/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-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 04:00:52,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 04:00:52,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 04:00:52,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 04:00:52,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 04:00:52,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 04:00:52,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 04:00:52,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 04:00:52,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 04:00:52,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 04:00:52,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 04:00:52,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 04:00:52,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 04:00:52,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 04:00:52,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 04:00:52,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 04:00:52,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 04:00:52,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 04:00:52,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 04:00:52,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 04:00:52,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 04:00:52,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 04:00:52,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 04:00:52,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 04:00:52,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 04:00:52,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 04:00:52,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 04:00:52,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 04:00:52,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 04:00:52,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 04:00:52,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 04:00:52,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 04:00:52,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 04:00:52,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 04:00:52,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 04:00:52,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 04:00:52,938 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-Before.epf [2022-01-19 04:00:52,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 04:00:52,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 04:00:52,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 04:00:52,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 04:00:52,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 04:00:52,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 04:00:52,967 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 04:00:52,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 04:00:52,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 04:00:52,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 04:00:52,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 04:00:52,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:00:52,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 04:00:52,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 04:00:52,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 04:00:52,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 04:00:52,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 04:00:52,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 04:00:52,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 04:00:52,972 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 04:00:52,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 04:00:53,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 04:00:53,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 04:00:53,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 04:00:53,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 04:00:53,184 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 04:00:53,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2022-01-19 04:00:53,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0eed029/78cb47b1a54a417c891eb3c382b5bbe6/FLAG064efcdb2 [2022-01-19 04:00:53,636 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 04:00:53,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2022-01-19 04:00:53,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0eed029/78cb47b1a54a417c891eb3c382b5bbe6/FLAG064efcdb2 [2022-01-19 04:00:53,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0eed029/78cb47b1a54a417c891eb3c382b5bbe6 [2022-01-19 04:00:53,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 04:00:53,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 04:00:53,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 04:00:53,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 04:00:53,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 04:00:53,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:00:53" (1/1) ... [2022-01-19 04:00:53,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d5eca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:53, skipping insertion in model container [2022-01-19 04:00:53,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:00:53" (1/1) ... [2022-01-19 04:00:53,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 04:00:53,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 04:00:54,120 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] [2022-01-19 04:00:54,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:00:54,166 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 04:00:54,206 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] [2022-01-19 04:00:54,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:00:54,256 INFO L208 MainTranslator]: Completed translation [2022-01-19 04:00:54,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54 WrapperNode [2022-01-19 04:00:54,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 04:00:54,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 04:00:54,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 04:00:54,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 04:00:54,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,307 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2022-01-19 04:00:54,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 04:00:54,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 04:00:54,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 04:00:54,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 04:00:54,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 04:00:54,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 04:00:54,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 04:00:54,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 04:00:54,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (1/1) ... [2022-01-19 04:00:54,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:00:54,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:00:54,370 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) [2022-01-19 04:00:54,391 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 [2022-01-19 04:00:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-01-19 04:00:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-01-19 04:00:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-01-19 04:00:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-01-19 04:00:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 04:00:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 04:00:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 04:00:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 04:00:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 04:00:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 04:00:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 04:00:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 04:00:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 04:00:54,419 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 04:00:54,529 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 04:00:54,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 04:00:54,758 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 04:00:54,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 04:00:54,764 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-19 04:00:54,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:00:54 BoogieIcfgContainer [2022-01-19 04:00:54,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 04:00:54,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 04:00:54,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 04:00:54,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 04:00:54,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 04:00:53" (1/3) ... [2022-01-19 04:00:54,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10550e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:00:54, skipping insertion in model container [2022-01-19 04:00:54,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:00:54" (2/3) ... [2022-01-19 04:00:54,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10550e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:00:54, skipping insertion in model container [2022-01-19 04:00:54,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:00:54" (3/3) ... [2022-01-19 04:00:54,770 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2022-01-19 04:00:54,773 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 04:00:54,773 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-19 04:00:54,773 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 04:00:54,799 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,799 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,799 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,799 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,799 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,800 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,801 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,802 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,803 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,804 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,805 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,806 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,807 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,808 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,809 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,810 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,810 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,810 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,810 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,810 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,811 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,811 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,811 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,811 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,812 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,813 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,814 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,815 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:00:54,841 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 04:00:54,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 04:00:54,877 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 [2022-01-19 04:00:54,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-19 04:00:54,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 172 transitions, 360 flow [2022-01-19 04:00:54,949 INFO L129 PetriNetUnfolder]: 10/170 cut-off events. [2022-01-19 04:00:54,950 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 04:00:54,954 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. [2022-01-19 04:00:54,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 169 places, 172 transitions, 360 flow [2022-01-19 04:00:54,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 160 transitions, 329 flow [2022-01-19 04:00:54,987 INFO L129 PetriNetUnfolder]: 5/125 cut-off events. [2022-01-19 04:00:54,987 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-19 04:00:54,987 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:54,988 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] [2022-01-19 04:00:54,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:54,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2105074172, now seen corresponding path program 1 times [2022-01-19 04:00:55,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:55,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307078979] [2022-01-19 04:00:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:55,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:55,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:55,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307078979] [2022-01-19 04:00:55,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307078979] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:00:55,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:00:55,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 04:00:55,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203409514] [2022-01-19 04:00:55,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:00:55,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:00:55,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:00:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:00:55,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 172 [2022-01-19 04:00:55,310 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) [2022-01-19 04:00:55,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:55,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 172 [2022-01-19 04:00:55,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:55,451 INFO L129 PetriNetUnfolder]: 88/699 cut-off events. [2022-01-19 04:00:55,451 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-01-19 04:00:55,455 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. [2022-01-19 04:00:55,460 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 20 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2022-01-19 04:00:55,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 158 transitions, 377 flow [2022-01-19 04:00:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:00:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:00:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2022-01-19 04:00:55,475 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9282945736434108 [2022-01-19 04:00:55,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2022-01-19 04:00:55,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2022-01-19 04:00:55,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:00:55,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2022-01-19 04:00:55,483 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) [2022-01-19 04:00:55,488 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) [2022-01-19 04:00:55,489 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) [2022-01-19 04:00:55,490 INFO L186 Difference]: Start difference. First operand has 157 places, 160 transitions, 329 flow. Second operand 3 states and 479 transitions. [2022-01-19 04:00:55,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 158 transitions, 377 flow [2022-01-19 04:00:55,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 158 transitions, 369 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 04:00:55,497 INFO L242 Difference]: Finished difference. Result has 153 places, 152 transitions, 323 flow [2022-01-19 04:00:55,498 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} [2022-01-19 04:00:55,501 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, -4 predicate places. [2022-01-19 04:00:55,502 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 323 flow [2022-01-19 04:00:55,503 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) [2022-01-19 04:00:55,507 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:55,507 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] [2022-01-19 04:00:55,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 04:00:55,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:55,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:55,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1103212847, now seen corresponding path program 1 times [2022-01-19 04:00:55,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:55,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702883563] [2022-01-19 04:00:55,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:55,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:55,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:55,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702883563] [2022-01-19 04:00:55,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702883563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:00:55,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:00:55,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 04:00:55,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000258700] [2022-01-19 04:00:55,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:00:55,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 04:00:55,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:55,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 04:00:55,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 04:00:55,618 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 172 [2022-01-19 04:00:55,619 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) [2022-01-19 04:00:55,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:55,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 172 [2022-01-19 04:00:55,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:55,711 INFO L129 PetriNetUnfolder]: 34/590 cut-off events. [2022-01-19 04:00:55,711 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-01-19 04:00:55,713 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. [2022-01-19 04:00:55,715 INFO L132 encePairwiseOnDemand]: 167/172 looper letters, 16 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2022-01-19 04:00:55,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 160 transitions, 384 flow [2022-01-19 04:00:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 04:00:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 04:00:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 629 transitions. [2022-01-19 04:00:55,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9142441860465116 [2022-01-19 04:00:55,718 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 629 transitions. [2022-01-19 04:00:55,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 629 transitions. [2022-01-19 04:00:55,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:00:55,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 629 transitions. [2022-01-19 04:00:55,719 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) [2022-01-19 04:00:55,721 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) [2022-01-19 04:00:55,721 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) [2022-01-19 04:00:55,721 INFO L186 Difference]: Start difference. First operand has 153 places, 152 transitions, 323 flow. Second operand 4 states and 629 transitions. [2022-01-19 04:00:55,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 160 transitions, 384 flow [2022-01-19 04:00:55,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 160 transitions, 381 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 04:00:55,726 INFO L242 Difference]: Finished difference. Result has 157 places, 155 transitions, 348 flow [2022-01-19 04:00:55,727 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} [2022-01-19 04:00:55,727 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 0 predicate places. [2022-01-19 04:00:55,727 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 155 transitions, 348 flow [2022-01-19 04:00:55,728 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) [2022-01-19 04:00:55,728 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:55,728 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] [2022-01-19 04:00:55,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 04:00:55,728 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1628458080, now seen corresponding path program 1 times [2022-01-19 04:00:55,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:55,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78155244] [2022-01-19 04:00:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:55,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:55,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:55,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78155244] [2022-01-19 04:00:55,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78155244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:00:55,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:00:55,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 04:00:55,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776588151] [2022-01-19 04:00:55,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:00:55,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:00:55,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:55,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:00:55,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:00:55,815 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 172 [2022-01-19 04:00:55,816 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) [2022-01-19 04:00:55,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:55,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 172 [2022-01-19 04:00:55,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:55,990 INFO L129 PetriNetUnfolder]: 127/1267 cut-off events. [2022-01-19 04:00:55,991 INFO L130 PetriNetUnfolder]: For 90/100 co-relation queries the response was YES. [2022-01-19 04:00:55,994 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. [2022-01-19 04:00:55,997 INFO L132 encePairwiseOnDemand]: 166/172 looper letters, 25 selfloop transitions, 4 changer transitions 0/167 dead transitions. [2022-01-19 04:00:55,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 167 transitions, 439 flow [2022-01-19 04:00:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:00:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:00:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-01-19 04:00:55,999 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9186046511627907 [2022-01-19 04:00:56,000 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-01-19 04:00:56,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-01-19 04:00:56,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:00:56,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-01-19 04:00:56,001 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) [2022-01-19 04:00:56,002 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) [2022-01-19 04:00:56,002 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) [2022-01-19 04:00:56,002 INFO L186 Difference]: Start difference. First operand has 157 places, 155 transitions, 348 flow. Second operand 3 states and 474 transitions. [2022-01-19 04:00:56,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 167 transitions, 439 flow [2022-01-19 04:00:56,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 167 transitions, 437 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 04:00:56,010 INFO L242 Difference]: Finished difference. Result has 160 places, 159 transitions, 388 flow [2022-01-19 04:00:56,010 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} [2022-01-19 04:00:56,011 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 3 predicate places. [2022-01-19 04:00:56,012 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 388 flow [2022-01-19 04:00:56,012 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) [2022-01-19 04:00:56,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:56,012 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] [2022-01-19 04:00:56,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 04:00:56,013 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:56,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:56,013 INFO L85 PathProgramCache]: Analyzing trace with hash 585023441, now seen corresponding path program 1 times [2022-01-19 04:00:56,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:56,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547539796] [2022-01-19 04:00:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:56,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:56,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:56,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547539796] [2022-01-19 04:00:56,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547539796] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:00:56,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267250103] [2022-01-19 04:00:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:56,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:00:56,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:00:56,132 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) [2022-01-19 04:00:56,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 04:00:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:56,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 04:00:56,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:00:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:56,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:00:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:56,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267250103] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 04:00:56,672 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 04:00:56,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-19 04:00:56,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162092441] [2022-01-19 04:00:56,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 04:00:56,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 04:00:56,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:56,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 04:00:56,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-19 04:00:56,674 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 172 [2022-01-19 04:00:56,676 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) [2022-01-19 04:00:56,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:56,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 172 [2022-01-19 04:00:56,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:57,069 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([464] L1008-->L1010: Formula: (< 0 v_~top~0_7) InVars {~top~0=v_~top~0_7} OutVars{~top~0=v_~top~0_7} AuxVars[] AssignedVars[][178], [Black: 174#(= ~top~0 0), 72#L1010true, 114#L945-2true, 20#L1022-4true, Black: 182#(and (= |t1Thread1of1ForFork0_push_#res#1| 0) (= |t1Thread1of1ForFork0_#t~ret42#1| 0)), Black: 179#(= |t1Thread1of1ForFork0_push_#res#1| 0), 192#true, t2Thread1of1ForFork1InUse, 188#(<= 1 ~top~0), Black: 186#true]) [2022-01-19 04:00:57,069 INFO L384 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L382 tUnfolder$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)]) [2022-01-19 04:00:57,069 INFO L384 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2022-01-19 04:00:57,069 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-01-19 04:00:57,115 INFO L129 PetriNetUnfolder]: 387/2990 cut-off events. [2022-01-19 04:00:57,115 INFO L130 PetriNetUnfolder]: For 1008/1064 co-relation queries the response was YES. [2022-01-19 04:00:57,124 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. [2022-01-19 04:00:57,131 INFO L132 encePairwiseOnDemand]: 163/172 looper letters, 86 selfloop transitions, 46 changer transitions 1/269 dead transitions. [2022-01-19 04:00:57,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 269 transitions, 1070 flow [2022-01-19 04:00:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 04:00:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 04:00:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2759 transitions. [2022-01-19 04:00:57,136 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8911498708010336 [2022-01-19 04:00:57,136 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2759 transitions. [2022-01-19 04:00:57,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2759 transitions. [2022-01-19 04:00:57,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:00:57,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2759 transitions. [2022-01-19 04:00:57,142 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) [2022-01-19 04:00:57,147 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) [2022-01-19 04:00:57,148 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) [2022-01-19 04:00:57,148 INFO L186 Difference]: Start difference. First operand has 160 places, 159 transitions, 388 flow. Second operand 18 states and 2759 transitions. [2022-01-19 04:00:57,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 269 transitions, 1070 flow [2022-01-19 04:00:57,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 269 transitions, 1008 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-01-19 04:00:57,154 INFO L242 Difference]: Finished difference. Result has 181 places, 214 transitions, 759 flow [2022-01-19 04:00:57,155 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} [2022-01-19 04:00:57,155 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 24 predicate places. [2022-01-19 04:00:57,155 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 214 transitions, 759 flow [2022-01-19 04:00:57,156 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) [2022-01-19 04:00:57,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:57,156 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] [2022-01-19 04:00:57,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 04:00:57,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:00:57,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash -240965741, now seen corresponding path program 1 times [2022-01-19 04:00:57,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:57,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848747660] [2022-01-19 04:00:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:57,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:57,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:57,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848747660] [2022-01-19 04:00:57,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848747660] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:00:57,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:00:57,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 04:00:57,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677316978] [2022-01-19 04:00:57,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:00:57,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:00:57,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:57,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:00:57,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:00:57,475 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 172 [2022-01-19 04:00:57,475 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) [2022-01-19 04:00:57,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:57,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 172 [2022-01-19 04:00:57,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:57,570 INFO L129 PetriNetUnfolder]: 54/1107 cut-off events. [2022-01-19 04:00:57,570 INFO L130 PetriNetUnfolder]: For 239/239 co-relation queries the response was YES. [2022-01-19 04:00:57,572 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. [2022-01-19 04:00:57,573 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 12 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2022-01-19 04:00:57,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 173 transitions, 536 flow [2022-01-19 04:00:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:00:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:00:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2022-01-19 04:00:57,575 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9069767441860465 [2022-01-19 04:00:57,575 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 468 transitions. [2022-01-19 04:00:57,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 468 transitions. [2022-01-19 04:00:57,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:00:57,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 468 transitions. [2022-01-19 04:00:57,576 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) [2022-01-19 04:00:57,577 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) [2022-01-19 04:00:57,577 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) [2022-01-19 04:00:57,577 INFO L186 Difference]: Start difference. First operand has 181 places, 214 transitions, 759 flow. Second operand 3 states and 468 transitions. [2022-01-19 04:00:57,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 173 transitions, 536 flow [2022-01-19 04:00:57,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 173 transitions, 514 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-01-19 04:00:57,581 INFO L242 Difference]: Finished difference. Result has 171 places, 171 transitions, 483 flow [2022-01-19 04:00:57,581 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} [2022-01-19 04:00:57,583 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 14 predicate places. [2022-01-19 04:00:57,583 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 483 flow [2022-01-19 04:00:57,583 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) [2022-01-19 04:00:57,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:00:57,583 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] [2022-01-19 04:00:57,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 04:00:57,584 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:00:57,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:00:57,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1993733317, now seen corresponding path program 1 times [2022-01-19 04:00:57,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:00:57,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870903534] [2022-01-19 04:00:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:00:57,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:00:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:00:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:00:58,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:00:58,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870903534] [2022-01-19 04:00:58,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870903534] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:00:58,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:00:58,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-19 04:00:58,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95706976] [2022-01-19 04:00:58,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:00:58,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-19 04:00:58,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:00:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-19 04:00:58,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-01-19 04:00:58,177 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-19 04:00:58,179 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) [2022-01-19 04:00:58,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:00:58,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-19 04:00:58,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:00:59,996 INFO L129 PetriNetUnfolder]: 1109/4447 cut-off events. [2022-01-19 04:00:59,996 INFO L130 PetriNetUnfolder]: For 789/789 co-relation queries the response was YES. [2022-01-19 04:01:00,011 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. [2022-01-19 04:01:00,023 INFO L132 encePairwiseOnDemand]: 138/172 looper letters, 254 selfloop transitions, 42 changer transitions 2/384 dead transitions. [2022-01-19 04:01:00,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 384 transitions, 1688 flow [2022-01-19 04:01:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-19 04:01:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-01-19 04:01:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3271 transitions. [2022-01-19 04:01:00,032 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6134658664666166 [2022-01-19 04:01:00,032 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3271 transitions. [2022-01-19 04:01:00,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3271 transitions. [2022-01-19 04:01:00,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:01:00,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3271 transitions. [2022-01-19 04:01:00,039 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) [2022-01-19 04:01:00,045 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) [2022-01-19 04:01:00,046 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) [2022-01-19 04:01:00,046 INFO L186 Difference]: Start difference. First operand has 171 places, 171 transitions, 483 flow. Second operand 31 states and 3271 transitions. [2022-01-19 04:01:00,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 384 transitions, 1688 flow [2022-01-19 04:01:00,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 384 transitions, 1684 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 04:01:00,052 INFO L242 Difference]: Finished difference. Result has 227 places, 209 transitions, 797 flow [2022-01-19 04:01:00,053 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} [2022-01-19 04:01:00,053 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 70 predicate places. [2022-01-19 04:01:00,053 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 209 transitions, 797 flow [2022-01-19 04:01:00,054 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) [2022-01-19 04:01:00,054 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:01:00,054 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] [2022-01-19 04:01:00,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 04:01:00,054 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:01:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:01:00,055 INFO L85 PathProgramCache]: Analyzing trace with hash -701995727, now seen corresponding path program 2 times [2022-01-19 04:01:00,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:01:00,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339913273] [2022-01-19 04:01:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:00,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:01:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:01:00,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:01:00,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339913273] [2022-01-19 04:01:00,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339913273] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:01:00,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:01:00,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 04:01:00,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913248462] [2022-01-19 04:01:00,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:01:00,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 04:01:00,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:01:00,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 04:01:00,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2022-01-19 04:01:00,712 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-19 04:01:00,713 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) [2022-01-19 04:01:00,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:01:00,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-19 04:01:00,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:01:03,365 INFO L129 PetriNetUnfolder]: 1483/6008 cut-off events. [2022-01-19 04:01:03,366 INFO L130 PetriNetUnfolder]: For 2902/2902 co-relation queries the response was YES. [2022-01-19 04:01:03,386 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. [2022-01-19 04:01:03,400 INFO L132 encePairwiseOnDemand]: 136/172 looper letters, 264 selfloop transitions, 61 changer transitions 2/403 dead transitions. [2022-01-19 04:01:03,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 403 transitions, 2213 flow [2022-01-19 04:01:03,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-19 04:01:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-01-19 04:01:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3126 transitions. [2022-01-19 04:01:03,405 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5345417236662107 [2022-01-19 04:01:03,405 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3126 transitions. [2022-01-19 04:01:03,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3126 transitions. [2022-01-19 04:01:03,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:01:03,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3126 transitions. [2022-01-19 04:01:03,410 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) [2022-01-19 04:01:03,416 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) [2022-01-19 04:01:03,417 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) [2022-01-19 04:01:03,417 INFO L186 Difference]: Start difference. First operand has 227 places, 209 transitions, 797 flow. Second operand 34 states and 3126 transitions. [2022-01-19 04:01:03,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 403 transitions, 2213 flow [2022-01-19 04:01:03,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 403 transitions, 2209 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 04:01:03,428 INFO L242 Difference]: Finished difference. Result has 273 places, 228 transitions, 1117 flow [2022-01-19 04:01:03,428 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} [2022-01-19 04:01:03,429 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 116 predicate places. [2022-01-19 04:01:03,429 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 228 transitions, 1117 flow [2022-01-19 04:01:03,430 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) [2022-01-19 04:01:03,430 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:01:03,430 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] [2022-01-19 04:01:03,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 04:01:03,430 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:01:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:01:03,430 INFO L85 PathProgramCache]: Analyzing trace with hash -23337595, now seen corresponding path program 3 times [2022-01-19 04:01:03,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:01:03,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516482211] [2022-01-19 04:01:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:03,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:01:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:01:04,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:01:04,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516482211] [2022-01-19 04:01:04,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516482211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:01:04,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:01:04,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 04:01:04,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285507305] [2022-01-19 04:01:04,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:01:04,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 04:01:04,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:01:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 04:01:04,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2022-01-19 04:01:04,010 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-19 04:01:04,012 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) [2022-01-19 04:01:04,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:01:04,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-19 04:01:04,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:01:06,664 INFO L129 PetriNetUnfolder]: 1881/7642 cut-off events. [2022-01-19 04:01:06,665 INFO L130 PetriNetUnfolder]: For 4951/4954 co-relation queries the response was YES. [2022-01-19 04:01:06,701 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. [2022-01-19 04:01:06,723 INFO L132 encePairwiseOnDemand]: 135/172 looper letters, 284 selfloop transitions, 81 changer transitions 3/444 dead transitions. [2022-01-19 04:01:06,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 444 transitions, 2751 flow [2022-01-19 04:01:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-19 04:01:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2022-01-19 04:01:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 3232 transitions. [2022-01-19 04:01:06,733 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5368770764119601 [2022-01-19 04:01:06,733 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 3232 transitions. [2022-01-19 04:01:06,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 3232 transitions. [2022-01-19 04:01:06,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:01:06,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 3232 transitions. [2022-01-19 04:01:06,739 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) [2022-01-19 04:01:06,743 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) [2022-01-19 04:01:06,744 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) [2022-01-19 04:01:06,745 INFO L186 Difference]: Start difference. First operand has 273 places, 228 transitions, 1117 flow. Second operand 35 states and 3232 transitions. [2022-01-19 04:01:06,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 444 transitions, 2751 flow [2022-01-19 04:01:06,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 444 transitions, 2656 flow, removed 28 selfloop flow, removed 14 redundant places. [2022-01-19 04:01:06,764 INFO L242 Difference]: Finished difference. Result has 308 places, 249 transitions, 1482 flow [2022-01-19 04:01:06,764 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} [2022-01-19 04:01:06,764 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 151 predicate places. [2022-01-19 04:01:06,765 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 249 transitions, 1482 flow [2022-01-19 04:01:06,766 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) [2022-01-19 04:01:06,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:01:06,766 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] [2022-01-19 04:01:06,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 04:01:06,766 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:01:06,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:01:06,766 INFO L85 PathProgramCache]: Analyzing trace with hash 93237923, now seen corresponding path program 1 times [2022-01-19 04:01:06,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:01:06,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053155210] [2022-01-19 04:01:06,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:06,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:01:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:01:06,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:01:06,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053155210] [2022-01-19 04:01:06,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053155210] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:01:06,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746264595] [2022-01-19 04:01:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:06,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:01:06,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:01:06,844 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) [2022-01-19 04:01:06,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 04:01:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:06,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 04:01:06,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:01:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-19 04:01:07,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 04:01:07,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746264595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:01:07,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 04:01:07,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2022-01-19 04:01:07,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162671878] [2022-01-19 04:01:07,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:01:07,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 04:01:07,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:01:07,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 04:01:07,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-19 04:01:07,151 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2022-01-19 04:01:07,152 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) [2022-01-19 04:01:07,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:01:07,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2022-01-19 04:01:07,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:01:07,703 INFO L129 PetriNetUnfolder]: 256/3426 cut-off events. [2022-01-19 04:01:07,703 INFO L130 PetriNetUnfolder]: For 3005/3009 co-relation queries the response was YES. [2022-01-19 04:01:07,720 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. [2022-01-19 04:01:07,743 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 52 selfloop transitions, 33 changer transitions 0/271 dead transitions. [2022-01-19 04:01:07,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 271 transitions, 1710 flow [2022-01-19 04:01:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 04:01:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 04:01:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1202 transitions. [2022-01-19 04:01:07,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.873546511627907 [2022-01-19 04:01:07,746 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1202 transitions. [2022-01-19 04:01:07,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1202 transitions. [2022-01-19 04:01:07,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:01:07,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1202 transitions. [2022-01-19 04:01:07,747 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) [2022-01-19 04:01:07,748 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) [2022-01-19 04:01:07,748 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) [2022-01-19 04:01:07,748 INFO L186 Difference]: Start difference. First operand has 308 places, 249 transitions, 1482 flow. Second operand 8 states and 1202 transitions. [2022-01-19 04:01:07,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 271 transitions, 1710 flow [2022-01-19 04:01:07,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 271 transitions, 1596 flow, removed 35 selfloop flow, removed 18 redundant places. [2022-01-19 04:01:07,767 INFO L242 Difference]: Finished difference. Result has 302 places, 252 transitions, 1499 flow [2022-01-19 04:01:07,767 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} [2022-01-19 04:01:07,768 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 145 predicate places. [2022-01-19 04:01:07,768 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 252 transitions, 1499 flow [2022-01-19 04:01:07,768 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) [2022-01-19 04:01:07,768 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:01:07,768 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] [2022-01-19 04:01:07,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 04:01:07,985 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 [2022-01-19 04:01:07,985 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:01:07,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:01:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1396302866, now seen corresponding path program 1 times [2022-01-19 04:01:07,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:01:07,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772763530] [2022-01-19 04:01:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:07,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:01:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:01:08,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:01:08,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772763530] [2022-01-19 04:01:08,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772763530] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:01:08,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367662935] [2022-01-19 04:01:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:08,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:01:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:01:08,465 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) [2022-01-19 04:01:08,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 04:01:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:08,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-19 04:01:08,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:01:09,656 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 [2022-01-19 04:01:10,529 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 [2022-01-19 04:01:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:01:10,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:01:11,217 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 [2022-01-19 04:01:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:01:11,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367662935] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 04:01:11,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 04:01:11,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [23, 26] total 66 [2022-01-19 04:01:11,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435484819] [2022-01-19 04:01:11,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:01:11,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-19 04:01:11,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:01:11,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-19 04:01:11,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=4050, Unknown=0, NotChecked=0, Total=4290 [2022-01-19 04:01:11,725 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-19 04:01:11,726 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) [2022-01-19 04:01:11,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:01:11,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-19 04:01:11,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:01:17,617 INFO L129 PetriNetUnfolder]: 2699/11060 cut-off events. [2022-01-19 04:01:17,617 INFO L130 PetriNetUnfolder]: For 9643/9646 co-relation queries the response was YES. [2022-01-19 04:01:17,705 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. [2022-01-19 04:01:17,758 INFO L132 encePairwiseOnDemand]: 137/172 looper letters, 280 selfloop transitions, 186 changer transitions 3/555 dead transitions. [2022-01-19 04:01:17,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 555 transitions, 3899 flow [2022-01-19 04:01:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-19 04:01:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2022-01-19 04:01:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 6727 transitions. [2022-01-19 04:01:17,763 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5925828047921071 [2022-01-19 04:01:17,763 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 6727 transitions. [2022-01-19 04:01:17,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 6727 transitions. [2022-01-19 04:01:17,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:01:17,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 6727 transitions. [2022-01-19 04:01:17,770 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) [2022-01-19 04:01:17,779 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) [2022-01-19 04:01:17,780 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) [2022-01-19 04:01:17,780 INFO L186 Difference]: Start difference. First operand has 302 places, 252 transitions, 1499 flow. Second operand 66 states and 6727 transitions. [2022-01-19 04:01:17,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 555 transitions, 3899 flow [2022-01-19 04:01:17,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 555 transitions, 3883 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-01-19 04:01:17,822 INFO L242 Difference]: Finished difference. Result has 384 places, 374 transitions, 2885 flow [2022-01-19 04:01:17,822 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} [2022-01-19 04:01:17,823 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 227 predicate places. [2022-01-19 04:01:17,823 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 374 transitions, 2885 flow [2022-01-19 04:01:17,824 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) [2022-01-19 04:01:17,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:01:17,824 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] [2022-01-19 04:01:17,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 04:01:18,041 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 [2022-01-19 04:01:18,041 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:01:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:01:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash 135273450, now seen corresponding path program 2 times [2022-01-19 04:01:18,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:01:18,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692986267] [2022-01-19 04:01:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:01:18,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:01:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:01:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:01:19,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:01:19,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692986267] [2022-01-19 04:01:19,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692986267] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:01:19,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297700031] [2022-01-19 04:01:19,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 04:01:19,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:01:19,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:01:19,015 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) [2022-01-19 04:01:19,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 04:01:19,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 04:01:19,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 04:01:19,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-19 04:01:19,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:01:19,213 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-19 04:01:19,213 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 [2022-01-19 04:01:19,223 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-19 04:01:19,223 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 [2022-01-19 04:01:19,973 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 [2022-01-19 04:01:20,059 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 [2022-01-19 04:01:20,682 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 [2022-01-19 04:01:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:01:20,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:01:21,629 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 [2022-01-19 04:01:21,653 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:01:21,654 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 [2022-01-19 04:01:21,660 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:01:21,665 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 [2022-01-19 04:01:21,668 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 [2022-01-19 04:01:22,687 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-19 04:01:22,687 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 [2022-01-19 04:01:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:01:22,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297700031] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 04:01:22,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 04:01:22,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 26] total 75 [2022-01-19 04:01:22,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414967949] [2022-01-19 04:01:22,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 04:01:22,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-01-19 04:01:22,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:01:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-01-19 04:01:22,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=5163, Unknown=1, NotChecked=144, Total=5550 [2022-01-19 04:01:22,701 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-19 04:01:22,705 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) [2022-01-19 04:01:22,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:01:22,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-19 04:01:22,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:02:02,489 INFO L129 PetriNetUnfolder]: 4776/19368 cut-off events. [2022-01-19 04:02:02,489 INFO L130 PetriNetUnfolder]: For 23905/23912 co-relation queries the response was YES. [2022-01-19 04:02:02,625 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. [2022-01-19 04:02:02,726 INFO L132 encePairwiseOnDemand]: 129/172 looper letters, 537 selfloop transitions, 509 changer transitions 20/1142 dead transitions. [2022-01-19 04:02:02,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1142 transitions, 9258 flow [2022-01-19 04:02:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-01-19 04:02:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2022-01-19 04:02:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 13950 transitions. [2022-01-19 04:02:02,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5133205769796879 [2022-01-19 04:02:02,855 INFO L72 ComplementDD]: Start complementDD. Operand 158 states and 13950 transitions. [2022-01-19 04:02:02,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 13950 transitions. [2022-01-19 04:02:02,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:02:02,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 158 states and 13950 transitions. [2022-01-19 04:02:02,875 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) [2022-01-19 04:02:02,939 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) [2022-01-19 04:02:02,945 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) [2022-01-19 04:02:02,945 INFO L186 Difference]: Start difference. First operand has 384 places, 374 transitions, 2885 flow. Second operand 158 states and 13950 transitions. [2022-01-19 04:02:02,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1142 transitions, 9258 flow [2022-01-19 04:02:03,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 1142 transitions, 8553 flow, removed 326 selfloop flow, removed 10 redundant places. [2022-01-19 04:02:03,114 INFO L242 Difference]: Finished difference. Result has 573 places, 719 transitions, 6413 flow [2022-01-19 04:02:03,114 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} [2022-01-19 04:02:03,115 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 416 predicate places. [2022-01-19 04:02:03,115 INFO L470 AbstractCegarLoop]: Abstraction has has 573 places, 719 transitions, 6413 flow [2022-01-19 04:02:03,116 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) [2022-01-19 04:02:03,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:02:03,116 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] [2022-01-19 04:02:03,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 04:02:03,331 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 [2022-01-19 04:02:03,332 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:02:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:02:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1440411600, now seen corresponding path program 3 times [2022-01-19 04:02:03,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:02:03,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050742415] [2022-01-19 04:02:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:02:03,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:02:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:02:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:02:03,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:02:03,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050742415] [2022-01-19 04:02:03,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050742415] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:02:03,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899113411] [2022-01-19 04:02:03,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 04:02:03,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:02:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:02:03,963 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) [2022-01-19 04:02:03,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 04:02:04,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-19 04:02:04,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 04:02:04,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-19 04:02:04,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:02:04,156 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-19 04:02:04,156 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 [2022-01-19 04:02:04,165 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-19 04:02:04,165 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 [2022-01-19 04:02:04,832 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 [2022-01-19 04:02:04,911 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 [2022-01-19 04:02:05,518 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 [2022-01-19 04:02:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:02:05,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:02:06,183 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 [2022-01-19 04:02:06,199 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:02:06,199 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 [2022-01-19 04:02:06,205 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:02:06,205 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 [2022-01-19 04:02:06,208 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 [2022-01-19 04:02:06,982 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-19 04:02:06,982 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 [2022-01-19 04:02:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-19 04:02:07,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899113411] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 04:02:07,000 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 04:02:07,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2022-01-19 04:02:07,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276778985] [2022-01-19 04:02:07,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 04:02:07,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-01-19 04:02:07,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:02:07,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-01-19 04:02:07,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=4705, Unknown=1, NotChecked=138, Total=5112 [2022-01-19 04:02:07,022 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 172 [2022-01-19 04:02:07,027 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) [2022-01-19 04:02:07,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:02:07,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 172 [2022-01-19 04:02:07,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:02:42,513 INFO L129 PetriNetUnfolder]: 8725/35833 cut-off events. [2022-01-19 04:02:42,514 INFO L130 PetriNetUnfolder]: For 189131/189149 co-relation queries the response was YES. [2022-01-19 04:02:43,202 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. [2022-01-19 04:02:43,460 INFO L132 encePairwiseOnDemand]: 131/172 looper letters, 686 selfloop transitions, 1175 changer transitions 5/1942 dead transitions. [2022-01-19 04:02:43,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 1942 transitions, 21893 flow [2022-01-19 04:02:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-01-19 04:02:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2022-01-19 04:02:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 11344 transitions. [2022-01-19 04:02:43,489 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5193188060794727 [2022-01-19 04:02:43,489 INFO L72 ComplementDD]: Start complementDD. Operand 127 states and 11344 transitions. [2022-01-19 04:02:43,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 11344 transitions. [2022-01-19 04:02:43,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:02:43,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 127 states and 11344 transitions. [2022-01-19 04:02:43,500 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) [2022-01-19 04:02:43,514 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) [2022-01-19 04:02:43,515 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) [2022-01-19 04:02:43,516 INFO L186 Difference]: Start difference. First operand has 573 places, 719 transitions, 6413 flow. Second operand 127 states and 11344 transitions. [2022-01-19 04:02:43,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 1942 transitions, 21893 flow [2022-01-19 04:02:44,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 1942 transitions, 21234 flow, removed 253 selfloop flow, removed 29 redundant places. [2022-01-19 04:02:44,334 INFO L242 Difference]: Finished difference. Result has 717 places, 1489 transitions, 17567 flow [2022-01-19 04:02:44,335 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} [2022-01-19 04:02:44,335 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 560 predicate places. [2022-01-19 04:02:44,335 INFO L470 AbstractCegarLoop]: Abstraction has has 717 places, 1489 transitions, 17567 flow [2022-01-19 04:02:44,336 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) [2022-01-19 04:02:44,336 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:02:44,336 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] [2022-01-19 04:02:44,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-19 04:02:44,551 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 [2022-01-19 04:02:44,551 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:02:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:02:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash -167689996, now seen corresponding path program 2 times [2022-01-19 04:02:44,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:02:44,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845335996] [2022-01-19 04:02:44,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:02:44,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:02:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:02:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-19 04:02:44,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:02:44,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845335996] [2022-01-19 04:02:44,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845335996] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:02:44,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664809402] [2022-01-19 04:02:44,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 04:02:44,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:02:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:02:44,610 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) [2022-01-19 04:02:44,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-19 04:02:44,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 04:02:44,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 04:02:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 04:02:44,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:02:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-19 04:02:45,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:02:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-19 04:02:45,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664809402] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 04:02:45,272 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 04:02:45,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-01-19 04:02:45,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316896950] [2022-01-19 04:02:45,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 04:02:45,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-19 04:02:45,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:02:45,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-19 04:02:45,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-01-19 04:02:45,275 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2022-01-19 04:02:45,276 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) [2022-01-19 04:02:45,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:02:45,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2022-01-19 04:02:45,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:02:52,609 INFO L129 PetriNetUnfolder]: 2200/19988 cut-off events. [2022-01-19 04:02:52,609 INFO L130 PetriNetUnfolder]: For 142902/143038 co-relation queries the response was YES. [2022-01-19 04:02:52,859 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. [2022-01-19 04:02:52,946 INFO L132 encePairwiseOnDemand]: 162/172 looper letters, 262 selfloop transitions, 513 changer transitions 2/1700 dead transitions. [2022-01-19 04:02:52,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 1700 transitions, 22223 flow [2022-01-19 04:02:52,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-19 04:02:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-01-19 04:02:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3258 transitions. [2022-01-19 04:02:52,963 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8609936575052854 [2022-01-19 04:02:52,963 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3258 transitions. [2022-01-19 04:02:52,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3258 transitions. [2022-01-19 04:02:52,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:02:52,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3258 transitions. [2022-01-19 04:02:52,967 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) [2022-01-19 04:02:52,970 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) [2022-01-19 04:02:52,971 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) [2022-01-19 04:02:52,971 INFO L186 Difference]: Start difference. First operand has 717 places, 1489 transitions, 17567 flow. Second operand 22 states and 3258 transitions. [2022-01-19 04:02:52,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 1700 transitions, 22223 flow [2022-01-19 04:02:54,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 727 places, 1700 transitions, 20978 flow, removed 278 selfloop flow, removed 9 redundant places. [2022-01-19 04:02:54,149 INFO L242 Difference]: Finished difference. Result has 732 places, 1559 transitions, 18967 flow [2022-01-19 04:02:54,149 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} [2022-01-19 04:02:54,150 INFO L334 CegarLoopForPetriNet]: 157 programPoint places, 575 predicate places. [2022-01-19 04:02:54,150 INFO L470 AbstractCegarLoop]: Abstraction has has 732 places, 1559 transitions, 18967 flow [2022-01-19 04:02:54,150 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) [2022-01-19 04:02:54,150 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:02:54,150 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] [2022-01-19 04:02:54,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-19 04:02:54,366 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 [2022-01-19 04:02:54,366 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-19 04:02:54,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:02:54,367 INFO L85 PathProgramCache]: Analyzing trace with hash -2053556871, now seen corresponding path program 1 times [2022-01-19 04:02:54,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:02:54,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844142626] [2022-01-19 04:02:54,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:02:54,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:02:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:02:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 4 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:02:55,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:02:55,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844142626] [2022-01-19 04:02:55,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844142626] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 04:02:55,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706493005] [2022-01-19 04:02:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:02:55,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 04:02:55,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:02:55,144 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) [2022-01-19 04:02:55,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-19 04:02:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:02:55,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 86 conjunts are in the unsatisfiable core [2022-01-19 04:02:55,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 04:02:56,052 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 [2022-01-19 04:02:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 04:02:56,977 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 [2022-01-19 04:02:58,551 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 [2022-01-19 04:02:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:02:58,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 04:03:48,244 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:03:48,245 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 [2022-01-19 04:03:48,250 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:03:48,250 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 [2022-01-19 04:03:48,259 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 [2022-01-19 04:03:48,276 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 04:03:48,276 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 [2022-01-19 04:03:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:03:49,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706493005] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 04:03:49,225 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 04:03:49,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 33] total 96 [2022-01-19 04:03:49,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738770] [2022-01-19 04:03:49,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 04:03:49,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-01-19 04:03:49,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:03:49,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-01-19 04:03:49,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=8280, Unknown=40, NotChecked=0, Total=9120 [2022-01-19 04:03:49,231 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 172 [2022-01-19 04:03:49,236 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) [2022-01-19 04:03:49,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:03:49,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 172 [2022-01-19 04:03:49,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:04:15,631 WARN L228 SmtUtils]: Spent 5.71s 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) [2022-01-19 04:04:46,496 WARN L228 SmtUtils]: Spent 5.73s 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) [2022-01-19 04:05:00,774 WARN L228 SmtUtils]: Spent 8.90s 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) [2022-01-19 04:05:16,723 WARN L228 SmtUtils]: Spent 14.73s 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) [2022-01-19 04:05:39,988 WARN L228 SmtUtils]: Spent 23.08s 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) [2022-01-19 04:05:57,361 WARN L228 SmtUtils]: Spent 16.97s 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) [2022-01-19 04:06:09,384 WARN L228 SmtUtils]: Spent 10.47s 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) [2022-01-19 04:07:02,160 WARN L228 SmtUtils]: Spent 46.94s 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) [2022-01-19 04:07:13,094 WARN L228 SmtUtils]: Spent 6.49s 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) [2022-01-19 04:07:39,364 WARN L228 SmtUtils]: Spent 5.50s 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) [2022-01-19 04:08:17,178 WARN L228 SmtUtils]: Spent 5.75s 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) [2022-01-19 04:08:18,657 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse13 (* c_~top~0 4)) (.cse12 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse14 (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 (<= .cse14 799)) (.cse6 (<= 0 .cse14)) (.cse5 (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|)) (.cse9 (* (- 1) |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|)) (.cse8 (* (- 1) |c_t1Thread1of1ForFork0_push_~stack#1.offset|)) (.cse0 (<= (+ c_~top~0 1) 0)) (.cse10 (select .cse12 |c_~#arr~0.offset|)) (.cse7 (<= .cse13 4)) (.cse2 (< .cse13 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 .cse5) (or .cse0 (<= (+ (div (+ .cse8 |c_~#arr~0.offset| (- 4)) (- 4)) 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 (div (+ .cse8 |c_~#arr~0.offset| (- 5)) (- 4)))) (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 ((.cse11 (select .cse12 0))) (and .cse7 (<= .cse11 799) (<= 0 .cse11))) .cse2) (= |c_~#arr~0.offset| |c_t2Thread1of1ForFork1_pop_#in~stack#1.offset|)))) is different from false [2022-01-19 04:08:58,956 WARN L228 SmtUtils]: Spent 10.95s 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) [2022-01-19 04:09:20,690 WARN L228 SmtUtils]: Spent 16.15s 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) [2022-01-19 04:10:11,502 WARN L228 SmtUtils]: Spent 38.70s on a formula simplification. DAG size of input: 100 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-19 04:10:45,687 WARN L228 SmtUtils]: Spent 6.18s 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) [2022-01-19 04:11:32,821 WARN L228 SmtUtils]: Spent 6.72s 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) [2022-01-19 04:11:58,060 WARN L228 SmtUtils]: Spent 11.42s 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) [2022-01-19 04:12:19,431 WARN L228 SmtUtils]: Spent 15.76s 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) [2022-01-19 04:12:40,962 WARN L228 SmtUtils]: Spent 20.97s 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) [2022-01-19 04:13:10,042 WARN L228 SmtUtils]: Spent 27.69s 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) [2022-01-19 04:13:33,737 WARN L228 SmtUtils]: Spent 18.00s 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) [2022-01-19 04:14:35,635 WARN L228 SmtUtils]: Spent 42.45s 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) [2022-01-19 04:15:01,370 WARN L228 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-01-19 04:15:20,724 WARN L244 SmtUtils]: Removed 30 from assertion stack [2022-01-19 04:15:20,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-01-19 04:15:20,725 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-19 04:15:20,725 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 [2022-01-19 04:15:20,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-19 04:15:20,766 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 [2022-01-19 04:15:20,925 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 [2022-01-19 04:15:20,925 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 140 for 2597ms.. [2022-01-19 04:15:20,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-01-19 04:15:20,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-01-19 04:15:20,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-19 04:15:20,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-19 04:15:20,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-19 04:15:20,929 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1] [2022-01-19 04:15:20,931 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 04:15:20,931 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 04:15:20,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 04:15:20 BasicIcfg [2022-01-19 04:15:20,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 04:15:20,933 INFO L158 Benchmark]: Toolchain (without parser) took 867275.06ms. Allocated memory was 337.6MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 279.8MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 337.6MB. Free memory is still 297.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.17ms. Allocated memory is still 337.6MB. Free memory was 279.5MB in the beginning and 289.3MB in the end (delta: -9.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.35ms. Allocated memory is still 337.6MB. Free memory was 289.3MB in the beginning and 287.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: Boogie Preprocessor took 16.27ms. Allocated memory is still 337.6MB. Free memory was 287.2MB in the beginning and 285.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: RCFGBuilder took 441.31ms. Allocated memory is still 337.6MB. Free memory was 285.1MB in the beginning and 268.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-19 04:15:20,933 INFO L158 Benchmark]: TraceAbstraction took 866166.29ms. Allocated memory was 337.6MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 268.3MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2022-01-19 04:15:20,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 337.6MB. Free memory is still 297.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 598.17ms. Allocated memory is still 337.6MB. Free memory was 279.5MB in the beginning and 289.3MB in the end (delta: -9.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.35ms. Allocated memory is still 337.6MB. Free memory was 289.3MB in the beginning and 287.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 16.27ms. Allocated memory is still 337.6MB. Free memory was 287.2MB in the beginning and 285.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 441.31ms. Allocated memory is still 337.6MB. Free memory was 285.1MB in the beginning and 268.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 866166.29ms. Allocated memory was 337.6MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 268.3MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 3.6GB. 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 140 for 2597ms.. - 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 140 for 2597ms.. - 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 140 for 2597ms.. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 140 for 2597ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances 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: 866.1s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 793.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12091 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12091 mSDsluCounter, 13439 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4192 IncrementalHoareTripleChecker+Unchecked, 17171 mSDsCounter, 898 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32708 IncrementalHoareTripleChecker+Invalid, 37798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 898 mSolverCounterUnsat, 638 mSDtfsCounter, 32708 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3041 GetRequests, 1965 SyntacticMatches, 48 SemanticMatches, 1027 ConstructedPredicates, 3 IntricatePredicates, 5 DeprecatedPredicates, 59705 ImplicationChecksByTransitivity, 778.3s 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 69.7s 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