/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_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 22:03:57,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 22:03:57,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 22:03:57,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 22:03:57,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 22:03:57,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 22:03:57,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 22:03:57,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 22:03:57,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 22:03:57,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 22:03:57,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 22:03:57,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 22:03:57,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 22:03:57,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 22:03:57,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 22:03:57,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 22:03:57,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 22:03:57,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 22:03:57,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 22:03:57,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 22:03:57,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 22:03:57,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 22:03:57,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 22:03:57,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 22:03:57,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 22:03:57,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 22:03:57,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 22:03:57,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 22:03:57,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 22:03:57,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 22:03:57,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 22:03:57,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 22:03:57,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 22:03:57,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 22:03:57,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 22:03:57,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 22:03:57,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 22:03:57,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 22:03:57,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 22:03:57,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 22:03:57,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 22:03:57,324 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 22:03:57,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 22:03:57,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 22:03:57,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 22:03:57,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 22:03:57,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 22:03:57,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 22:03:57,353 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 22:03:57,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 22:03:57,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 22:03:57,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 22:03:57,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 22:03:57,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 22:03:57,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 22:03:57,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 22:03:57,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 22:03:57,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 22:03:57,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 22:03:57,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:03:57,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 22:03:57,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 22:03:57,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 22:03:57,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 22:03:57,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 22:03:57,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 22:03:57,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 22:03:57,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 22:03:57,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 22:03:57,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 22:03:57,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 22:03:57,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 22:03:57,554 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 22:03:57,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2022-01-18 22:03:57,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0449cf116/6578275ae7a5438d815614ec03996d64/FLAGc2bd1192d [2022-01-18 22:03:58,047 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 22:03:58,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2022-01-18 22:03:58,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0449cf116/6578275ae7a5438d815614ec03996d64/FLAGc2bd1192d [2022-01-18 22:03:58,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0449cf116/6578275ae7a5438d815614ec03996d64 [2022-01-18 22:03:58,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 22:03:58,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 22:03:58,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 22:03:58,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 22:03:58,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 22:03:58,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758edd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58, skipping insertion in model container [2022-01-18 22:03:58,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 22:03:58,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 22:03:58,483 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_longest-2.i[41530,41543] [2022-01-18 22:03:58,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:03:58,507 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 22:03:58,561 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_longest-2.i[41530,41543] [2022-01-18 22:03:58,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:03:58,613 INFO L208 MainTranslator]: Completed translation [2022-01-18 22:03:58,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58 WrapperNode [2022-01-18 22:03:58,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 22:03:58,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 22:03:58,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 22:03:58,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 22:03:58,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,659 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2022-01-18 22:03:58,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 22:03:58,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 22:03:58,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 22:03:58,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 22:03:58,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 22:03:58,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 22:03:58,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 22:03:58,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 22:03:58,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (1/1) ... [2022-01-18 22:03:58,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:03:58,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:03:58,721 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 22:03:58,727 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 22:03:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-01-18 22:03:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-01-18 22:03:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-01-18 22:03:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-01-18 22:03:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 22:03:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 22:03:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 22:03:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 22:03:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 22:03:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 22:03:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 22:03:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 22:03:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 22:03:58,749 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 22:03:58,878 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 22:03:58,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 22:03:59,130 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 22:03:59,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 22:03:59,137 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-18 22:03:59,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:03:59 BoogieIcfgContainer [2022-01-18 22:03:59,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 22:03:59,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 22:03:59,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 22:03:59,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 22:03:59,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:03:58" (1/3) ... [2022-01-18 22:03:59,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f50b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:03:59, skipping insertion in model container [2022-01-18 22:03:59,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:03:58" (2/3) ... [2022-01-18 22:03:59,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f50b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:03:59, skipping insertion in model container [2022-01-18 22:03:59,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:03:59" (3/3) ... [2022-01-18 22:03:59,145 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2022-01-18 22:03:59,150 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 22:03:59,150 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 22:03:59,150 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 22:03:59,186 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,186 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,186 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,186 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,187 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,188 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,188 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,188 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,188 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,188 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,189 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,189 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,189 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,189 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,189 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,195 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,195 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,195 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,195 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,196 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,197 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,198 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,199 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,200 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,201 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,201 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,201 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,201 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,201 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,202 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,202 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,202 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,203 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,203 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,203 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,204 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,204 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,204 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,204 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,204 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,205 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,206 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,206 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,206 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,206 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,207 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,208 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,209 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,210 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,210 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,222 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,222 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,222 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,222 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,222 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,223 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,223 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,223 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,223 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,223 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,225 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,226 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,226 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,226 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,226 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,227 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,228 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,228 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,228 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,228 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,228 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,229 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,229 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,229 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,231 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,232 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,233 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,234 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,236 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,237 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,238 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,239 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,239 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:03:59,241 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 22:03:59,276 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 22:03:59,281 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 22:03:59,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 22:03:59,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 172 transitions, 360 flow [2022-01-18 22:03:59,348 INFO L129 PetriNetUnfolder]: 10/170 cut-off events. [2022-01-18 22:03:59,348 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 22:03:59,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 170 events. 10/170 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 417 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 126. Up to 3 conditions per place. [2022-01-18 22:03:59,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 169 places, 172 transitions, 360 flow [2022-01-18 22:03:59,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 160 transitions, 329 flow [2022-01-18 22:03:59,383 INFO L129 PetriNetUnfolder]: 5/125 cut-off events. [2022-01-18 22:03:59,383 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 22:03:59,383 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:03:59,384 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] [2022-01-18 22:03:59,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:03:59,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:03:59,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2105074172, now seen corresponding path program 1 times [2022-01-18 22:03:59,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:03:59,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519110926] [2022-01-18 22:03:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:03:59,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:03:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:03:59,718 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 22:03:59,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:03:59,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519110926] [2022-01-18 22:03:59,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519110926] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:03:59,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:03:59,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 22:03:59,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305164380] [2022-01-18 22:03:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:03:59,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 22:03:59,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:03:59,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 22:03:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 22:03:59,755 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 172 [2022-01-18 22:03:59,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 160 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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 22:03:59,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:03:59,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 172 [2022-01-18 22:03:59,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:03:59,949 INFO L129 PetriNetUnfolder]: 88/699 cut-off events. [2022-01-18 22:03:59,950 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-01-18 22:03:59,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 699 events. 88/699 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3097 event pairs, 32 based on Foata normal form. 69/702 useless extension candidates. Maximal degree in co-relation 747. Up to 111 conditions per place. [2022-01-18 22:03:59,960 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 20 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2022-01-18 22:03:59,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 158 transitions, 377 flow [2022-01-18 22:03:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 22:03:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 22:03:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2022-01-18 22:03:59,979 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9282945736434108 [2022-01-18 22:03:59,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2022-01-18 22:03:59,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2022-01-18 22:03:59,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:03:59,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2022-01-18 22:03:59,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 22:03:59,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:00,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:00,002 INFO L186 Difference]: Start difference. First operand has 157 places, 160 transitions, 329 flow. Second operand 3 states and 479 transitions. [2022-01-18 22:04:00,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 158 transitions, 377 flow [2022-01-18 22:04:00,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 158 transitions, 369 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-18 22:04:00,012 INFO L242 Difference]: Finished difference. Result has 153 places, 152 transitions, 323 flow [2022-01-18 22:04:00,014 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=153, PETRI_TRANSITIONS=152} [2022-01-18 22:04:00,021 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, -4 predicate places. [2022-01-18 22:04:00,021 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 323 flow [2022-01-18 22:04:00,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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 22:04:00,024 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:00,029 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] [2022-01-18 22:04:00,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 22:04:00,030 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:04:00,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1103212847, now seen corresponding path program 1 times [2022-01-18 22:04:00,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:00,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457772113] [2022-01-18 22:04:00,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:00,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:00,156 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 22:04:00,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:00,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457772113] [2022-01-18 22:04:00,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457772113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:00,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:00,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 22:04:00,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345334125] [2022-01-18 22:04:00,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:00,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 22:04:00,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:00,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 22:04:00,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 22:04:00,161 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 172 [2022-01-18 22:04:00,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 152 transitions, 323 flow. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 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 22:04:00,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:00,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 172 [2022-01-18 22:04:00,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:00,291 INFO L129 PetriNetUnfolder]: 34/590 cut-off events. [2022-01-18 22:04:00,292 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-01-18 22:04:00,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 590 events. 34/590 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2051 event pairs, 11 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 411. Up to 45 conditions per place. [2022-01-18 22:04:00,297 INFO L132 encePairwiseOnDemand]: 167/172 looper letters, 16 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2022-01-18 22:04:00,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 160 transitions, 384 flow [2022-01-18 22:04:00,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 22:04:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-18 22:04:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 629 transitions. [2022-01-18 22:04:00,300 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9142441860465116 [2022-01-18 22:04:00,300 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 629 transitions. [2022-01-18 22:04:00,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 629 transitions. [2022-01-18 22:04:00,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:00,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 629 transitions. [2022-01-18 22:04:00,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 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 22:04:00,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 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 22:04:00,306 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 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 22:04:00,306 INFO L186 Difference]: Start difference. First operand has 153 places, 152 transitions, 323 flow. Second operand 4 states and 629 transitions. [2022-01-18 22:04:00,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 160 transitions, 384 flow [2022-01-18 22:04:00,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 160 transitions, 381 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 22:04:00,314 INFO L242 Difference]: Finished difference. Result has 157 places, 155 transitions, 348 flow [2022-01-18 22:04:00,315 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=348, PETRI_PLACES=157, PETRI_TRANSITIONS=155} [2022-01-18 22:04:00,315 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 0 predicate places. [2022-01-18 22:04:00,316 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 155 transitions, 348 flow [2022-01-18 22:04:00,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 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 22:04:00,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:00,316 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] [2022-01-18 22:04:00,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 22:04:00,317 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:04:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:00,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1628458080, now seen corresponding path program 1 times [2022-01-18 22:04:00,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:00,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068400705] [2022-01-18 22:04:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:00,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:00,445 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 22:04:00,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:00,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068400705] [2022-01-18 22:04:00,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068400705] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:00,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:00,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 22:04:00,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585386254] [2022-01-18 22:04:00,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:00,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 22:04:00,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 22:04:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 22:04:00,452 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 172 [2022-01-18 22:04:00,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 155 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:04:00,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:00,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 172 [2022-01-18 22:04:00,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:00,686 INFO L129 PetriNetUnfolder]: 127/1267 cut-off events. [2022-01-18 22:04:00,687 INFO L130 PetriNetUnfolder]: For 90/100 co-relation queries the response was YES. [2022-01-18 22:04:00,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1267 events. 127/1267 cut-off events. For 90/100 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6927 event pairs, 33 based on Foata normal form. 12/1205 useless extension candidates. Maximal degree in co-relation 1334. Up to 135 conditions per place. [2022-01-18 22:04:00,694 INFO L132 encePairwiseOnDemand]: 166/172 looper letters, 25 selfloop transitions, 4 changer transitions 0/167 dead transitions. [2022-01-18 22:04:00,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 167 transitions, 439 flow [2022-01-18 22:04:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 22:04:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 22:04:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-01-18 22:04:00,696 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9186046511627907 [2022-01-18 22:04:00,696 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-01-18 22:04:00,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-01-18 22:04:00,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:00,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-01-18 22:04:00,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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 22:04:00,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:00,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:00,699 INFO L186 Difference]: Start difference. First operand has 157 places, 155 transitions, 348 flow. Second operand 3 states and 474 transitions. [2022-01-18 22:04:00,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 167 transitions, 439 flow [2022-01-18 22:04:00,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 167 transitions, 437 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 22:04:00,703 INFO L242 Difference]: Finished difference. Result has 160 places, 159 transitions, 388 flow [2022-01-18 22:04:00,703 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2022-01-18 22:04:00,704 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 3 predicate places. [2022-01-18 22:04:00,704 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 388 flow [2022-01-18 22:04:00,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:04:00,704 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:00,705 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] [2022-01-18 22:04:00,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 22:04:00,705 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 22:04:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:00,707 INFO L85 PathProgramCache]: Analyzing trace with hash 585023441, now seen corresponding path program 1 times [2022-01-18 22:04:00,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:00,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271167306] [2022-01-18 22:04:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:00,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:00,838 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 22:04:00,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:00,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271167306] [2022-01-18 22:04:00,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271167306] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:04:00,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398276814] [2022-01-18 22:04:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:00,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:04:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:04:00,844 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 22:04:00,845 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 22:04:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:00,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 22:04:00,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:04:01,212 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 22:04:01,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:04:01,415 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 22:04:01,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398276814] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 22:04:01,416 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 22:04:01,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 22:04:01,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115891848] [2022-01-18 22:04:01,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 22:04:01,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 22:04:01,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:01,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 22:04:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 22:04:01,419 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 172 [2022-01-18 22:04:01,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 388 flow. Second operand has 10 states, 10 states have (on average 148.5) internal successors, (1485), 10 states have internal predecessors, (1485), 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 22:04:01,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:01,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 172 [2022-01-18 22:04:01,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:01,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([464] L1008-->L1010: Formula: (< 0 v_~top~0_7) InVars {~top~0=v_~top~0_7} OutVars{~top~0=v_~top~0_7} AuxVars[] AssignedVars[][178], [Black: 174#(= ~top~0 0), 72#L1010true, 114#L945-2true, 20#L1022-4true, Black: 182#(and (= |t1Thread1of1ForFork0_push_#res#1| 0) (= |t1Thread1of1ForFork0_#t~ret42#1| 0)), Black: 179#(= |t1Thread1of1ForFork0_push_#res#1| 0), 192#true, t2Thread1of1ForFork1InUse, 188#(<= 1 ~top~0), Black: 186#true]) [2022-01-18 22:04:01,943 INFO L384 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L387 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([465] L1008-->L1008-1: Formula: (not (< 0 v_~top~0_13)) InVars {~top~0=v_~top~0_13} OutVars{~top~0=v_~top~0_13} AuxVars[] AssignedVars[][179], [Black: 174#(= ~top~0 0), 114#L945-2true, 20#L1022-4true, Black: 182#(and (= |t1Thread1of1ForFork0_push_#res#1| 0) (= |t1Thread1of1ForFork0_#t~ret42#1| 0)), 31#L1008-1true, Black: 179#(= |t1Thread1of1ForFork0_push_#res#1| 0), 186#true, t2Thread1of1ForFork1InUse, 230#(<= ~top~0 0), Black: 188#(<= 1 ~top~0)]) [2022-01-18 22:04:01,943 INFO L384 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L387 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-01-18 22:04:01,943 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2022-01-18 22:04:01,944 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-01-18 22:04:02,016 INFO L129 PetriNetUnfolder]: 387/2990 cut-off events. [2022-01-18 22:04:02,016 INFO L130 PetriNetUnfolder]: For 1008/1064 co-relation queries the response was YES. [2022-01-18 22:04:02,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4470 conditions, 2990 events. 387/2990 cut-off events. For 1008/1064 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 21695 event pairs, 43 based on Foata normal form. 40/2871 useless extension candidates. Maximal degree in co-relation 3934. Up to 300 conditions per place. [2022-01-18 22:04:02,041 INFO L132 encePairwiseOnDemand]: 163/172 looper letters, 86 selfloop transitions, 46 changer transitions 1/269 dead transitions. [2022-01-18 22:04:02,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 269 transitions, 1070 flow [2022-01-18 22:04:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 22:04:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-18 22:04:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2759 transitions. [2022-01-18 22:04:02,047 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8911498708010336 [2022-01-18 22:04:02,047 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2759 transitions. [2022-01-18 22:04:02,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2759 transitions. [2022-01-18 22:04:02,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:02,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2759 transitions. [2022-01-18 22:04:02,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 153.27777777777777) internal successors, (2759), 18 states have internal predecessors, (2759), 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 22:04:02,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 172.0) internal successors, (3268), 19 states have internal predecessors, (3268), 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 22:04:02,117 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 172.0) internal successors, (3268), 19 states have internal predecessors, (3268), 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 22:04:02,117 INFO L186 Difference]: Start difference. First operand has 160 places, 159 transitions, 388 flow. Second operand 18 states and 2759 transitions. [2022-01-18 22:04:02,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 269 transitions, 1070 flow [2022-01-18 22:04:02,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 269 transitions, 1008 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-01-18 22:04:02,126 INFO L242 Difference]: Finished difference. Result has 181 places, 214 transitions, 759 flow [2022-01-18 22:04:02,127 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=759, PETRI_PLACES=181, PETRI_TRANSITIONS=214} [2022-01-18 22:04:02,130 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 24 predicate places. [2022-01-18 22:04:02,130 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 214 transitions, 759 flow [2022-01-18 22:04:02,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 148.5) internal successors, (1485), 10 states have internal predecessors, (1485), 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 22:04:02,131 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:02,131 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] [2022-01-18 22:04:02,157 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 22:04:02,356 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 22:04:02,357 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 22:04:02,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:02,357 INFO L85 PathProgramCache]: Analyzing trace with hash -240965741, now seen corresponding path program 1 times [2022-01-18 22:04:02,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:02,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099770939] [2022-01-18 22:04:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:02,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:02,421 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 22:04:02,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:02,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099770939] [2022-01-18 22:04:02,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099770939] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:02,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:02,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 22:04:02,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999729082] [2022-01-18 22:04:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:02,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 22:04:02,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 22:04:02,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 22:04:02,424 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 172 [2022-01-18 22:04:02,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 214 transitions, 759 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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 22:04:02,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:02,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 172 [2022-01-18 22:04:02,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:02,591 INFO L129 PetriNetUnfolder]: 54/1107 cut-off events. [2022-01-18 22:04:02,591 INFO L130 PetriNetUnfolder]: For 239/239 co-relation queries the response was YES. [2022-01-18 22:04:02,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 1107 events. 54/1107 cut-off events. For 239/239 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4892 event pairs, 9 based on Foata normal form. 18/1082 useless extension candidates. Maximal degree in co-relation 1132. Up to 51 conditions per place. [2022-01-18 22:04:02,598 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 12 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2022-01-18 22:04:02,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 173 transitions, 536 flow [2022-01-18 22:04:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 22:04:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 22:04:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2022-01-18 22:04:02,601 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9069767441860465 [2022-01-18 22:04:02,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 468 transitions. [2022-01-18 22:04:02,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 468 transitions. [2022-01-18 22:04:02,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:02,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 468 transitions. [2022-01-18 22:04:02,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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 22:04:02,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:02,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 22:04:02,604 INFO L186 Difference]: Start difference. First operand has 181 places, 214 transitions, 759 flow. Second operand 3 states and 468 transitions. [2022-01-18 22:04:02,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 173 transitions, 536 flow [2022-01-18 22:04:02,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 173 transitions, 514 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-01-18 22:04:02,612 INFO L242 Difference]: Finished difference. Result has 171 places, 171 transitions, 483 flow [2022-01-18 22:04:02,612 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2022-01-18 22:04:02,615 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 14 predicate places. [2022-01-18 22:04:02,615 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 483 flow [2022-01-18 22:04:02,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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 22:04:02,615 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:02,616 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] [2022-01-18 22:04:02,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 22:04:02,616 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 22:04:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:02,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1993733317, now seen corresponding path program 1 times [2022-01-18 22:04:02,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:02,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495709221] [2022-01-18 22:04:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:02,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:03,382 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 22:04:03,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:03,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495709221] [2022-01-18 22:04:03,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495709221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:03,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:03,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-18 22:04:03,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373337569] [2022-01-18 22:04:03,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:03,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-18 22:04:03,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:03,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-18 22:04:03,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-01-18 22:04:03,387 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-18 22:04:03,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 483 flow. Second operand has 25 states, 25 states have (on average 99.28) internal successors, (2482), 25 states have internal predecessors, (2482), 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 22:04:03,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:03,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-18 22:04:03,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:05,471 INFO L129 PetriNetUnfolder]: 1109/4447 cut-off events. [2022-01-18 22:04:05,471 INFO L130 PetriNetUnfolder]: For 789/789 co-relation queries the response was YES. [2022-01-18 22:04:05,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8360 conditions, 4447 events. 1109/4447 cut-off events. For 789/789 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 33380 event pairs, 163 based on Foata normal form. 0/4295 useless extension candidates. Maximal degree in co-relation 4749. Up to 1468 conditions per place. [2022-01-18 22:04:05,502 INFO L132 encePairwiseOnDemand]: 138/172 looper letters, 254 selfloop transitions, 42 changer transitions 2/384 dead transitions. [2022-01-18 22:04:05,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 384 transitions, 1688 flow [2022-01-18 22:04:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 22:04:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-01-18 22:04:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3271 transitions. [2022-01-18 22:04:05,509 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6134658664666166 [2022-01-18 22:04:05,509 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3271 transitions. [2022-01-18 22:04:05,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3271 transitions. [2022-01-18 22:04:05,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:05,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3271 transitions. [2022-01-18 22:04:05,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 105.51612903225806) internal successors, (3271), 31 states have internal predecessors, (3271), 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 22:04:05,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 172.0) internal successors, (5504), 32 states have internal predecessors, (5504), 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 22:04:05,526 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 172.0) internal successors, (5504), 32 states have internal predecessors, (5504), 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 22:04:05,526 INFO L186 Difference]: Start difference. First operand has 171 places, 171 transitions, 483 flow. Second operand 31 states and 3271 transitions. [2022-01-18 22:04:05,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 384 transitions, 1688 flow [2022-01-18 22:04:05,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 384 transitions, 1684 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 22:04:05,534 INFO L242 Difference]: Finished difference. Result has 227 places, 209 transitions, 797 flow [2022-01-18 22:04:05,535 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=797, PETRI_PLACES=227, PETRI_TRANSITIONS=209} [2022-01-18 22:04:05,535 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 70 predicate places. [2022-01-18 22:04:05,535 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 209 transitions, 797 flow [2022-01-18 22:04:05,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 99.28) internal successors, (2482), 25 states have internal predecessors, (2482), 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 22:04:05,537 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:05,537 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] [2022-01-18 22:04:05,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 22:04:05,537 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 22:04:05,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash -701995727, now seen corresponding path program 2 times [2022-01-18 22:04:05,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:05,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391756814] [2022-01-18 22:04:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:05,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:06,306 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 22:04:06,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:06,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391756814] [2022-01-18 22:04:06,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391756814] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:06,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:06,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-18 22:04:06,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229167113] [2022-01-18 22:04:06,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:06,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-18 22:04:06,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:06,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-18 22:04:06,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2022-01-18 22:04:06,310 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-18 22:04:06,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 209 transitions, 797 flow. Second operand has 28 states, 28 states have (on average 86.39285714285714) internal successors, (2419), 28 states have internal predecessors, (2419), 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 22:04:06,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:06,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-18 22:04:06,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:09,052 INFO L129 PetriNetUnfolder]: 1483/6008 cut-off events. [2022-01-18 22:04:09,052 INFO L130 PetriNetUnfolder]: For 2902/2902 co-relation queries the response was YES. [2022-01-18 22:04:09,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13045 conditions, 6008 events. 1483/6008 cut-off events. For 2902/2902 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 49070 event pairs, 304 based on Foata normal form. 4/5900 useless extension candidates. Maximal degree in co-relation 7853. Up to 1499 conditions per place. [2022-01-18 22:04:09,123 INFO L132 encePairwiseOnDemand]: 136/172 looper letters, 264 selfloop transitions, 61 changer transitions 2/403 dead transitions. [2022-01-18 22:04:09,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 403 transitions, 2213 flow [2022-01-18 22:04:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 22:04:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-01-18 22:04:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3126 transitions. [2022-01-18 22:04:09,132 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5345417236662107 [2022-01-18 22:04:09,132 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3126 transitions. [2022-01-18 22:04:09,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3126 transitions. [2022-01-18 22:04:09,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:09,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3126 transitions. [2022-01-18 22:04:09,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 91.94117647058823) internal successors, (3126), 34 states have internal predecessors, (3126), 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 22:04:09,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 172.0) internal successors, (6020), 35 states have internal predecessors, (6020), 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 22:04:09,151 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 172.0) internal successors, (6020), 35 states have internal predecessors, (6020), 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 22:04:09,151 INFO L186 Difference]: Start difference. First operand has 227 places, 209 transitions, 797 flow. Second operand 34 states and 3126 transitions. [2022-01-18 22:04:09,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 403 transitions, 2213 flow [2022-01-18 22:04:09,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 403 transitions, 2209 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-18 22:04:09,173 INFO L242 Difference]: Finished difference. Result has 273 places, 228 transitions, 1117 flow [2022-01-18 22:04:09,174 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=1117, PETRI_PLACES=273, PETRI_TRANSITIONS=228} [2022-01-18 22:04:09,174 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 116 predicate places. [2022-01-18 22:04:09,175 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 228 transitions, 1117 flow [2022-01-18 22:04:09,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 86.39285714285714) internal successors, (2419), 28 states have internal predecessors, (2419), 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 22:04:09,176 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:09,176 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] [2022-01-18 22:04:09,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 22:04:09,176 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 22:04:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash -23337595, now seen corresponding path program 3 times [2022-01-18 22:04:09,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:09,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163433634] [2022-01-18 22:04:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:09,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:09,954 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 22:04:09,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163433634] [2022-01-18 22:04:09,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163433634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:09,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:04:09,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-18 22:04:09,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232009196] [2022-01-18 22:04:09,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:09,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-18 22:04:09,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-18 22:04:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2022-01-18 22:04:09,959 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-18 22:04:09,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 228 transitions, 1117 flow. Second operand has 28 states, 28 states have (on average 86.39285714285714) internal successors, (2419), 28 states have internal predecessors, (2419), 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 22:04:09,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:09,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-18 22:04:09,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:12,861 INFO L129 PetriNetUnfolder]: 1881/7642 cut-off events. [2022-01-18 22:04:12,862 INFO L130 PetriNetUnfolder]: For 4951/4954 co-relation queries the response was YES. [2022-01-18 22:04:12,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17450 conditions, 7642 events. 1881/7642 cut-off events. For 4951/4954 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 67252 event pairs, 174 based on Foata normal form. 5/7496 useless extension candidates. Maximal degree in co-relation 10823. Up to 1429 conditions per place. [2022-01-18 22:04:12,916 INFO L132 encePairwiseOnDemand]: 135/172 looper letters, 284 selfloop transitions, 81 changer transitions 3/444 dead transitions. [2022-01-18 22:04:12,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 444 transitions, 2751 flow [2022-01-18 22:04:12,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 22:04:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2022-01-18 22:04:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 3232 transitions. [2022-01-18 22:04:12,925 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5368770764119601 [2022-01-18 22:04:12,925 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 3232 transitions. [2022-01-18 22:04:12,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 3232 transitions. [2022-01-18 22:04:12,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:12,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 3232 transitions. [2022-01-18 22:04:12,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 92.34285714285714) internal successors, (3232), 35 states have internal predecessors, (3232), 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 22:04:12,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 172.0) internal successors, (6192), 36 states have internal predecessors, (6192), 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 22:04:12,943 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 172.0) internal successors, (6192), 36 states have internal predecessors, (6192), 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 22:04:12,943 INFO L186 Difference]: Start difference. First operand has 273 places, 228 transitions, 1117 flow. Second operand 35 states and 3232 transitions. [2022-01-18 22:04:12,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 444 transitions, 2751 flow [2022-01-18 22:04:12,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 444 transitions, 2656 flow, removed 28 selfloop flow, removed 14 redundant places. [2022-01-18 22:04:12,966 INFO L242 Difference]: Finished difference. Result has 308 places, 249 transitions, 1482 flow [2022-01-18 22:04:12,967 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=1482, PETRI_PLACES=308, PETRI_TRANSITIONS=249} [2022-01-18 22:04:12,967 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 151 predicate places. [2022-01-18 22:04:12,967 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 249 transitions, 1482 flow [2022-01-18 22:04:12,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 86.39285714285714) internal successors, (2419), 28 states have internal predecessors, (2419), 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 22:04:12,969 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:12,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:12,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 22:04:12,969 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:04:12,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash 93237923, now seen corresponding path program 1 times [2022-01-18 22:04:12,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:12,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724367805] [2022-01-18 22:04:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:12,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:13,134 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 22:04:13,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:13,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724367805] [2022-01-18 22:04:13,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724367805] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:04:13,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190549973] [2022-01-18 22:04:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:13,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:04:13,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:04:13,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:04:13,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 22:04:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:13,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 22:04:13,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:04:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-18 22:04:13,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 22:04:13,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190549973] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:04:13,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 22:04:13,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2022-01-18 22:04:13,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761985972] [2022-01-18 22:04:13,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:13,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:04:13,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:13,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:04:13,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-18 22:04:13,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2022-01-18 22:04:13,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 249 transitions, 1482 flow. Second operand has 6 states, 6 states have (on average 146.83333333333334) internal successors, (881), 6 states have internal predecessors, (881), 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 22:04:13,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:13,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2022-01-18 22:04:13,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:14,058 INFO L129 PetriNetUnfolder]: 256/3426 cut-off events. [2022-01-18 22:04:14,058 INFO L130 PetriNetUnfolder]: For 3005/3009 co-relation queries the response was YES. [2022-01-18 22:04:14,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6900 conditions, 3426 events. 256/3426 cut-off events. For 3005/3009 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 25160 event pairs, 67 based on Foata normal form. 14/3364 useless extension candidates. Maximal degree in co-relation 5089. Up to 261 conditions per place. [2022-01-18 22:04:14,086 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 52 selfloop transitions, 33 changer transitions 0/271 dead transitions. [2022-01-18 22:04:14,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 271 transitions, 1710 flow [2022-01-18 22:04:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 22:04:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 22:04:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1202 transitions. [2022-01-18 22:04:14,088 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.873546511627907 [2022-01-18 22:04:14,089 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1202 transitions. [2022-01-18 22:04:14,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1202 transitions. [2022-01-18 22:04:14,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:14,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1202 transitions. [2022-01-18 22:04:14,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 150.25) internal successors, (1202), 8 states have internal predecessors, (1202), 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 22:04:14,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 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 22:04:14,094 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 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 22:04:14,094 INFO L186 Difference]: Start difference. First operand has 308 places, 249 transitions, 1482 flow. Second operand 8 states and 1202 transitions. [2022-01-18 22:04:14,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 271 transitions, 1710 flow [2022-01-18 22:04:14,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 271 transitions, 1596 flow, removed 35 selfloop flow, removed 18 redundant places. [2022-01-18 22:04:14,116 INFO L242 Difference]: Finished difference. Result has 302 places, 252 transitions, 1499 flow [2022-01-18 22:04:14,117 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1499, PETRI_PLACES=302, PETRI_TRANSITIONS=252} [2022-01-18 22:04:14,117 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 145 predicate places. [2022-01-18 22:04:14,117 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 252 transitions, 1499 flow [2022-01-18 22:04:14,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.83333333333334) internal successors, (881), 6 states have internal predecessors, (881), 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 22:04:14,118 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:14,118 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:04:14,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-18 22:04:14,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-01-18 22:04:14,340 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:04:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:14,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1396302866, now seen corresponding path program 1 times [2022-01-18 22:04:14,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:14,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047574242] [2022-01-18 22:04:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:14,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:04:14,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:14,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047574242] [2022-01-18 22:04:14,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047574242] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:04:14,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299862370] [2022-01-18 22:04:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:14,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:04:14,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:04:14,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:04:14,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 22:04:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:14,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-18 22:04:14,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:04:16,374 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-18 22:04:17,458 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-01-18 22:04:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:04:17,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:04:18,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2022-01-18 22:04:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:04:18,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299862370] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 22:04:18,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 22:04:18,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [23, 26] total 66 [2022-01-18 22:04:18,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254861848] [2022-01-18 22:04:18,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:04:18,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-18 22:04:18,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-18 22:04:18,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=4050, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 22:04:18,769 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-18 22:04:18,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 252 transitions, 1499 flow. Second operand has 22 states, 22 states have (on average 100.45454545454545) internal successors, (2210), 22 states have internal predecessors, (2210), 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 22:04:18,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:18,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-18 22:04:18,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:04:24,928 INFO L129 PetriNetUnfolder]: 2699/11060 cut-off events. [2022-01-18 22:04:24,928 INFO L130 PetriNetUnfolder]: For 9643/9646 co-relation queries the response was YES. [2022-01-18 22:04:24,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25567 conditions, 11060 events. 2699/11060 cut-off events. For 9643/9646 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 102693 event pairs, 422 based on Foata normal form. 13/10836 useless extension candidates. Maximal degree in co-relation 23111. Up to 1478 conditions per place. [2022-01-18 22:04:25,028 INFO L132 encePairwiseOnDemand]: 137/172 looper letters, 280 selfloop transitions, 186 changer transitions 3/555 dead transitions. [2022-01-18 22:04:25,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 555 transitions, 3899 flow [2022-01-18 22:04:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-18 22:04:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2022-01-18 22:04:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 6727 transitions. [2022-01-18 22:04:25,037 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5925828047921071 [2022-01-18 22:04:25,037 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 6727 transitions. [2022-01-18 22:04:25,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 6727 transitions. [2022-01-18 22:04:25,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:04:25,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 6727 transitions. [2022-01-18 22:04:25,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 101.92424242424242) internal successors, (6727), 66 states have internal predecessors, (6727), 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 22:04:25,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 172.0) internal successors, (11524), 67 states have internal predecessors, (11524), 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 22:04:25,063 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 172.0) internal successors, (11524), 67 states have internal predecessors, (11524), 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 22:04:25,064 INFO L186 Difference]: Start difference. First operand has 302 places, 252 transitions, 1499 flow. Second operand 66 states and 6727 transitions. [2022-01-18 22:04:25,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 555 transitions, 3899 flow [2022-01-18 22:04:25,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 555 transitions, 3883 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-01-18 22:04:25,116 INFO L242 Difference]: Finished difference. Result has 384 places, 374 transitions, 2885 flow [2022-01-18 22:04:25,117 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=1491, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=66, PETRI_FLOW=2885, PETRI_PLACES=384, PETRI_TRANSITIONS=374} [2022-01-18 22:04:25,117 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 227 predicate places. [2022-01-18 22:04:25,117 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 374 transitions, 2885 flow [2022-01-18 22:04:25,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 100.45454545454545) internal successors, (2210), 22 states have internal predecessors, (2210), 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 22:04:25,118 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:04:25,118 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:04:25,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 22:04:25,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:04:25,342 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:04:25,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:04:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash 135273450, now seen corresponding path program 2 times [2022-01-18 22:04:25,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:04:25,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959284097] [2022-01-18 22:04:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:04:25,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:04:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:04:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:04:26,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:04:26,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959284097] [2022-01-18 22:04:26,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959284097] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:04:26,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431798756] [2022-01-18 22:04:26,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 22:04:26,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:04:26,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:04:26,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:04:26,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 22:04:26,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 22:04:26,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 22:04:26,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-18 22:04:26,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:04:26,714 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 22:04:26,715 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 22:04:26,728 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 22:04:26,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 22:04:27,648 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-18 22:04:27,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-01-18 22:04:28,740 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2022-01-18 22:04:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:04:29,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:04:29,741 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_303 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_303) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296) 4294967294))) is different from false [2022-01-18 22:04:29,754 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:04:29,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-01-18 22:04:29,763 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:04:29,763 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-01-18 22:04:29,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-01-18 22:04:30,803 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 22:04:30,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 22:04:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:04:30,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431798756] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 22:04:30,827 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 22:04:30,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 26] total 75 [2022-01-18 22:04:30,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475049505] [2022-01-18 22:04:30,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 22:04:30,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-01-18 22:04:30,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:04:30,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-01-18 22:04:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=5163, Unknown=1, NotChecked=144, Total=5550 [2022-01-18 22:04:30,836 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-18 22:04:30,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 374 transitions, 2885 flow. Second operand has 75 states, 75 states have (on average 87.21333333333334) internal successors, (6541), 75 states have internal predecessors, (6541), 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 22:04:30,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:04:30,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-18 22:04:30,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:05:11,912 INFO L129 PetriNetUnfolder]: 4776/19368 cut-off events. [2022-01-18 22:05:11,913 INFO L130 PetriNetUnfolder]: For 23905/23912 co-relation queries the response was YES. [2022-01-18 22:05:12,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50267 conditions, 19368 events. 4776/19368 cut-off events. For 23905/23912 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 204561 event pairs, 427 based on Foata normal form. 23/19034 useless extension candidates. Maximal degree in co-relation 46187. Up to 2669 conditions per place. [2022-01-18 22:05:12,144 INFO L132 encePairwiseOnDemand]: 129/172 looper letters, 537 selfloop transitions, 509 changer transitions 20/1142 dead transitions. [2022-01-18 22:05:12,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1142 transitions, 9258 flow [2022-01-18 22:05:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-01-18 22:05:12,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2022-01-18 22:05:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 13950 transitions. [2022-01-18 22:05:12,166 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5133205769796879 [2022-01-18 22:05:12,166 INFO L72 ComplementDD]: Start complementDD. Operand 158 states and 13950 transitions. [2022-01-18 22:05:12,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 13950 transitions. [2022-01-18 22:05:12,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:05:12,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 158 states and 13950 transitions. [2022-01-18 22:05:12,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 159 states, 158 states have (on average 88.29113924050633) internal successors, (13950), 158 states have internal predecessors, (13950), 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 22:05:12,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 159 states, 159 states have (on average 172.0) internal successors, (27348), 159 states have internal predecessors, (27348), 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 22:05:12,395 INFO L81 ComplementDD]: Finished complementDD. Result has 159 states, 159 states have (on average 172.0) internal successors, (27348), 159 states have internal predecessors, (27348), 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 22:05:12,396 INFO L186 Difference]: Start difference. First operand has 384 places, 374 transitions, 2885 flow. Second operand 158 states and 13950 transitions. [2022-01-18 22:05:12,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1142 transitions, 9258 flow [2022-01-18 22:05:12,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 1142 transitions, 8553 flow, removed 326 selfloop flow, removed 10 redundant places. [2022-01-18 22:05:12,575 INFO L242 Difference]: Finished difference. Result has 573 places, 719 transitions, 6413 flow [2022-01-18 22:05:12,576 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=2568, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=158, PETRI_FLOW=6413, PETRI_PLACES=573, PETRI_TRANSITIONS=719} [2022-01-18 22:05:12,577 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 416 predicate places. [2022-01-18 22:05:12,577 INFO L470 AbstractCegarLoop]: Abstraction has has 573 places, 719 transitions, 6413 flow [2022-01-18 22:05:12,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 87.21333333333334) internal successors, (6541), 75 states have internal predecessors, (6541), 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 22:05:12,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:05:12,579 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:05:12,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 22:05:12,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:05:12,799 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:05:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:05:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1440411600, now seen corresponding path program 3 times [2022-01-18 22:05:12,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:05:12,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613038986] [2022-01-18 22:05:12,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:05:12,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:05:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:05:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:05:13,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:05:13,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613038986] [2022-01-18 22:05:13,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613038986] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:05:13,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854403237] [2022-01-18 22:05:13,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 22:05:13,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:05:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:05:13,475 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:05:13,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 22:05:13,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 22:05:13,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 22:05:13,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-18 22:05:13,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:05:13,710 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 22:05:13,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 22:05:13,724 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 22:05:13,724 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 22:05:14,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-18 22:05:14,588 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-01-18 22:05:15,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2022-01-18 22:05:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:05:15,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:05:16,031 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_357 (Array Int Int))) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_357) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296)))) is different from false [2022-01-18 22:05:16,054 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:05:16,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-01-18 22:05:16,062 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:05:16,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-01-18 22:05:16,067 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-01-18 22:05:16,875 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 22:05:16,876 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 22:05:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-18 22:05:16,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854403237] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 22:05:16,886 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 22:05:16,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2022-01-18 22:05:16,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986881011] [2022-01-18 22:05:16,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 22:05:16,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-01-18 22:05:16,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:05:16,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-01-18 22:05:16,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=4705, Unknown=1, NotChecked=138, Total=5112 [2022-01-18 22:05:16,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-18 22:05:16,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 719 transitions, 6413 flow. Second operand has 72 states, 72 states have (on average 87.31944444444444) internal successors, (6287), 72 states have internal predecessors, (6287), 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 22:05:16,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:05:16,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-18 22:05:16,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:05:54,604 INFO L129 PetriNetUnfolder]: 8725/35833 cut-off events. [2022-01-18 22:05:54,605 INFO L130 PetriNetUnfolder]: For 189131/189149 co-relation queries the response was YES. [2022-01-18 22:05:55,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132118 conditions, 35833 events. 8725/35833 cut-off events. For 189131/189149 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 429568 event pairs, 969 based on Foata normal form. 15/35045 useless extension candidates. Maximal degree in co-relation 121340. Up to 4850 conditions per place. [2022-01-18 22:05:55,583 INFO L132 encePairwiseOnDemand]: 131/172 looper letters, 686 selfloop transitions, 1175 changer transitions 5/1942 dead transitions. [2022-01-18 22:05:55,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 1942 transitions, 21893 flow [2022-01-18 22:05:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-01-18 22:05:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2022-01-18 22:05:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 11344 transitions. [2022-01-18 22:05:55,595 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5193188060794727 [2022-01-18 22:05:55,595 INFO L72 ComplementDD]: Start complementDD. Operand 127 states and 11344 transitions. [2022-01-18 22:05:55,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 11344 transitions. [2022-01-18 22:05:55,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:05:55,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 127 states and 11344 transitions. [2022-01-18 22:05:55,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 128 states, 127 states have (on average 89.32283464566929) internal successors, (11344), 127 states have internal predecessors, (11344), 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 22:05:55,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 128 states, 128 states have (on average 172.0) internal successors, (22016), 128 states have internal predecessors, (22016), 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 22:05:55,637 INFO L81 ComplementDD]: Finished complementDD. Result has 128 states, 128 states have (on average 172.0) internal successors, (22016), 128 states have internal predecessors, (22016), 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 22:05:55,637 INFO L186 Difference]: Start difference. First operand has 573 places, 719 transitions, 6413 flow. Second operand 127 states and 11344 transitions. [2022-01-18 22:05:55,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 1942 transitions, 21893 flow [2022-01-18 22:05:56,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 1942 transitions, 21234 flow, removed 253 selfloop flow, removed 29 redundant places. [2022-01-18 22:05:56,505 INFO L242 Difference]: Finished difference. Result has 717 places, 1489 transitions, 17567 flow [2022-01-18 22:05:56,506 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=6111, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=483, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=127, PETRI_FLOW=17567, PETRI_PLACES=717, PETRI_TRANSITIONS=1489} [2022-01-18 22:05:56,506 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 560 predicate places. [2022-01-18 22:05:56,506 INFO L470 AbstractCegarLoop]: Abstraction has has 717 places, 1489 transitions, 17567 flow [2022-01-18 22:05:56,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 87.31944444444444) internal successors, (6287), 72 states have internal predecessors, (6287), 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 22:05:56,507 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:05:56,508 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:05:56,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 22:05:56,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-18 22:05:56,713 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:05:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:05:56,714 INFO L85 PathProgramCache]: Analyzing trace with hash -167689996, now seen corresponding path program 2 times [2022-01-18 22:05:56,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:05:56,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802057495] [2022-01-18 22:05:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:05:56,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:05:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:05:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-18 22:05:56,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:05:56,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802057495] [2022-01-18 22:05:56,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802057495] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:05:56,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915631031] [2022-01-18 22:05:56,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 22:05:56,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:05:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:05:56,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:05:56,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 22:05:56,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 22:05:56,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 22:05:56,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 22:05:56,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:05:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-18 22:05:57,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:05:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-18 22:05:57,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915631031] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 22:05:57,607 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 22:05:57,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-01-18 22:05:57,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067911532] [2022-01-18 22:05:57,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 22:05:57,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 22:05:57,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:05:57,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 22:05:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-01-18 22:05:57,609 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2022-01-18 22:05:57,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 1489 transitions, 17567 flow. Second operand has 16 states, 16 states have (on average 147.375) internal successors, (2358), 16 states have internal predecessors, (2358), 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 22:05:57,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:05:57,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2022-01-18 22:05:57,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:06:05,305 INFO L129 PetriNetUnfolder]: 2200/19988 cut-off events. [2022-01-18 22:06:05,305 INFO L130 PetriNetUnfolder]: For 142902/143038 co-relation queries the response was YES. [2022-01-18 22:06:05,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74581 conditions, 19988 events. 2200/19988 cut-off events. For 142902/143038 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 230839 event pairs, 678 based on Foata normal form. 103/19444 useless extension candidates. Maximal degree in co-relation 71826. Up to 1284 conditions per place. [2022-01-18 22:06:05,757 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 262 selfloop transitions, 513 changer transitions 2/1700 dead transitions. [2022-01-18 22:06:05,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 1700 transitions, 22223 flow [2022-01-18 22:06:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 22:06:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-01-18 22:06:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3258 transitions. [2022-01-18 22:06:05,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8609936575052854 [2022-01-18 22:06:05,760 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3258 transitions. [2022-01-18 22:06:05,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3258 transitions. [2022-01-18 22:06:05,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:06:05,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3258 transitions. [2022-01-18 22:06:05,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 148.0909090909091) internal successors, (3258), 22 states have internal predecessors, (3258), 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 22:06:05,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 172.0) internal successors, (3956), 23 states have internal predecessors, (3956), 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 22:06:05,768 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 172.0) internal successors, (3956), 23 states have internal predecessors, (3956), 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 22:06:05,768 INFO L186 Difference]: Start difference. First operand has 717 places, 1489 transitions, 17567 flow. Second operand 22 states and 3258 transitions. [2022-01-18 22:06:05,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 1700 transitions, 22223 flow [2022-01-18 22:06:06,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 727 places, 1700 transitions, 20978 flow, removed 278 selfloop flow, removed 9 redundant places. [2022-01-18 22:06:06,524 INFO L242 Difference]: Finished difference. Result has 732 places, 1559 transitions, 18967 flow [2022-01-18 22:06:06,525 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=16127, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=407, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=18967, PETRI_PLACES=732, PETRI_TRANSITIONS=1559} [2022-01-18 22:06:06,525 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 575 predicate places. [2022-01-18 22:06:06,525 INFO L470 AbstractCegarLoop]: Abstraction has has 732 places, 1559 transitions, 18967 flow [2022-01-18 22:06:06,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 147.375) internal successors, (2358), 16 states have internal predecessors, (2358), 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 22:06:06,526 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:06:06,526 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-18 22:06:06,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-01-18 22:06:06,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:06:06,743 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 22:06:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:06:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2053556871, now seen corresponding path program 1 times [2022-01-18 22:06:06,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:06:06,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658802481] [2022-01-18 22:06:06,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:06:06,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:06:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:06:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 4 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:06:07,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:06:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658802481] [2022-01-18 22:06:07,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658802481] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 22:06:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749665835] [2022-01-18 22:06:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:06:07,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:06:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:06:07,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 22:06:07,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 22:06:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:06:07,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 86 conjunts are in the unsatisfiable core [2022-01-18 22:06:07,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 22:06:08,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-18 22:06:09,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 22:06:09,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2022-01-18 22:06:11,377 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-01-18 22:06:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:06:11,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 22:07:07,361 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:07:07,362 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-01-18 22:07:07,368 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:07:07,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-01-18 22:07:07,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2022-01-18 22:07:07,398 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 22:07:07,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2022-01-18 22:07:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:07:08,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749665835] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 22:07:08,452 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 22:07:08,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 33] total 96 [2022-01-18 22:07:08,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827735011] [2022-01-18 22:07:08,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 22:07:08,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-01-18 22:07:08,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:07:08,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-01-18 22:07:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=802, Invalid=8280, Unknown=38, NotChecked=0, Total=9120 [2022-01-18 22:07:08,458 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-18 22:07:08,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 1559 transitions, 18967 flow. Second operand has 96 states, 96 states have (on average 100.02083333333333) internal successors, (9602), 96 states have internal predecessors, (9602), 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 22:07:08,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:07:08,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-18 22:07:08,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:07:35,487 WARN L228 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 59 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:08:04,301 WARN L228 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 116 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:08:19,635 WARN L228 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 122 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:08:33,371 WARN L228 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 129 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:08:52,279 WARN L228 SmtUtils]: Spent 18.72s on a formula simplification. DAG size of input: 135 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:09:09,686 WARN L228 SmtUtils]: Spent 17.00s on a formula simplification. DAG size of input: 122 DAG size of output: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:09:22,260 WARN L228 SmtUtils]: Spent 11.04s on a formula simplification. DAG size of input: 109 DAG size of output: 76 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:10:13,209 WARN L228 SmtUtils]: Spent 47.31s on a formula simplification. DAG size of input: 135 DAG size of output: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:10:24,307 WARN L228 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:10:50,416 WARN L228 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 73 DAG size of output: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:11:28,056 WARN L228 SmtUtils]: Spent 7.64s on a formula simplification. DAG size of input: 128 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:11:47,191 WARN L228 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 134 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:11:52,652 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse15 (* c_~top~0 4)) (.cse13 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse14 (* (- 1) |c_t1Thread1of1ForFork0_push_~stack#1.offset|)) (.cse16 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) 0))) (let ((.cse1 (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|)) (.cse4 (<= .cse16 799)) (.cse6 (<= 0 .cse16)) (.cse5 (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|)) (.cse8 (div (+ .cse14 |c_~#arr~0.offset| (- 4)) (- 4))) (.cse9 (* (- 1) |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|)) (.cse10 (select .cse13 |c_~#arr~0.offset|)) (.cse7 (<= .cse15 4)) (.cse2 (< .cse15 4)) (.cse0 (<= (+ c_~top~0 1) 0)) (.cse11 (div (+ .cse14 |c_~#arr~0.offset| (- 5)) (- 4)))) (and (or .cse0 .cse1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (or .cse2 (let ((.cse3 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) 0))) (and (<= 0 .cse3) .cse1 (<= .cse3 799)))) (or .cse0 (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0))) (or .cse2 (and .cse4 .cse5 (not (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) 0)) .cse6)) .cse7 (forall ((v_~top~0_29 Int) (v_ArrVal_476 Int)) (or (< (+ c_~top~0 1) v_~top~0_29) (not (= 4294967294 (mod (select (store (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) 4) v_ArrVal_476) (+ |c_~#arr~0.offset| (* v_~top~0_29 4) (- 4))) 4294967296))) (not (< 0 v_~top~0_29)))) (<= c_~top~0 1) (or .cse0 (not (= (mod (+ |c_t1Thread1of1ForFork0_push_#in~x#1| 2) 4294967296) 0))) (<= c_~top~0 0) (= c_~top~0 |c_t2Thread1of1ForFork1_get_top_#res#1|) (or .cse2 (and .cse4 .cse5 (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 1) .cse6)) (<= c_~top~0 2) (= |c_~#arr~0.offset| 0) (or .cse0 (<= (+ .cse8 |c_t1Thread1of1ForFork0_get_top_#res#1|) 1)) (or .cse0 .cse5) (or .cse0 (<= (+ .cse8 c_~top~0) 1)) (or .cse0 (<= 2 (div (+ |c_~#arr~0.offset| .cse9 (- 5)) (- 4)))) (or .cse0 (<= (+ (div (+ |c_~#arr~0.offset| .cse9 (- 4)) (- 4)) c_~top~0) 1)) (< .cse10 4294967296) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (or .cse0 (<= 2 .cse11)) (or .cse0 (not (= (mod (+ 2 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4294967296) 0))) (<= 0 .cse10) (= 0 |c_t2Thread1of1ForFork1_pop_~stack#1.offset|) (= 5 |c_~#arr~0.base|) (< (div (+ (* (- 1) .cse10) 799) (- 4294967296)) (+ (div .cse10 4294967296) 1)) (or (let ((.cse12 (select .cse13 0))) (and .cse7 (<= .cse12 799) (<= 0 .cse12))) .cse2) (or .cse0 (<= (+ 2 c_~top~0) (+ .cse11 |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_~#arr~0.offset| |c_t2Thread1of1ForFork1_pop_#in~stack#1.offset|)))) is different from false [2022-01-18 22:12:30,442 WARN L228 SmtUtils]: Spent 10.93s on a formula simplification. DAG size of input: 60 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:12:52,894 WARN L228 SmtUtils]: Spent 16.17s on a formula simplification. DAG size of input: 72 DAG size of output: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:13:43,470 WARN L228 SmtUtils]: Spent 37.43s on a formula simplification. DAG size of input: 93 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:14:16,753 WARN L228 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 93 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:14:56,848 WARN L228 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 148 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:15:16,516 WARN L228 SmtUtils]: Spent 10.20s on a formula simplification. DAG size of input: 154 DAG size of output: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:15:36,724 WARN L228 SmtUtils]: Spent 14.67s on a formula simplification. DAG size of input: 161 DAG size of output: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:16:00,742 WARN L228 SmtUtils]: Spent 23.47s on a formula simplification. DAG size of input: 167 DAG size of output: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:16:27,497 WARN L228 SmtUtils]: Spent 25.30s on a formula simplification. DAG size of input: 145 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:16:49,145 WARN L228 SmtUtils]: Spent 14.59s on a formula simplification. DAG size of input: 132 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 22:17:49,192 WARN L228 SmtUtils]: Spent 37.89s on a formula simplification. DAG size of input: 155 DAG size of output: 109 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-01-18 22:17:51,510 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 22:17:51,510 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 22:17:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2022-01-18 22:17:52,327 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-18 22:17:52,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-18 22:17:52,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 22:17:52,528 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 266 known predicates. [2022-01-18 22:17:52,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-01-18 22:17:52,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-01-18 22:17:52,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-18 22:17:52,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-18 22:17:52,530 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-18 22:17:52,532 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1] [2022-01-18 22:17:52,537 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 22:17:52,537 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 22:17:52,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 10:17:52 BasicIcfg [2022-01-18 22:17:52,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 22:17:52,549 INFO L158 Benchmark]: Toolchain (without parser) took 834454.64ms. Allocated memory was 413.1MB in the beginning and 7.6GB in the end (delta: 7.2GB). Free memory was 357.0MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 3.4GB. Max. memory is 16.0GB. [2022-01-18 22:17:52,550 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 413.1MB. Free memory is still 376.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 22:17:52,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.42ms. Allocated memory is still 413.1MB. Free memory was 356.8MB in the beginning and 365.8MB in the end (delta: -9.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. [2022-01-18 22:17:52,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.48ms. Allocated memory is still 413.1MB. Free memory was 365.8MB in the beginning and 362.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 22:17:52,550 INFO L158 Benchmark]: Boogie Preprocessor took 24.02ms. Allocated memory is still 413.1MB. Free memory was 362.6MB in the beginning and 360.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 22:17:52,550 INFO L158 Benchmark]: RCFGBuilder took 454.51ms. Allocated memory is still 413.1MB. Free memory was 360.5MB in the beginning and 344.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 22:17:52,551 INFO L158 Benchmark]: TraceAbstraction took 833405.54ms. Allocated memory was 413.1MB in the beginning and 7.6GB in the end (delta: 7.2GB). Free memory was 343.8MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 3.4GB. Max. memory is 16.0GB. [2022-01-18 22:17:52,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 413.1MB. Free memory is still 376.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 517.42ms. Allocated memory is still 413.1MB. Free memory was 356.8MB in the beginning and 365.8MB in the end (delta: -9.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.48ms. Allocated memory is still 413.1MB. Free memory was 365.8MB in the beginning and 362.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.02ms. Allocated memory is still 413.1MB. Free memory was 362.6MB in the beginning and 360.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 454.51ms. Allocated memory is still 413.1MB. Free memory was 360.5MB in the beginning and 344.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 833405.54ms. Allocated memory was 413.1MB in the beginning and 7.6GB in the end (delta: 7.2GB). Free memory was 343.8MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 3.4GB. 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 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 266 known predicates. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 266 known predicates. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 266 known predicates. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 266 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances [2022-01-18 22:17:52,560 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 CFG has 5 procedures, 272 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: 833.3s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 750.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12075 SdHoareTripleChecker+Valid, 17.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12075 mSDsluCounter, 13372 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4052 IncrementalHoareTripleChecker+Unchecked, 17102 mSDsCounter, 897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32696 IncrementalHoareTripleChecker+Invalid, 37645 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 897 mSolverCounterUnsat, 638 mSDtfsCounter, 32696 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3038 GetRequests, 1966 SyntacticMatches, 47 SemanticMatches, 1024 ConstructedPredicates, 3 IntricatePredicates, 5 DeprecatedPredicates, 58488 ImplicationChecksByTransitivity, 743.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18967occurred in iteration=13, InterpolantAutomatonStates: 512, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 79.3s InterpolantComputationTime, 2930 NumberOfCodeBlocks, 2842 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3873 ConstructedInterpolants, 96 QuantifiedInterpolants, 46285 SizeOfPredicates, 152 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 293 ConjunctsInUnsatCore, 27 InterpolantComputations, 9 PerfectInterpolantSequences, 317/926 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown