:59:20,864 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:20,865 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, 1, 1, 1, 1, 1] [2022-01-18 21:59:20,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 21:59:20,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:20,865 INFO L85 PathProgramCache]: Analyzing trace with hash -959432383, now seen corresponding path program 1 times [2022-01-18 21:59:20,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:20,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255692959] [2022-01-18 21:59:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:20,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:20,941 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 21:59:20,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:20,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255692959] [2022-01-18 21:59:20,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255692959] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:20,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:20,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 21:59:20,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090457108] [2022-01-18 21:59:20,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:20,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 21:59:20,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 21:59:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 21:59:20,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 185 [2022-01-18 21:59:20,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 166 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 21:59:20,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:20,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 185 [2022-01-18 21:59:20,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:20,994 INFO L129 PetriNetUnfolder]: 21/425 cut-off events. [2022-01-18 21:59:20,994 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-18 21:59:20,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 425 events. 21/425 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1384 event pairs, 4 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 376. Up to 16 conditions per place. [2022-01-18 21:59:20,996 INFO L132 encePairwiseOnDemand]: 182/185 looper letters, 9 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-01-18 21:59:20,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 169 transitions, 379 flow [2022-01-18 21:59:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 21:59:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 21:59:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2022-01-18 21:59:20,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9405405405405406 [2022-01-18 21:59:20,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 522 transitions. [2022-01-18 21:59:20,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 522 transitions. [2022-01-18 21:59:20,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:20,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 522 transitions. [2022-01-18 21:59:20,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 21:59:21,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:21,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:21,001 INFO L186 Difference]: Start difference. First operand has 166 places, 166 transitions, 351 flow. Second operand 3 states and 522 transitions. [2022-01-18 21:59:21,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 169 transitions, 379 flow [2022-01-18 21:59:21,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 169 transitions, 377 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 21:59:21,012 INFO L242 Difference]: Finished difference. Result has 168 places, 166 transitions, 356 flow [2022-01-18 21:59:21,012 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=168, PETRI_TRANSITIONS=166} [2022-01-18 21:59:21,013 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, -2 predicate places. [2022-01-18 21:59:21,013 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 166 transitions, 356 flow [2022-01-18 21:59:21,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 21:59:21,013 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:21,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 21:59:21,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 21:59:21,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1579701380, now seen corresponding path program 1 times [2022-01-18 21:59:21,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:21,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566229902] [2022-01-18 21:59:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:21,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:21,072 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 21:59:21,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:21,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566229902] [2022-01-18 21:59:21,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566229902] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:21,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:21,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 21:59:21,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992509132] [2022-01-18 21:59:21,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:21,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 21:59:21,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:21,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 21:59:21,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 21:59:21,076 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 185 [2022-01-18 21:59:21,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 166 transitions, 356 flow. Second operand has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 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 21:59:21,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:21,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 185 [2022-01-18 21:59:21,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:21,160 INFO L129 PetriNetUnfolder]: 41/522 cut-off events. [2022-01-18 21:59:21,160 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-01-18 21:59:21,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 522 events. 41/522 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2023 event pairs, 13 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 403. Up to 37 conditions per place. [2022-01-18 21:59:21,163 INFO L132 encePairwiseOnDemand]: 180/185 looper letters, 16 selfloop transitions, 4 changer transitions 0/174 dead transitions. [2022-01-18 21:59:21,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 174 transitions, 417 flow [2022-01-18 21:59:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 21:59:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-18 21:59:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 681 transitions. [2022-01-18 21:59:21,165 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9202702702702703 [2022-01-18 21:59:21,165 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 681 transitions. [2022-01-18 21:59:21,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 681 transitions. [2022-01-18 21:59:21,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:21,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 681 transitions. [2022-01-18 21:59:21,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 170.25) internal successors, (681), 4 states have internal predecessors, (681), 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 21:59:21,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 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 21:59:21,168 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 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 21:59:21,168 INFO L186 Difference]: Start difference. First operand has 168 places, 166 transitions, 356 flow. Second operand 4 states and 681 transitions. [2022-01-18 21:59:21,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 174 transitions, 417 flow [2022-01-18 21:59:21,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 174 transitions, 415 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 21:59:21,173 INFO L242 Difference]: Finished difference. Result has 172 places, 169 transitions, 382 flow [2022-01-18 21:59:21,173 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=382, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2022-01-18 21:59:21,174 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 2 predicate places. [2022-01-18 21:59:21,175 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 382 flow [2022-01-18 21:59:21,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 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 21:59:21,175 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:21,175 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 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 21:59:21,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 21:59:21,176 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1819207550, now seen corresponding path program 1 times [2022-01-18 21:59:21,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:21,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209328591] [2022-01-18 21:59:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:21,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 21:59:21,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:21,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209328591] [2022-01-18 21:59:21,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209328591] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 21:59:21,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193910610] [2022-01-18 21:59:21,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:21,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 21:59:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 21:59:21,303 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 21:59:21,340 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 21:59:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:21,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 21:59:21,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 21:59:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 21:59:21,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 21:59:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 21:59:21,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193910610] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 21:59:21,829 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 21:59:21,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 21:59:21,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240207689] [2022-01-18 21:59:21,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 21:59:21,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 21:59:21,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 21:59:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 21:59:21,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 185 [2022-01-18 21:59:21,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 382 flow. Second operand has 10 states, 10 states have (on average 164.5) internal successors, (1645), 10 states have internal predecessors, (1645), 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 21:59:21,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:21,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 185 [2022-01-18 21:59:21,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:22,132 INFO L129 PetriNetUnfolder]: 187/1846 cut-off events. [2022-01-18 21:59:22,132 INFO L130 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2022-01-18 21:59:22,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2409 conditions, 1846 events. 187/1846 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 12179 event pairs, 33 based on Foata normal form. 8/1747 useless extension candidates. Maximal degree in co-relation 1925. Up to 135 conditions per place. [2022-01-18 21:59:22,142 INFO L132 encePairwiseOnDemand]: 179/185 looper letters, 48 selfloop transitions, 14 changer transitions 0/215 dead transitions. [2022-01-18 21:59:22,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 215 transitions, 631 flow [2022-01-18 21:59:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 21:59:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-18 21:59:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1684 transitions. [2022-01-18 21:59:22,153 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9102702702702703 [2022-01-18 21:59:22,153 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1684 transitions. [2022-01-18 21:59:22,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1684 transitions. [2022-01-18 21:59:22,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:22,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1684 transitions. [2022-01-18 21:59:22,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 168.4) internal successors, (1684), 10 states have internal predecessors, (1684), 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 21:59:22,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 185.0) internal successors, (2035), 11 states have internal predecessors, (2035), 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 21:59:22,159 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 185.0) internal successors, (2035), 11 states have internal predecessors, (2035), 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 21:59:22,160 INFO L186 Difference]: Start difference. First operand has 172 places, 169 transitions, 382 flow. Second operand 10 states and 1684 transitions. [2022-01-18 21:59:22,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 215 transitions, 631 flow [2022-01-18 21:59:22,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 215 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 21:59:22,164 INFO L242 Difference]: Finished difference. Result has 183 places, 182 transitions, 474 flow [2022-01-18 21:59:22,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=474, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2022-01-18 21:59:22,165 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 13 predicate places. [2022-01-18 21:59:22,165 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 474 flow [2022-01-18 21:59:22,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 164.5) internal successors, (1645), 10 states have internal predecessors, (1645), 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 21:59:22,166 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:22,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:22,185 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 21:59:22,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 21:59:22,379 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1038169264, now seen corresponding path program 1 times [2022-01-18 21:59:22,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:22,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723820192] [2022-01-18 21:59:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:22,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:22,416 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 21:59:22,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:22,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723820192] [2022-01-18 21:59:22,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723820192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:22,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:22,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 21:59:22,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276562746] [2022-01-18 21:59:22,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:22,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 21:59:22,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:22,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 21:59:22,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 21:59:22,418 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 185 [2022-01-18 21:59:22,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 21:59:22,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:22,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 185 [2022-01-18 21:59:22,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:22,504 INFO L129 PetriNetUnfolder]: 53/1081 cut-off events. [2022-01-18 21:59:22,504 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-01-18 21:59:22,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1377 conditions, 1081 events. 53/1081 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4715 event pairs, 10 based on Foata normal form. 11/1047 useless extension candidates. Maximal degree in co-relation 843. Up to 46 conditions per place. [2022-01-18 21:59:22,508 INFO L132 encePairwiseOnDemand]: 181/185 looper letters, 12 selfloop transitions, 4 changer transitions 0/179 dead transitions. [2022-01-18 21:59:22,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 179 transitions, 485 flow [2022-01-18 21:59:22,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 21:59:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 21:59:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2022-01-18 21:59:22,510 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9135135135135135 [2022-01-18 21:59:22,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 507 transitions. [2022-01-18 21:59:22,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 507 transitions. [2022-01-18 21:59:22,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:22,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 507 transitions. [2022-01-18 21:59:22,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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 21:59:22,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:22,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 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 21:59:22,512 INFO L186 Difference]: Start difference. First operand has 183 places, 182 transitions, 474 flow. Second operand 3 states and 507 transitions. [2022-01-18 21:59:22,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 179 transitions, 485 flow [2022-01-18 21:59:22,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 179 transitions, 473 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-01-18 21:59:22,515 INFO L242 Difference]: Finished difference. Result has 183 places, 177 transitions, 442 flow [2022-01-18 21:59:22,515 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=183, PETRI_TRANSITIONS=177} [2022-01-18 21:59:22,516 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 13 predicate places. [2022-01-18 21:59:22,516 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 177 transitions, 442 flow [2022-01-18 21:59:22,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 21:59:22,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:22,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:22,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 21:59:22,517 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1134841387, now seen corresponding path program 1 times [2022-01-18 21:59:22,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:22,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162775239] [2022-01-18 21:59:22,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:22,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:22,573 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 21:59:22,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:22,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162775239] [2022-01-18 21:59:22,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162775239] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:22,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:22,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 21:59:22,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300797680] [2022-01-18 21:59:22,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:22,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 21:59:22,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:22,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 21:59:22,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-18 21:59:22,575 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 185 [2022-01-18 21:59:22,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 177 transitions, 442 flow. Second operand has 7 states, 7 states have (on average 154.28571428571428) internal successors, (1080), 7 states have internal predecessors, (1080), 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 21:59:22,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:22,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 185 [2022-01-18 21:59:22,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:22,745 INFO L129 PetriNetUnfolder]: 119/1236 cut-off events. [2022-01-18 21:59:22,745 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-01-18 21:59:22,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1843 conditions, 1236 events. 119/1236 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6174 event pairs, 19 based on Foata normal form. 0/1183 useless extension candidates. Maximal degree in co-relation 1239. Up to 178 conditions per place. [2022-01-18 21:59:22,750 INFO L132 encePairwiseOnDemand]: 174/185 looper letters, 49 selfloop transitions, 13 changer transitions 0/205 dead transitions. [2022-01-18 21:59:22,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 205 transitions, 651 flow [2022-01-18 21:59:22,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 21:59:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 21:59:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1425 transitions. [2022-01-18 21:59:22,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8558558558558559 [2022-01-18 21:59:22,752 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1425 transitions. [2022-01-18 21:59:22,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1425 transitions. [2022-01-18 21:59:22,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:22,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1425 transitions. [2022-01-18 21:59:22,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 158.33333333333334) internal successors, (1425), 9 states have internal predecessors, (1425), 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 21:59:22,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 185.0) internal successors, (1850), 10 states have internal predecessors, (1850), 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 21:59:22,757 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 185.0) internal successors, (1850), 10 states have internal predecessors, (1850), 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 21:59:22,757 INFO L186 Difference]: Start difference. First operand has 183 places, 177 transitions, 442 flow. Second operand 9 states and 1425 transitions. [2022-01-18 21:59:22,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 205 transitions, 651 flow [2022-01-18 21:59:22,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 205 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 21:59:22,760 INFO L242 Difference]: Finished difference. Result has 195 places, 184 transitions, 526 flow [2022-01-18 21:59:22,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=526, PETRI_PLACES=195, PETRI_TRANSITIONS=184} [2022-01-18 21:59:22,761 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 25 predicate places. [2022-01-18 21:59:22,761 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 184 transitions, 526 flow [2022-01-18 21:59:22,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.28571428571428) internal successors, (1080), 7 states have internal predecessors, (1080), 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 21:59:22,762 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:22,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:22,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 21:59:22,762 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:22,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1194335221, now seen corresponding path program 1 times [2022-01-18 21:59:22,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:22,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888017295] [2022-01-18 21:59:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:22,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:23,494 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 21:59:23,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:23,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888017295] [2022-01-18 21:59:23,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888017295] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:23,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:23,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-01-18 21:59:23,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621269472] [2022-01-18 21:59:23,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:23,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 21:59:23,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 21:59:23,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2022-01-18 21:59:23,497 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 185 [2022-01-18 21:59:23,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 184 transitions, 526 flow. Second operand has 29 states, 29 states have (on average 95.48275862068965) internal successors, (2769), 29 states have internal predecessors, (2769), 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 21:59:23,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:23,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 185 [2022-01-18 21:59:23,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:25,809 INFO L129 PetriNetUnfolder]: 1049/4120 cut-off events. [2022-01-18 21:59:25,809 INFO L130 PetriNetUnfolder]: For 609/609 co-relation queries the response was YES. [2022-01-18 21:59:25,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7680 conditions, 4120 events. 1049/4120 cut-off events. For 609/609 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 30175 event pairs, 351 based on Foata normal form. 4/3997 useless extension candidates. Maximal degree in co-relation 4327. Up to 1516 conditions per place. [2022-01-18 21:59:25,827 INFO L132 encePairwiseOnDemand]: 148/185 looper letters, 276 selfloop transitions, 42 changer transitions 5/412 dead transitions. [2022-01-18 21:59:25,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 412 transitions, 1759 flow [2022-01-18 21:59:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 21:59:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-01-18 21:59:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3473 transitions. [2022-01-18 21:59:25,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5521462639109698 [2022-01-18 21:59:25,833 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3473 transitions. [2022-01-18 21:59:25,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3473 transitions. [2022-01-18 21:59:25,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:25,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3473 transitions. [2022-01-18 21:59:25,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 102.1470588235294) internal successors, (3473), 34 states have internal predecessors, (3473), 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 21:59:25,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 185.0) internal successors, (6475), 35 states have internal predecessors, (6475), 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 21:59:25,846 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 185.0) internal successors, (6475), 35 states have internal predecessors, (6475), 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 21:59:25,846 INFO L186 Difference]: Start difference. First operand has 195 places, 184 transitions, 526 flow. Second operand 34 states and 3473 transitions. [2022-01-18 21:59:25,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 412 transitions, 1759 flow [2022-01-18 21:59:25,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 412 transitions, 1748 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-18 21:59:25,853 INFO L242 Difference]: Finished difference. Result has 252 places, 218 transitions, 839 flow [2022-01-18 21:59:25,854 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=839, PETRI_PLACES=252, PETRI_TRANSITIONS=218} [2022-01-18 21:59:25,854 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 82 predicate places. [2022-01-18 21:59:25,854 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 218 transitions, 839 flow [2022-01-18 21:59:25,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 95.48275862068965) internal successors, (2769), 29 states have internal predecessors, (2769), 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 21:59:25,855 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:25,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:25,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 21:59:25,855 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash 761301451, now seen corresponding path program 2 times [2022-01-18 21:59:25,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:25,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037790743] [2022-01-18 21:59:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 21:59:26,523 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 21:59:26,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 21:59:26,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037790743] [2022-01-18 21:59:26,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037790743] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 21:59:26,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 21:59:26,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 21:59:26,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284749205] [2022-01-18 21:59:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 21:59:26,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 21:59:26,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 21:59:26,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 21:59:26,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2022-01-18 21:59:26,530 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 185 [2022-01-18 21:59:26,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 218 transitions, 839 flow. Second operand has 27 states, 27 states have (on average 96.66666666666667) internal successors, (2610), 27 states have internal predecessors, (2610), 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 21:59:26,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 21:59:26,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 185 [2022-01-18 21:59:26,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 21:59:30,594 INFO L129 PetriNetUnfolder]: 1419/5642 cut-off events. [2022-01-18 21:59:30,594 INFO L130 PetriNetUnfolder]: For 2001/2001 co-relation queries the response was YES. [2022-01-18 21:59:30,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12010 conditions, 5642 events. 1419/5642 cut-off events. For 2001/2001 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 43329 event pairs, 122 based on Foata normal form. 16/5566 useless extension candidates. Maximal degree in co-relation 10136. Up to 1303 conditions per place. [2022-01-18 21:59:30,634 INFO L132 encePairwiseOnDemand]: 151/185 looper letters, 333 selfloop transitions, 88 changer transitions 7/517 dead transitions. [2022-01-18 21:59:30,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 517 transitions, 2729 flow [2022-01-18 21:59:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 21:59:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2022-01-18 21:59:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 5562 transitions. [2022-01-18 21:59:30,642 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5466339066339067 [2022-01-18 21:59:30,642 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 5562 transitions. [2022-01-18 21:59:30,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 5562 transitions. [2022-01-18 21:59:30,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 21:59:30,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 5562 transitions. [2022-01-18 21:59:30,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 101.12727272727273) internal successors, (5562), 55 states have internal predecessors, (5562), 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 21:59:30,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 185.0) internal successors, (10360), 56 states have internal predecessors, (10360), 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 21:59:30,661 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 185.0) internal successors, (10360), 56 states have internal predecessors, (10360), 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 21:59:30,662 INFO L186 Difference]: Start difference. First operand has 252 places, 218 transitions, 839 flow. Second operand 55 states and 5562 transitions. [2022-01-18 21:59:30,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 517 transitions, 2729 flow [2022-01-18 21:59:30,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 517 transitions, 2699 flow, removed 5 selfloop flow, removed 7 redundant places. [2022-01-18 21:59:30,675 INFO L242 Difference]: Finished difference. Result has 337 places, 268 transitions, 1479 flow [2022-01-18 21:59:30,675 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=55, PETRI_FLOW=1479, PETRI_PLACES=337, PETRI_TRANSITIONS=268} [2022-01-18 21:59:30,676 INFO L334 CegarLoopForPetriNet]: 170 programPoint places, 167 predicate places. [2022-01-18 21:59:30,676 INFO L470 AbstractCegarLoop]: Abstraction has has 337 places, 268 transitions, 1479 flow [2022-01-18 21:59:30,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 96.66666666666667) internal successors, (2610), 27 states have internal predecessors, (2610), 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 21:59:30,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 21:59:30,677 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:30,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 21:59:30,677 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 21:59:30,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 21:59:30,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1440809171, now seen corresponding path program 1 times [2022-01-18 21:59:30,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 21:59:30,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60994980] [2022-01-18 21:59:30,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 21:59:30,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 21:59:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 21:59:30,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 21:59:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 21:59:30,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 21:59:30,761 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 21:59:30,762 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-18 21:59:30,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-01-18 21:59:30,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-01-18 21:59:30,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-18 21:59:30,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-18 21:59:30,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-18 21:59:30,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 21:59:30,766 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 21:59:30,770 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 21:59:30,770 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 21:59:30,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 09:59:30 BasicIcfg [2022-01-18 21:59:30,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 21:59:30,879 INFO L158 Benchmark]: Toolchain (without parser) took 11680.94ms. Allocated memory was 392.2MB in the beginning and 702.5MB in the end (delta: 310.4MB). Free memory was 336.9MB in the beginning and 258.6MB in the end (delta: 78.2MB). Peak memory consumption was 390.3MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,879 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 392.2MB. Free memory is still 355.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 21:59:30,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.40ms. Allocated memory was 392.2MB in the beginning and 524.3MB in the end (delta: 132.1MB). Free memory was 336.7MB in the beginning and 479.0MB in the end (delta: -142.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.19ms. Allocated memory is still 524.3MB. Free memory was 479.0MB in the beginning and 475.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,880 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 524.3MB. Free memory was 475.8MB in the beginning and 474.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,880 INFO L158 Benchmark]: RCFGBuilder took 426.91ms. Allocated memory is still 524.3MB. Free memory was 474.8MB in the beginning and 456.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,880 INFO L158 Benchmark]: TraceAbstraction took 10829.21ms. Allocated memory was 524.3MB in the beginning and 702.5MB in the end (delta: 178.3MB). Free memory was 455.9MB in the beginning and 258.6MB in the end (delta: 197.2MB). Peak memory consumption was 377.6MB. Max. memory is 16.0GB. [2022-01-18 21:59:30,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 392.2MB. Free memory is still 355.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 359.40ms. Allocated memory was 392.2MB in the beginning and 524.3MB in the end (delta: 132.1MB). Free memory was 336.7MB in the beginning and 479.0MB in the end (delta: -142.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.19ms. Allocated memory is still 524.3MB. Free memory was 479.0MB in the beginning and 475.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 18.28ms. Allocated memory is still 524.3MB. Free memory was 475.8MB in the beginning and 474.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 426.91ms. Allocated memory is still 524.3MB. Free memory was 474.8MB in the beginning and 456.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 10829.21ms. Allocated memory was 524.3MB in the beginning and 702.5MB in the end (delta: 178.3MB). Free memory was 455.9MB in the beginning and 258.6MB in the end (delta: 197.2MB). Peak memory consumption was 377.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 941]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(5)]; VAL [arr={5:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={5:0}, m={6:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={5:0}, flag=0, m={6:0}, top=0] [L1021] 0 pthread_t id1, id2; VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, top=0] [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id1, ((void *)0), t1, ((void *)0))=13, top=0] [L990] 1 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L991] 1 unsigned int tmp; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L992] 1 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967300, arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, tmp=4, top=0] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id2, ((void *)0), t2, ((void *)0))=14, top=0] [L1006] 2 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L1007] 2 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={5:0}, cond=1, flag=0, m={6:0}, top=0] [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) VAL [\old(x)=4, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=4] [L969] CALL, EXPR 1 get_top() [L954] 1 return top; VAL [\result=0, arr={5:0}, flag=0, m={6:0}, top=0] [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x VAL [\old(x)=4, arr={5:0}, flag=0, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=4] [L970] CALL 1 inc_top() [L946] 1 top++ VAL [arr={5:0}, flag=0, m={6:0}, top=1] [L970] RET 1 inc_top() [L972] 1 return 0; VAL [\old(x)=4, \result=0, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=1, x=4] [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, push(arr,tmp)=0, tmp=4, top=1] [L999] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, tmp=4, top=1] [L1010] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=1, \result=0, arr={5:0}, flag=1, m={6:0}, top=1] [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) VAL [arr={5:0}, flag=1, get_top()=1, m={6:0}, stack={5:0}, stack={5:0}, top=1] [L983] CALL 2 dec_top() [L950] 2 top-- VAL [arr={5:0}, flag=1, m={6:0}, top=0] [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=4, top=0] [L984] 2 return stack[get_top()]; VAL [\result=4, arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=4, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, pop(arr)=4, top=0] [L1007] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1010] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L976] RET, EXPR 2 get_top() [L976] COND TRUE 2 get_top()==0 VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L979] 2 return (-2); VAL [\result=-2, arr={5:0}, flag=1, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, pop(arr)=-2, top=0] [L1013] CALL 2 error() [L941] 2 reach_error() VAL [arr={5:0}, flag=1, m={6:0}, top=0] - UnprovableResult [Line: 1024]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1023]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 294 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.6s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1380 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1380 mSDsluCounter, 2777 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3100 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4825 IncrementalHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 228 mSDtfsCounter, 4825 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1906 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1479occurred in iteration=8, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1035 ConstructedInterpolants, 0 QuantifiedInterpolants, 6907 SizeOfPredicates, 2 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 12/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-18 21:59:30,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...